Oils

DHB (1-Testosterone)

Name: DHB (1-Testosterone)
Brand: Quanta Pharmaceuticals

Dihydroboldenone, a potent non-aromatising DHT-class compound studied for lean mass and strength research.

DHB (1-Testosterone, Dihydroboldenone) is a DHT-class anabolic compound that cannot be further reduced by 5-alpha reductase and does not convert to oestrogen via aromatase, a combination that has drawn research interest in both bulking- and cutting-oriented protocols. It differs from testosterone by a single structural detail — a 1(2) double bond in the A-ring rather than testosterone's 4(5) double bond — which is enough to block aromatisation entirely. Published research (Friedel et al., 2006) measured 1-testosterone's anabolic:androgenic activity as comparable to, or exceeding, testosterone itself despite this structural change, with an anabolic:androgenic ratio often cited around 200:100 — roughly double testosterone's anabolic rating for a similar androgenic load. Each vial is supplied at 100mg/ml, with a half-life of roughly 7-10 days.

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Specifications

Dosage

100mg/ml

Half-Life

7-10 days

Administration

Injectable

Chemical Structure

C20H28O2

Research Benefits

High anabolic potency — Research cites an anabolic:androgenic ratio around 200:100, roughly double testosterone's anabolic rating for comparable androgenic load.
No aromatisation — The A-ring's 1(2) double bond blocks the aromatase enzyme entirely, avoiding water retention.
No further 5-alpha reduction — Already saturated at the relevant position, a structural feature studied for its distinct side-effect profile relative to other DHT derivatives.
Versatile application — Investigated in both bulking and cutting research contexts.

How It Works

DHB is the 5-alpha reduced (dihydro) form of Boldenone, structurally placing it in the same DHT family as compounds like Masteron and Primobolan. Because it is already fully reduced, it cannot be acted on further by 5-alpha reductase — a structural detail that distinguishes its research profile from DHT derivatives produced by in-vivo reduction of a parent compound. Its 1(2) double bond (versus testosterone's 4(5) double bond) is what prevents aromatase from acting on it at all.

Research measuring its potency directly against testosterone propionate found comparable-to-superior activity on androgen-sensitive tissue despite this structural change, with anabolic:androgenic ratios in the literature often cited around 200:100. Its 7-10 day half-life places it in a similar dosing bracket to Masteron Enanthate.

⚠ For Research Use Only

This product is supplied strictly for in-vitro laboratory and preclinical research use. It is not a drug, food, dietary supplement, or cosmetic, and is not intended for human or animal consumption, diagnosis, treatment, or prevention of any disease. DHB (1-Testosterone) must be handled only by qualified individuals trained in proper laboratory safety procedures.

By purchasing, the buyer confirms this product is being acquired for legitimate research purposes and assumes full responsibility for its handling, storage, and use in compliance with all applicable local, national, and international laws.