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Dihydroboldenone (DHB), also known as 1-testosterone (this product: 1-TEST CYP), is a 5α (5-alpha) reduced form of the steroid boldenone. While the 5α-reductase enzyme typically converts testosterone to DHT in humans, this conversion doesn't occur efficiently with boldenone due to its extremely low binding affinity. As a result, direct acquisition of DHB is preferable if one seeks its benefits, as boldenone and DHB possess distinct side effect and benefit profiles. Our product is synthesized with a cypionate ester, offering a half-life similar to other cypionate ester compounds (~6 days).


Is structurally identical to methenolone, with the exception of 1-methylation of methenolone. Is structurally identical to testosterone, but features a double bond between C-1 and C-2 in its A-ring, which has instead moved between C-4 and C-5. Is structurally identical to boldenone, except for a stereospecific break of the double bond between C-1 and C-2 (Boldenone features double bonds between both C-1==C-2 and C-4==C-5).

While some female athletes may consider using 1-TEST-CYP, the potential for virilization symptoms remains, albeit less severe compared to synthetic testosterone or other harsher drugs. However, this does not imply that this is a mild drug. To simplify, 1-TEST-CYP is to Boldenone what Dihydrotestosterone (DHT) is to Testosterone, explaining why its effects, both positive and negative, differ significantly from those of boldenone. Dihydroboldenone, like dihydrotestosterone, does not convert to any other compounds beyond itself.

1-TEST-CYP, while not excessively androgenic, exhibits potent anabolic properties. It has been shown to bind exceptionally well and selectively to the androgen receptor, stimulating androgen receptor transactivation of dependent reporter genes. This translates to significant muscle growth without producing androgenic side effects. 1-TEST-CYP has demonstrated greater anabolic potency compared to compounds such as boldenone, nandrolone, and even testosterone itself, offering significant benefits to athletes and bodybuilders.

Anecdotally, some users have reported post-injection pain (PIP) with 1-TEST-CYP. Diluting the drug with another injectable compound or sterile oil has shown to alleviate some of this discomfort. However, the type of ester used does not appear to negate this pain for users who experience it. Proper injection technique, such as the "Z-Track injection" method, is essential to minimize PIP, especially for compounds that are not oil-based or have high concentrations. Insufficient injection depth or poor technique can lead to some of the injected compound escaping into the subcutaneous space, resulting in inflammation, irritation, and discomfort. We strongly recommend researching and applying proper injection techniques for the best experience.

This product is too concentrated to inject directly.



Packaging: Single vial with silicone stopper, containing 10ml of product.

Dihydroboldenone CypionateBP100mg
Benzyl BenzoateBP5%
Benzyl AlcoholBP2%

Dosage & administration:Half life6 daysAdult dose (male)100-400mg per injection E4D for 4 -10 weeks as requiredAverage Cycle Length300-1200mg per week over 4-10 weeks gives the best resultsAnabolic #200Androgenic #100IM BioavailabilityEstimated at 100%CAS Name17beta-hydroxyandrost-1-en-3-one, 5alpha-androst-1-en-3-one, 17beta-ol

DHB 100

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