Testosterone Replacement Therapy Online: Get Your T Optimized
Quick Answer
Testosterone replacement therapy (TRT) is a medically supervised protocol that restores testosterone to optimal levels in men with deficiency. At Marrow, TRT starts at $169/month and includes physician oversight and all required labs.
Testosterone is the primary male sex hormone, responsible for muscle mass, bone density, red blood cell production, fat distribution, libido, mood regulation, and cognitive function. When levels drop below optimal — a condition that affects an estimated 20-40% of men over 30 — the effects ripple through every system in your body. TRT restores testosterone to the range where your body functions at its best.
What is TRT?
Testosterone replacement therapy uses bioidentical testosterone cypionate — administered via weekly intramuscular or subcutaneous injections — to bring testosterone levels back into the optimal range (typically 600-900 ng/dL for men). Unlike anabolic steroid use, TRT is a medically supervised protocol with dosing calibrated to your specific bloodwork and symptoms, monitored through regular lab testing.
For men who want to preserve fertility or aren't ready for injectable TRT, enclomipheneis an oral alternative that stimulates your body's own testosterone production. It works by blocking estrogen receptors in the hypothalamus, triggering increased LH production, which signals your testes to produce more testosterone naturally.
Who needs TRT?
Low testosterone (“low T”) manifests differently in every man, but common symptoms include:
The standard medical reference range for testosterone (264-916 ng/dL) includes 80-year-olds and chronically ill men. “Normal” doesn't mean optimal. Many men with levels in the 300-500 range experience significant symptoms that resolve with optimization. Read more about what optimal testosterone looks like in our article: I Got My Testosterone Tested at 25.
TRT vs enclomiphene
| Feature | TRT (Testosterone Cypionate) | Enclomiphene |
|---|---|---|
| Administration | Weekly injection | Daily oral pill |
| Mechanism | Replaces testosterone | Stimulates natural production |
| Fertility impact | May suppress | Preserves/enhances |
| Potency | Stronger, more predictable | Moderate, natural |
| Marrow price | $169/mo (labs included) | $149/mo |
What to expect
Improved mood and mental clarity are typically the first noticeable changes.
Better sleep quality, increased energy, and improved libido.
Noticeable improvements in body composition, strength, and workout recovery.
Full optimization — cognitive performance, body composition, energy, and drive all at peak levels.
Labs included
Every Marrow TRT plan includes comprehensive bloodwork at baseline and regular intervals. We test total testosterone, free testosterone, SHBG, estradiol, LH, FSH, CBC, PSA (if indicated), and metabolic markers. Lab orders are sent to Quest Diagnostics locations nationwide — no separate lab fees, no surprises.
Pricing
TRT at Marrow: $169/month for testosterone cypionate with all labs included. Enclomiphene: $149/month. Both plans include physician oversight, all supplies, dosage adjustments, and free shipping. The average TRT clinic charges $300-400/month — Marrow saves you up to $2,172/year.
View full pricing details or explore all testosterone treatment options.
How to start
Complete your intake
A 5-minute questionnaire about your symptoms, health history, and goals.
Lab work
We send lab orders to your nearest Quest Diagnostics. Results come back within 3-5 days.
Physician consultation
Your physician reviews your labs, discusses options, and prescribes the appropriate protocol.
Medication ships
Your TRT kit ships from an FDA-registered pharmacy to your door.
Frequently asked questions
How do I know if I have low testosterone?
Common symptoms include persistent fatigue, brain fog, decreased libido, difficulty building muscle, increased body fat (especially around the midsection), poor sleep quality, irritability, and reduced motivation. The only definitive way to know is through bloodwork — which is included in every Marrow TRT plan.
What's the difference between TRT and enclomiphene?
TRT (testosterone cypionate injections) directly replaces testosterone from an external source. Enclomiphene is an oral medication that stimulates your body to produce more testosterone naturally by blocking estrogen feedback in the hypothalamus. TRT is more potent but suppresses natural production; enclomiphene preserves natural production and fertility.
Will TRT make me infertile?
Exogenous testosterone can suppress sperm production. If fertility is a priority, enclomiphene is typically recommended as a first-line option since it stimulates natural testosterone production without suppressing the HPT axis. Your Marrow physician will discuss fertility considerations during your consultation.
Are labs included in the price?
Yes. Your initial comprehensive blood panel and all follow-up labs are included in your monthly subscription. We test total testosterone, free testosterone, SHBG, estradiol, LH, FSH, CBC, and metabolic markers to ensure your levels are optimized safely.
Is TRT legal?
100% legal. TRT is a legitimate, FDA-recognized medical treatment prescribed by licensed physicians for clinically indicated testosterone deficiency. This is standard endocrine medicine practiced at every major medical center in the country.
How quickly will I notice a difference?
Most patients notice improved mood, mental clarity, and sleep quality within 2-4 weeks. Energy and libido improvements typically follow within 4-6 weeks. Full body composition and strength benefits develop over 2-3 months as testosterone levels stabilize in the optimal range.
What states is Marrow TRT available in?
Marrow partners with licensed physicians in all 50 states. During your intake, we'll confirm availability in your specific state and connect you with a physician licensed to practice there.
Get your testosterone optimized
TRT from $169/mo. Labs included. Physician review within 24 hours.
Start your intake →