Testosterone Cypionate
Also known as: Test Cyp · Test C · Depo-Testosterone · Cypionex · Testex · Testosterone Cyclopentylpropionate
Testosterone Cypionate (Test Cyp) is a long-acting injectable testosterone ester used in anabolic steroid cycles and testosterone replacement therapy. With an 8-day half-life, once or twice weekly injections maintain stable blood levels with minimal effort. All Test C products at U Store are sourced from Ultima Pharmaceuticals and other verified manufacturers, independently lab-tested, and shipped discreetly worldwide.
We found 10 products available for you.
SelfManaged_TRT
I've been on TRT for 3 years and switched to Ultima-Cyp about 6 months ago after my clinic prices got ridiculous. Bloodwork every 8 weeks, levels are consistently in the 900-1000 range at 160mg/wk. No pip, clear oil, zero issues. My doc doesn't know I switched and honestly why would I tell him when results are the same. At $43 a vial this is a no brainer for anyone managing their own TRT
BloodworkBro
Solid. Pinned twice a week at 500mg, bloods at week 6 showed 1240 ng/dL. Packaging was clean, no issues with customs. Will buy again.
FitnessFred_92
ok so i was skeptical about blends at first but my buddy convinced me to try this and im glad he did. been on it 8 weeks now and honestly the pumps are crazy good, strength went up on every lift. the only downside is i had to up my AI a little compared to straight cyp, probably because of the higher concentration hitting harder. overall tho 10/10 would recommend to anyone whos not a complete beginner
EfficiencyFirst
Five esters. One vial. One pin. I don't know who engineered this but thank you. Honestly the most convenient thing I've run. Strength gains came fast, probably from the prop and phenylprop front-loading themselves naturally. 14 week bulk, up 19lbs, kept 14 after PCT. That's a W in my book
OneStop
the concept of having anastrozole pre-mixed with test cyp is genuinely brilliant for TRT. one injection, no separate AI to remember. my E2 was sitting at 26 on bloodwork which is exactly where i want it. only issue is this thing is never in stock. been checking back for months. please restock pharmaqo
DetailOriented_Derek
Bought this because I wanted to run EQ but didn't want to manage 2 separate vials. The blend works but honestly if I'm being real next time I'll just buy them separate and control the ratio myself. The EQ to test ratio in this isn't quite where I'd want it personally. Quality of the oil itself is fine though, no complaints there.
HonestReview_Only
Used this on my 4th cycle. Liked the idea of the tri-blend but honestly couldnt tell much difference from running straight enanthate if im being honest with you guys. Maybe placebo but the first 2 weeks did feel like it kicked in faster. Gains were good, 16lbs over 14 weeks kept about 11. Quality seems legit, pip was minimal. Its OOS now anyway so
WaitingFor11
5 esters including acetate and prop means this hits almost immediately. Day 3 I felt different. By week 2 I was already up 5lbs. The blend keeps everything topped up constantly because of the varying release times. Absolute beast of a product. Come back in stock please
DailyPinnerMike
Lower mg/ml was exactly what I needed. Been injecting daily for a TRT protocol and at 200mg/ml the volume per injection is manageable without the pip that higher concentration vials give me. Unfortunatly out of stock now and I had to switch to something else. Please restock!!
repeat_customer
third order from pharmacom, same great quality as always. runs clean, no PIP, estro manageable at my dose. ngl the price went up a little since i first started ordering but still worth it
About Testosterone Cypionate
Testosterone Cypionate is a long-acting injectable form of testosterone created by attaching the Cypionate ester to the testosterone molecule. This ester slows absorption after injection, allowing the hormone to be released gradually into the bloodstream over approximately 7 to 10 days. Because of this extended half-life, most users maintain stable testosterone levels with just one or two injections per week instead of the frequent dosing required by shorter esters such as Propionate.
Mechanism of action
Once the ester is cleaved, free testosterone binds to androgen receptors in muscle tissue and other target organs, stimulating protein synthesis, nitrogen retention, and red blood cell production. These are the core drivers of muscle growth, strength, and recovery. Testosterone also acts on the central nervous system, improving training motivation and overall wellbeing.
Performance and TRT use
In a cycle, Test Cyp serves as the foundation, pairing well with Deca-Durabolin for mass, Anavar or Winstrol for recomposition, and Anastrozole for estrogen control. Medically, it is the leading testosterone prescribed in the United States for hypogonadism.
Aromatization and estrogen management
Testosterone Cypionate aromatizes to estradiol, so performance doses often require an aromatase inhibitor such as Anastrozole to control water retention, gynecomastia, and blood pressure. The standard approach is maintaining estradiol between 20 and 40 pg/mL with regular bloodwork.
Frequently Asked Questions
Testosterone Cypionate is used for two main purposes: performance enhancement and testosterone replacement therapy (TRT). In performance sports it serves as the foundational anabolic compound in most cycles, driving muscle growth, strength, and recovery. In a medical context it is the most widely prescribed testosterone in the US for treating hypogonadism and clinically low testosterone levels.
Due to its long half-life of approximately 8 days, Testosterone Cypionate can be injected once or twice per week. Once weekly injections are common for TRT, while performance users often split the weekly dose into two injections — for example Monday and Thursday — to maintain more stable blood levels and reduce fluctuation-related side effects.
The two esters are functionally very similar and largely interchangeable. Cypionate has a slightly longer half-life (8 days vs 7 days for Enanthate) and is the more commonly prescribed form in the United States, while Enanthate is more widely used in Europe. In practice the difference in results, injection frequency, and side effect profile is negligible.
It can, particularly at higher doses. Testosterone aromatizes to estradiol, and elevated estrogen is the primary cause of water retention on cycle. Managing estrogen with an aromatase inhibitor such as Anastrozole and monitoring bloodwork will significantly reduce this effect.
After a Testosterone Cypionate cycle, a standard PCT protocol typically includes a SERM such as Nolvadex (Tamoxifen) or Clomid (Clomiphene) for 4 to 6 weeks to stimulate recovery of the hypothalamic-pituitary-testicular axis. Some protocols also include HCG during the cycle to prevent testicular atrophy and support a faster recovery.
No. As an injectable compound, Testosterone Cypionate bypasses first-pass liver metabolism entirely. It does not carry the hepatotoxicity risk associated with oral anabolic steroids such as Dianabol or Anadrol.
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