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Someone on an internet forum asked about trying trenbolone enanthate — a strong anabolic steroid — because they’re already using testosterone and worry that tren could bring back bad acne they had as a teen. They mention their skin is currently good while using small doses of other things (like GHK-Cu, a topical peptide) and want to know other people’s experiences and typical weekly doses. Trenbolone enanthate (often called “tren”) is a synthetic steroid made to boost muscle growth and strength. It’s not a peptide and it’s not a prescription medicine for normal medical problems in most countries; it’s used in veterinary settings and by bodybuilders. It works differently from things like semaglutide or GLP-1 drugs — it alters hormones and the way your body builds and breaks down muscle and fat. Because it’s a potent androgen (male hormone-like), it can produce strong effects and strong side effects. Reports and discussions about tren’s effects mostly come from users on forums, bodybuilding communities, and small online polls — not from large, well-controlled medical studies in healthy humans. Those anecdotal reports consistently list acne as a common side effect, particularly in people who are prone to acne. The risk seems higher at higher doses and with longer use. Other commonly reported problems include increased aggression or mood changes, hair loss in people predisposed to male-pattern baldness, night sweats, high blood pressure, and negative impacts on cholesterol and liver or kidney markers. Because the evidence is anecdotal, you can’t predict with certainty whether your teenage-acne history means you’ll get a breakout, but many people with prior acne do report flare-ups. Why this matters to a regular person: if you care about your skin, mood, fertility, or long-term cardiovascular health, using powerful anabolic steroids like tren carries real risks. Acne is a visible, sometimes scarring side effect that can be distressing and hard to completely reverse. Beyond appearance, hormonal drugs can affect your natural testosterone production and other body systems, which may require medical follow-up. People considering these substances should weigh temporary muscle gains against potentially lasting harms. Caveats and risks: online “experience” reports are not a substitute for medical research or advice. Trenbolone is typically unregulated for human use; purity and dosing of black-market products are unreliable. If you have a history of severe acne, skin scarring, or family tendency to hair loss, your chances of problems are higher. Hormonal drugs can also interact with underlying health conditions and other medications. If you’re worried, the safest option is to avoid unregulated anabolic steroids and discuss concerns with a healthcare professional before starting any hormone-altering regimen. Bottom line: trenbolone commonly causes acne and other serious side effects, and people with past acne may be more likely to flare up — the risks often outweigh the benefit for non-medical use.
Source: r/Biohackers