Hydroxytest

What Hydroxytest Is

“Hydroxytest” (often sold as Hydroxytestosterone or 4-Hydroxytestosterone, also known as Formestane in some pharmaceutical contexts) is a synthetic derivative of testosterone. It’s basically a hydroxylated androgen. Chemically it’s a 4-hydroxytestosterone molecule.

• It’s a mild anabolic steroid with weak androgenic effects.

• It also acts as a suicide aromatase inhibitor (meaning it reduces conversion of androgens into estrogen).

• It’s sometimes marketed as a “dry” compound because it produces very little water retention.

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Benefits

• Lean gains: Mild anabolic properties may promote slight increases in lean mass.

• Anti-estrogenic effect: Because it blocks aromatase, it can reduce estrogenic side effects like gynecomastia and water retention.

• Hardening effect: Users report a “dryer” look while using it.

• Reduced SHBG: May increase free testosterone levels indirectly.

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Side Effects

• Suppression of natural testosterone production (though often less severe than stronger AAS).

• Androgenic issues: Acne, oily skin, hair loss in genetically predisposed men.

• Possible negative effect on cholesterol (HDL down, LDL up).

• Joint discomfort from lowered estrogen (dry joints).

• Mood/energy changes from altered hormone balance.

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Pros

• Mild anabolic with anti-estrogenic action in one.

• Low water retention / low estrogen conversion.

• Usually no progesterone-related issues.

Cons

• Much weaker anabolic effect than standard testosterone.

• Can still suppress HPTA.

• Estrogen too low = libido issues, dry joints.

• Limited data on long-term safety.

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Dosage And Frequency

Because it’s rarely used in legitimate medicine now, all dosing is anecdotal from bodybuilding circles:

• Oral form: 25–75 mg per day (split once or twice daily).

• Injectable form (if compounded): 100–200 mg per week, typically split in 2 shots.
  Cycles are usually 4–6 weeks due to its mildness but still suppressive nature.

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Half Life And Detection Time

• Oral half-life: ~8 hours (so twice-daily dosing common).

• Injectable esterified forms: ~2–3 days half-life depending on ester used.

• Detection time: WADA labs can still detect related metabolites; estimated several weeks after last dose for injectables and about a few days for oral, but no exact published number.

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Sterogenic Progestronic Prolactin Affects

• Estrogenic activity: Negligible (it’s actually anti-estrogenic).

• Progestogenic activity: Essentially none.

• Prolactin: No direct elevation; in fact prolactin-related gyno is unlikely.

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Anabolic Androgenic Ratio

Published animal data puts 4-Hydroxytestosterone roughly at:

• Anabolic rating ≈ 25 (testosterone =100)

• Androgenic rating ≈ 25 (testosterone =100)

So you can think of it as roughly 25:25 in ratio terms — much milder than testosterone itself.