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TRT Weight Loss: Does TRT Help You Lose Weight and Belly Fat?

By TRT Provider Guide Editorial Team · Editorial research, not clinically reviewed · Last verified October 26, 2026

Last updated: .

Affiliate disclosure: TRT Provider Guide may earn compensation through certain provider links. Commercial relationships do not change our editorial conclusions. Full disclosure.

Short answer: TRT is not a weight-loss treatment. In men with properly diagnosed testosterone deficiency, testosterone therapy can reduce fat mass and preserve or add lean mass, but randomized evidence does not show a large extra drop on the scale. If excess weight is helping drive low testosterone, weight loss may belong first.123

That last part is the piece most TRT weight loss articles skip. It may also change what you should do first. Below, we'll show you the trials, the blood-test trap that can catch heavier men, and how to tell which problem you're actually trying to solve.

TRT Provider Guide is the independent decision resource for testosterone replacement therapy — helping U.S. adults understand how low testosterone is evaluated, compare online and local care models and providers, and choose the next step that fits their health needs, fertility plans, budget, state, and care preferences, with every material claim verified and dated.

Educational information, not medical advice. This page does not diagnose low testosterone or tell you whether TRT is appropriate for you. If you have chest pain, serious trouble breathing, or sudden painful swelling in one leg, call 911 or seek emergency care.

The 30-second version

TRT weight loss: scale weight, body fat, lean mass, care routes and monitoring table 1: The 30-second version
TRT may be part of the conversation if… TRT is the wrong first move if…
You have symptoms or signs that fit testosterone deficiency and appropriately repeated early-morning testing confirms consistently low testosterone Your main goal is a lower number on the scale
A clinician has evaluated why your testosterone is low and thinks replacement therapy is appropriate Your testosterone has never been tested — or was "low" only once
You already have confirmed testosterone deficiency and want realistic expectations about fat and lean mass while you work on weight separately Excess weight appears to be a reversible contributor to low testosterone and that cause has not been addressed
You are trying to conceive now or in the near term; exogenous testosterone can suppress sperm production

The right TRT provider is not the same for every person — it depends on whether low testosterone has been properly evaluated, your symptoms and health history, your fertility plans, your state, your insurance or cash-pay preference, your treatment-format preference, your budget, and whether online or in-person care is the better starting point. Some situations belong with primary care, urology, endocrinology, reproductive urology, or urgent or emergency care when the symptoms warrant it. Because a general answer cannot resolve those for you, use TRT Provider Guide's Find My TRT Path tool to map your situation to the right care route and the questions to ask before you pay.

Not sure which column you're in? Answer a few quick questions about your testing, goals, and fertility plans. You'll get an educational care-route guide and a short list of questions to bring to a clinician.

Map Whether Weight or Low T Comes First →

Free. Educational and non-diagnostic.

Does TRT help with weight loss?

TRT can change body composition, but that is not the same as causing weight loss. Across randomized trials, testosterone tends to reduce fat mass and increase lean mass more consistently than it changes total body weight, BMI, or waist size. European guidance specifically recommends against using TRT as an obesity treatment.14

Here's why the scale can hide the change.

Your body weight is a mix of fat, lean tissue, water, bone, and organs. If fat mass falls while lean mass rises or is preserved, the number on the scale may barely move.

Something can change without the bathroom scale showing a dramatic result. It just is not the thing most people are hoping for when they type "TRT weight loss."

So when an ad says "TRT helps you lose weight," that skips an important distinction. A more accurate version is: TRT can change what your weight is made of in some men who actually have testosterone deficiency. That is different from saying testosterone is a weight-loss drug.

What do the studies actually show?

The controlled evidence is much more convincing for a fat-to-lean-mass shift than for large scale-weight loss. The strongest individual weight-loss trial found almost no extra total weight loss with testosterone despite greater fat loss and better preservation of lean mass. Broader randomized evidence points in the same direction.34

We built the table below because no single source puts the major findings into the same decision-focused columns.

The Scale-vs-Fat Evidence Ledger

Last verified October 2026. kg = kilograms; 1 kg ≈ 2.2 lb.

TRT weight loss: scale weight, body fat, lean mass, care routes and monitoring table 2: The Scale-vs-Fat Evidence Ledger
Study What kind Who was in it Scale weight Body fat Lean mass / muscle What it means
Ng Tang Fui et al., BMC Medicine, 2016 56-week randomized, double-blind trial 100 men with obesity and repeatedly low or low-normal testosterone; all entered a structured hypocaloric program Both groups lost substantial weight; the adjusted between-group difference was only 0.5 kg and not statistically significant Testosterone group lost 2.9 kg more fat mass and more visceral fat Testosterone group ended with 3.4 kg more lean mass preserved than placebo Best illustration of why fat loss can improve without extra scale loss3
Ng Tang Fui et al., Clinical Endocrinology, 2017 Prespecified follow-up after treatment stopped 64 men from the same trial — The prior between-group fat-mass advantage was no longer evident at follow-up The prior lean-mass advantage was no longer evident The body-composition difference from this one trial did not persist after treatment stopped5
T4DM, Lancet Diabetes & Endocrinology, 2021 2-year randomized, double-blind trial 1,007 men aged 50–74 with large waist circumference, impaired glucose tolerance or newly diagnosed type 2 diabetes, and testosterone ≤14 nmol/L; all had access to a lifestyle program Lifestyle treatment was part of both groups Testosterone produced greater reduction in fat mass Testosterone increased skeletal muscle mass and grip strength Supports body-composition effects, but this was not a trial of TRT for diagnosed pathological hypogonadism6
Corona et al., European Journal of Endocrinology, 2016 Meta-analysis of 59 randomized trials About 5,000 men across mixed populations No significant overall reduction in body weight or BMI Significant reduction in fat mass Significant increase in lean mass Broad randomized evidence favors recomposition over scale loss4
Klisic et al., 2026 network meta-analysis Network meta-analysis of 23 randomized trials 1,899 men with obesity and functional hypogonadism No single treatment was consistently best across outcomes TRT improved some body-composition outcomes; confidence in many comparisons was low or very low TRT increased lean mass Newer evidence still does not turn TRT into a general weight-loss therapy7
Long-term registries Observational, no randomized placebo group Men who remained in long-term testosterone treatment cohorts Large long-term weight losses have been reported Often improved Not cleanly separable from other changes Useful for generating hypotheses, but they cannot tell us how much weight loss testosterone itself caused

How to read this table

The pattern is clear without overselling it. Testosterone can shift body composition toward less fat and more lean mass in selected men, yet total weight often changes little compared with placebo or lifestyle care alone.

The 56-week trial is the cleanest example. At study end, the testosterone group had lost 2.9 kg more fat mass and had 3.4 kg more lean mass than the placebo group, but the adjusted difference in total body-weight change was only 0.5 kg and not statistically significant.3

Two findings deserve a closer look:

  1. Testosterone changed where the lost weight came from. In this trial, men receiving placebo lost both fat and lean mass, while men receiving testosterone lost almost exclusively fat by the end of the study.3
  2. That trial's body-composition advantage was no longer evident after treatment stopped. The follow-up does not prove every body-composition benefit of TRT disappears after stopping; it shows that the between-group differences from this specific study were not sustained at the later follow-up.5

That second point gets less attention than it should.

Does testosterone help you lose belly fat?

TRT cannot selectively burn belly fat. In the 56-week diet trial, testosterone reduced visceral fat more than placebo, but the men were also in a structured weight-loss program and total scale loss was similar between groups. Evidence does not support promising that TRT will flatten a stomach or reliably remove abdominal fat.3

Two kinds of belly fat

  • Subcutaneous fat sits under the skin.
  • Visceral fat sits deeper around the abdominal organs.

In the 56-week trial, the testosterone group had a greater reduction in visceral fat area than the placebo group. That is a real body-composition finding. It is not evidence that testosterone spot-reduces belly fat or works as an anti-obesity drug.3

Why low testosterone and belly fat show up together

It's a two-way street.

Higher adiposity is strongly associated with lower circulating testosterone. A 2026 analysis of 4,984 U.S. men found that measures of total and visceral adiposity explained far more variation in testosterone than chronological age did.8

There is also a hormone twist. Testosterone can be converted to estradiol. In a controlled 2013 experiment that manipulated testosterone and estradiol in healthy men, androgen deficiency accounted mainly for losses in lean mass and strength, while estrogen deficiency accounted mainly for increases in body fat.9

So the biology is more complicated than:

more testosterone = less belly fat

Why "testosterone melts belly fat" is the wrong claim

TRT is not a spot-reduction treatment, and guidelines recommend against using it simply to reduce weight in men with obesity.1

Is your weight making your testosterone look low?

It can. Obesity can lower sex hormone-binding globulin (SHBG), which can make total testosterone lower even when the biological picture is more complicated. That is one reason guidelines call for accurate, repeated early-morning testing and use free testosterone when it is clinically indicated rather than diagnosing from one total-testosterone result.210

Total vs. free testosterone

Think of the tests as measuring different parts of the same system:

  • Total testosterone measures testosterone circulating in the blood across bound and unbound forms.
  • SHBG is one of the main proteins that binds testosterone.
  • Free testosterone is the small unbound fraction.

When SHBG is unusually low or high, total testosterone can be harder to interpret by itself.

The Society for Endocrinology notes that men with obesity may have slightly low total testosterone together with very low SHBG, while overall androgen exposure may still be preserved. That does not mean a low result in an obese man is automatically harmless or "fake." It means the result needs proper clinical interpretation.10

What current guidance says about confirming low T

  • Endocrine Society: diagnose hypogonadism only when compatible symptoms or signs occur with unequivocally and consistently low testosterone, then confirm with a repeat morning fasting total-testosterone measurement. Free testosterone is used when indicated.2
  • Endocrine Society, July 2026 statement: symptoms alone are not diagnostic; reversible contributors such as obesity and some medications should be considered. The Society says diagnosis should be based on at least two early-morning fasting testosterone tests and accurate measurement.11
  • American Urological Association: uses total testosterone below 300 ng/dL as a reasonable diagnostic cut-off, but diagnosis also requires symptoms/signs and two separate early-morning measurements. A threshold is not a diagnosis by itself.12
  • European Academy of Andrology: functional hypogonadism should be based on symptoms plus repeatedly low morning fasting testosterone after organic causes are excluded; lifestyle change and weight reduction are first-line in overweight and obese men with functional hypogonadism.1

No single number diagnoses low testosterone. We cannot tell you what your own result means; a clinician who can review your symptoms, repeat testing, medications, fertility plans, and medical history can.

Questions worth asking before anyone prescribes anything:

  • Was my testosterone measured early in the morning?
  • Was the low result repeated on a different day?
  • Is free testosterone or SHBG relevant in my case?
  • Could my weight, sleep apnea, medication use, or another health problem be contributing?
  • If the result is truly low, what is the likely cause?

Can losing weight raise your testosterone?

Yes, weight loss can raise testosterone in men with obesity, and the amount of weight lost matters. A meta-analysis of 24 studies found that both low-calorie diets and bariatric surgery were associated with higher total testosterone, with larger increases after the larger weight losses produced by surgery.13

This is the half of the story clinic ads often leave out.

The reverse arrow: weight loss → testosterone

TRT weight loss: scale weight, body fat, lean mass, care routes and monitoring table 3: The reverse arrow: weight loss → testosterone
What men did Average total-testosterone change Source
Low-calorie diet +2.87 nmol/L (≈ +83 ng/dL) Corona et al., European Journal of Endocrinology, 201313
Bariatric surgery +8.73 nmol/L (≈ +252 ng/dL) Same meta-analysis13
What predicted the rise How much weight was lost Same meta-analysis13
Men with obesity, type 2 diabetes and suspected functional hypogonadism who lost >10% of body weight 94% had total testosterone ≥300 ng/dL at follow-up Retrospective study of 71 men; this is not a randomized trial14

The Endocrine Society's July 2026 statement says that when appropriately diagnosed low testosterone appears related to overweight or obesity and no other cause is found, weight loss is typically first-line therapy.11 European guidance likewise recommends weight reduction first in overweight and obese men with functional hypogonadism and recommends against TRT as a treatment for weight reduction.1

None of this means every low testosterone result is "just your weight." Disease of the testes, pituitary, or hypothalamus and other causes require a different evaluation. The point is simpler: weight can be part of the cause, so it belongs in the diagnosis before you commit to treatment.

The honest catch

TRT does not reliably move the scale much. If dropping pounds is your main goal, weight-focused care is the more direct path. If obesity medication is part of what you are considering, start with our TRT and GLP-1 guide.

But TRT can affect the part the scale does not show. In men who actually have testosterone deficiency and an appropriate treatment indication, preserving lean mass while reducing fat can matter even when total body weight barely changes.

Should you lose weight before starting TRT?

If excess weight appears to be a reversible contributor to low testosterone and no other cause has been found, weight loss often belongs first. If a clinician confirms hypogonadism from a testicular, pituitary, hypothalamic, or other established cause, the decision can be different. That is why the cause matters more than one low number.11

Find your row:

Which lever moves your problem?

TRT weight loss: scale weight, body fat, lean mass, care routes and monitoring table 4: Which lever moves your problem?
Your situation What you most want Better first move Why
Symptoms/signs + properly repeated low testosterone Understand whether TRT is appropriate Ask a clinician to evaluate the cause and discuss treatment options Diagnosis comes before treatment
Never tested, or one low/borderline result Lose weight or explain symptoms Get a proper evaluation rather than assuming TRT is the answer One result does not establish hypogonadism
Excess weight + possible obesity-related low T Lose weight Weight-focused care, with repeat hormone evaluation as clinically appropriate Weight loss can raise testosterone in some men
Confirmed hypogonadism + significant excess weight Improve both Treat the two problems as separate goals with appropriate clinicians TRT is not an obesity treatment
Normal testosterone Lose fat Weight-focused care, not TRT for fat loss Weight loss alone is not an indication for testosterone
Trying to conceive now or soon Protect fertility while addressing symptoms Urology, reproductive urology, endocrinology, or another fertility-aware clinician Exogenous testosterone can suppress spermatogenesis
Already on TRT and the scale is stuck Lose weight Review weight-focused care rather than assuming the testosterone dose is the problem TRT is not the main lever for scale weight

Seeing yourself in two rows at once is normal. Lots of men are both carrying extra weight and unsure whether their testosterone has been properly evaluated.

Does that sound like your situation? Map it before you spend money on the wrong fix. TRT Provider Guide's Find My TRT Path tool sorts out whether weight care, proper testing, or a TRT conversation comes first and gives you questions to bring to a clinician.

Map Whether Weight or Low T Comes First →

How much weight can you lose on TRT, and how fast?

There is no evidence-based number of pounds you should expect to lose from TRT itself. In the best-known 56-week diet trial, testosterone produced more fat loss and better preservation of lean mass than placebo, but only a 0.5 kg adjusted difference in total weight change—and that difference was not statistically significant.3

What realistic looks like

The controlled evidence supports this pattern:

  • Scale weight: little or no reliable extra loss from testosterone itself
  • Body fat: may decrease in appropriately selected men
  • Lean mass: tends to increase or be better preserved
  • Waist or visceral fat: may improve in some studies, but not reliably enough to promise a specific number of inches

Do not turn research averages into a personal forecast.

How long it takes

The body-composition trials that inform this page generally measured changes over months, not days or a few weeks. The 56-week trial and the 2-year T4DM trial are examples.36

There is no guideline-backed countdown for when you should lose belly fat on TRT, because belly-fat loss is not the treatment indication.

What to track instead of the scale

TRT weight loss: scale weight, body fat, lean mass, care routes and monitoring table 5: What to track instead of the scale
What you're wondering A better measure
Am I losing overall weight? A consistent weight trend, not one day's reading
Is my waist changing? Waist measurement taken the same way over time
Is body composition changing? A repeatable body-composition method when clinically useful
Am I maintaining function? A consistent function or strength measure appropriate for you
Is TRT treating what it was prescribed for? Symptoms/signs plus clinician-directed laboratory monitoring
Is treatment staying safe? Clinician-directed monitoring, which may include hematocrit and blood pressure

Why am I gaining weight on TRT?

TRT can change lean mass and fluid balance, so a higher scale number does not automatically mean added body fat. Testosterone labeling also warns about edema, and unexplained rapid weight gain or swelling deserves medical attention rather than a do-it-yourself dose change.15

Here are the main possibilities to discuss with your clinician:

  • Lean mass. Some randomized trials show increased or better-preserved lean mass with testosterone.
  • Fluid retention. Testosterone product labeling warns about edema, especially in people with certain heart, kidney, or liver conditions.15
  • Food intake and activity. A calorie surplus can still add body fat regardless of testosterone treatment.
  • Other causes. Sleep, alcohol, other medicines, medical conditions, and ordinary weight fluctuation can all affect the scale.

Do not assume new weight is muscle, water, or fat without evidence.

Contact your clinician if you have rapid unexplained weight gain, new swelling, or shortness of breath. Call 911 or seek emergency care for chest pain, serious trouble breathing, or sudden painful swelling in one leg.

For more, see our TRT side effects guide.

Can you take TRT with a GLP-1 weight-loss drug?

A person can have separate medical reasons for testosterone therapy and for an FDA-approved obesity medication, but one does not create an indication for the other. The major TRT body-composition trials on this page did not test semaglutide or tirzepatide, so they cannot prove that adding TRT to a GLP-1 drug protects muscle or increases weight loss.

Keep the two questions separate:

  • TRT: Is testosterone deficiency properly diagnosed, what is causing it, and is replacement therapy appropriate?
  • Weight treatment: Does the person meet the indication for a specific obesity treatment, and what are its benefits, risks, costs, and contraindications?

Some telehealth programs also market compounded GLP-1 products. Compounded drugs are not FDA-approved, and FDA does not review them for safety, effectiveness, or quality before marketing the way it does approved drugs.16

We cover the overlap in more detail in our TRT and GLP-1 guide →.

Is TRT safe if you're carrying extra weight?

Weight does not make TRT automatically safe or unsafe; the treatment decision depends on the diagnosis, health history, and monitoring. In TRAVERSE, testosterone did not increase the primary rate of major cardiovascular events compared with placebo in the studied population, but several adverse events were more common, and FDA now requires class-wide blood-pressure warnings.1718

What the large trials showed

  • TRAVERSE (5,246 men, New England Journal of Medicine, 2023): Testosterone was noninferior to placebo for the primary composite of cardiovascular death, nonfatal myocardial infarction, or nonfatal stroke. Atrial fibrillation, acute kidney injury, and pulmonary embolism occurred more often in the testosterone group.17
  • T4DM (1,007 men): A protocol safety trigger for hematocrit above 54% occurred in 22% of testosterone-treated participants versus 1% of placebo participants.6 T4DM used testosterone undecanoate in a specific study population and is not a prediction of an individual patient's risk.

What changed on testosterone labels

In February 2025, FDA recommended removing the old boxed-warning language about increased cardiovascular risk after review of TRAVERSE. At the same time, FDA required warnings about increased blood pressure across testosterone products after ambulatory blood-pressure studies confirmed a class-wide increase.18

In June 2026, FDA requested additional testosterone-label updates, including removal of the prior limitation-of-use language stating that safety and efficacy in age-related hypogonadism had not been established. That change does not turn testosterone into an approved weight-loss treatment.19

Four things to know before treatment

  1. Fertility comes first. Exogenous testosterone can suppress sperm production. Major guidelines recommend against starting testosterone in men planning fertility in the near term, and fertility goals should be discussed before treatment.212
  2. Testosterone is a Schedule III controlled substance. Current FDA labeling for testosterone cypionate lists it as CIII, and it requires a valid prescription.15
  3. Federal telemedicine flexibility is temporary. DEA and HHS extended the COVID-era telemedicine flexibilities for prescribing controlled medications through December 31, 2026. The federal extension does not erase state-law, licensing, prescribing, or provider-specific requirements.20
  4. TRT is not FDA-approved as a weight-loss treatment. If the goal is simply to lose weight, use a weight-management care route rather than treating testosterone as an anti-obesity drug.119

More on risk: TRT and heart health · TRT and sleep apnea · Who should not take TRT

Already have confirmed low T and want online care?

If your testosterone deficiency has already been properly evaluated, provider comparison becomes a separate decision from weight loss. Compare the testing process, exact medication and FDA/compounded status, clinician access, state availability, monitoring, fertility handling, complete cost, pharmacy transparency, and cancellation terms—not whether a program promises better fat loss.

Start with our current online TRT provider comparison and How We Review TRT Providers.

If low testosterone has not been confirmed, use Find My TRT Path or start with a clinician who can evaluate the cause before you shop for a program.

What to bring to your visit

The best appointment starts with the right questions. Whether you see primary care, a urologist, an endocrinologist, or an online clinician, these questions help separate the weight problem from the testosterone problem—and define what each treatment is supposed to fix.

About your testing

  1. Were my testosterone tests done early in the morning on separate days?
  2. Is free testosterone or SHBG relevant in my case?
  3. Could my weight, sleep apnea, medications, or another condition be contributing?
  4. If testosterone is consistently low, what is the likely cause?

About your goals

  1. If my main goal is weight loss, what is the separate plan for that?
  2. If TRT is appropriate, which symptoms or clinical outcomes are we treating?
  3. How will we judge whether treatment is helping without using scale weight as the only measure?

About safety and cost

  1. I may want children. How does that change the plan?
  2. What monitoring will I need, including blood pressure and hematocrit?
  3. What exact testosterone product would I receive—is it an FDA-approved product or a compounded preparation?
  4. What will my first year cost, including visits, medication, labs, shipping, and required membership fees?

FAQ

Does TRT help you lose belly fat?

TRT cannot target belly fat. One randomized diet trial found greater visceral-fat loss with testosterone than placebo, but both groups were also in a structured weight-loss program and total weight loss was similar. That does not make TRT a belly-fat treatment.3

How much weight can you lose on TRT?

There is no reliable number of pounds to expect from TRT itself. Randomized evidence shows clearer effects on fat and lean mass than on total scale weight.34

How long does it take to see body-composition changes on TRT?

Think in months rather than days, but there is no evidence-based countdown for personal fat loss. Major body-composition trials measured outcomes over roughly a year or longer, and response varies by population and treatment.36

Why am I gaining weight on TRT?

A higher number can reflect several things, including lean-mass change, fluid retention, food intake, activity, or another medical cause. Rapid unexplained gain, swelling, or shortness of breath should be discussed with your clinician.15

Does low testosterone cause weight gain?

Low testosterone and higher body fat are linked, but the relationship can run both ways. Obesity can also lower testosterone, so one low result does not prove testosterone caused the weight gain.811

Can losing weight increase testosterone?

Yes. A meta-analysis found that weight loss through diet or bariatric surgery was associated with higher testosterone, and larger weight loss predicted larger increases.13

Will TRT speed up my metabolism?

Not in a way that supports promising meaningful scale-weight loss. Controlled evidence is stronger for changes in fat and lean mass than for overall weight reduction.14

Is TRT approved for weight loss?

No. Testosterone is not FDA-approved as an anti-obesity or weight-loss treatment, and European guidance recommends against using TRT for weight reduction in men with obesity.119

Can I get TRT just to lose weight?

Weight loss alone is not a sound reason to use TRT. Testosterone deficiency should be properly evaluated with compatible symptoms or signs and consistently low, appropriately repeated testosterone measurements before treatment is considered.21112

Can I take TRT and semaglutide or tirzepatide together?

Some people may separately meet clinical indications for both testosterone therapy and an obesity medication. The decision requires individualized medical review; existing TRT body-composition trials do not prove that adding TRT to semaglutide or tirzepatide improves weight loss.

Do testosterone boosters help with weight loss?

Over-the-counter "testosterone boosters" are supplements, not testosterone replacement therapy. This page does not treat them as TRT, and evidence from prescription testosterone trials cannot be applied to those products.

Does TRT help women lose weight?

This page covers adult men being evaluated for testosterone deficiency. Testosterone use in women follows different indications, evidence, dosing, and safety standards and should not be inferred from this article.

How we built this page

Who: TRT Provider Guide Editorial Team. This page is editorial research. It has not been reviewed by a clinician.

How: We reviewed randomized trials, systematic reviews, current endocrine and urology guidance, FDA information, current federal telemedicine rules, and current testosterone labeling. We pulled the major body-composition evidence into one table using the same decision fields: scale weight, fat, lean mass, and what each study can actually prove. We follow our published method, How We Review TRT Providers, which separates verified facts, provider-stated claims, customer-experience signals, and editorial conclusions.

Why: Most TRT weight loss content blurs "lost weight" with "lost fat." We wanted one page that shows what the controlled evidence supports, what it does not, and how to choose the right next step before paying for testosterone care.

Our conclusion: TRT can be an appropriate treatment for properly diagnosed testosterone deficiency. It is not a weight-loss drug. For some men whose low testosterone is tied to excess weight, treating the weight problem belongs first and may raise testosterone without TRT.

Sources

Still not sure which TRT care route fits you? Use our free Find My TRT Path tool.

Find My TRT Path →

Footnotes

  1. Corona G, et al. European Academy of Andrology guidelines on investigation, treatment and monitoring of functional hypogonadism in males. Andrology. 2020;8(5):970–987. https://doi.org/10.1111/andr.12770 ↩ ↩2 ↩3 ↩4 ↩5 ↩6 ↩7 ↩8

  2. Bhasin S, et al. Testosterone Therapy in Men With Hypogonadism: An Endocrine Society Clinical Practice Guideline. J Clin Endocrinol Metab. 2018. Guideline resource: https://www.endocrine.org/clinical-practice-guidelines/testosterone-therapy ↩ ↩2 ↩3 ↩4 ↩5

  3. Ng Tang Fui M, et al. Effects of testosterone treatment on body fat and lean mass in obese men on a hypocaloric diet: a randomised controlled trial. BMC Medicine. 2016;14:153. https://doi.org/10.1186/s12916-016-0700-9 ↩ ↩2 ↩3 ↩4 ↩5 ↩6 ↩7 ↩8 ↩9 ↩10 ↩11 ↩12

  4. Corona G, et al. Testosterone supplementation and body composition: results from a meta-analysis study. European Journal of Endocrinology. 2016;174(3):R99–R116. https://doi.org/10.1530/EJE-15-0262 ↩ ↩2 ↩3 ↩4 ↩5

  5. Ng Tang Fui M, et al. The effects of testosterone on body composition in obese men are not sustained after cessation of testosterone treatment. Clinical Endocrinology. 2017. https://pubmed.ncbi.nlm.nih.gov/28561278/ ↩ ↩2

  6. Wittert G, et al. Testosterone treatment to prevent or revert type 2 diabetes in men enrolled in a lifestyle programme (T4DM). Lancet Diabetes & Endocrinology. 2021;9:32–45. https://pubmed.ncbi.nlm.nih.gov/33338415/ ↩ ↩2 ↩3 ↩4

  7. Treatment strategies for functional hypogonadism in obese men: a systematic review and network meta-analysis. 2026. https://pubmed.ncbi.nlm.nih.gov/42704281/ ↩

  8. Adiposity, not chronological aging, is the dominant determinant of circulating testosterone in US adult men. Journal of the Endocrine Society. 2026. https://pubmed.ncbi.nlm.nih.gov/42661852/ ↩ ↩2

  9. Finkelstein JS, et al. Gonadal steroids and body composition, strength, and sexual function in men. New England Journal of Medicine. 2013;369:1011–1022. https://doi.org/10.1056/NEJMoa1206168 ↩

  10. Society for Endocrinology. Male hypogonadism and testosterone replacement. The Endocrinologist. Spring 2022. https://www.endocrinology.org/endocrinologist/143-spring-22/features/male-hypogonadism-and-testosterone-replacement/ ↩ ↩2

  11. Endocrine Society. Statement on Testosterone Replacement Therapy. July 16, 2026. https://www.endocrine.org/news-and-advocacy/news-room/2026/statement-on-testosterone-replacement-therapy ↩ ↩2 ↩3 ↩4 ↩5

  12. American Urological Association. Evaluation and Management of Testosterone Deficiency Guideline. https://www.auanet.org/guidelines-and-quality/guidelines/testosterone-deficiency-guideline ↩ ↩2 ↩3

  13. Corona G, et al. Body weight loss reverts obesity-associated hypogonadotropic hypogonadism: a systematic review and meta-analysis. European Journal of Endocrinology. 2013;168(6):829–843. https://pubmed.ncbi.nlm.nih.gov/23482592/ ↩ ↩2 ↩3 ↩4 ↩5

  14. Giagulli VA, et al. Weight loss more than glycemic control may improve testosterone in obese type 2 diabetes mellitus men with hypogonadism. Andrology. 2020. https://pubmed.ncbi.nlm.nih.gov/31919991/ ↩

  15. DailyMed. Testosterone Cypionate Injection, USP. Current label; DEA Schedule CIII. https://dailymed.nlm.nih.gov/dailymed/lookup.cfm?setid=7df45a8d-7d6b-4776-85e3-529527574a4f ↩ ↩2 ↩3 ↩4

  16. U.S. Food and Drug Administration. Compounding and the FDA: Questions and Answers. https://www.fda.gov/drugs/human-drug-compounding/compounding-and-fda-questions-and-answers ↩

  17. Lincoff AM, et al. Cardiovascular Safety of Testosterone-Replacement Therapy. New England Journal of Medicine. 2023;389:107–117. https://doi.org/10.1056/NEJMoa2215025 ↩ ↩2

  18. U.S. Food and Drug Administration. FDA issues class-wide labeling changes for testosterone products. February 28, 2025. https://www.fda.gov/drugs/drug-alerts-and-statements/fda-issues-class-wide-labeling-changes-testosterone-products ↩ ↩2

  19. U.S. Food and Drug Administration. Testosterone Information. Updated 2026. https://www.fda.gov/drugs/postmarket-drug-safety-information-patients-and-providers/testosterone-information ↩ ↩2 ↩3

  20. Drug Enforcement Administration and Department of Health and Human Services. Fourth Temporary Extension of COVID-19 Telemedicine Flexibilities for Prescription of Controlled Medications. 90 FR 61301. Effective January 1 through December 31, 2026. https://www.govinfo.gov/content/pkg/FR-2025-12-31/html/2025-24123.htm ↩

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