Boldenone Undecylenate
Testosterone analog with enhanced erythropoiesis; moderate aromatization
Mechanism of Action
Boldenone is a testosterone analog with a 1,2-dehydro modification (double bond at C1-C2), which reduces androgenic activity while preserving anabolic effects. The undecylenate ester provides very slow release over 3-4 weeks. Boldenone aromatizes at approximately 50% the rate of testosterone, producing moderate estradiol. A unique feature is its significant stimulation of erythropoiesis via direct kidney erythropoietin release. Studied for lean mass gains, endurance enhancement (via increased RBC), and appetite stimulation in veterinary research.
Evidence Chain
Boldenone Undecylenate
COMPOUND
1 Research Goal
• Muscle & Tissue Growth
Evidence Strength
12 articles sourced
Knowledge Graph
(13 connections)Research Evidence
(12)Ligandrol (LGD-4033): Evidence-Based Research Review
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Enobosarm (Ostarine / MK-2866): Evidence-Based Research Review
**Class:** SARM (Selective Androgen Receptor Modulator)
Clomiphene Citrate: Evidence-Based Research Review
Clomiphene citrate (CC) is a non-steroidal triphenylethylene derivative classified as a Selective Estrogen Receptor Modulator (SERM). Originally developed for the induction of ovulation in women with anovulatory infertility, it has become a cornerstone of reproductive medicine. CC operates as a race
Oxandrolone: Evidence-Based Research Review
Oxandrolone (17β-hydroxy-17α-methyl-2-oxa-5α-androstan-3-one) is a synthetic oral anabolic-androgenic steroid (AAS) derived from dihydrotestosterone (DHT). Characterized by a unique substitution of an oxygen atom for the carbon at the C-2 position in the A-ring, oxandrolone exhibits a high anabolic-
Nandrolone Decanoate: Evidence-Based Research Review
Nandrolone decanoate (ND) is a long-acting injectable ester of the anabolic-androgenic steroid (AAS) nandrolone (19-nortestosterone). Characterized by a high anabolic-to-androgenic ratio, ND has been utilized clinically for decades to treat conditions involving protein catabolism, bone density loss,
Methenolone Enanthate: Evidence-Based Research Review
Methenolone enanthate is a long-acting injectable anabolic-androgenic steroid (AAS) derived from dihydrotestosterone (DHT). Characterized by a 1-methyl modification and a 2-oxo group, it exhibits a high anabolic-to-androgenic ratio and is notable for its inability to aromatize into estrogen. Origina
Stanozolol: Evidence-Based Research Review
Stanozolol is a synthetic anabolic-androgenic steroid (AAS) derived from dihydrotestosterone (DHT). Characterized by a high anabolic-to-androgenic ratio, it is clinically distinguished by its pyrazole ring modification and 17α-alkylation. Originally developed for the treatment of hereditary angioede
Testolone (RAD-140): Evidence-Based Research Review
Testolone (RAD-140) is a potent, non-steroidal selective androgen receptor modulator (SARM) originally developed by Radius Health, Inc. It was designed to overcome the limitations of conventional androgen therapy, such as prostate enlargement and virilization, by exhibiting high tissue selectivity.
Andarine (S-4): Evidence-Based Research Review
Andarine (also known as S-4 or GTx-007) is an early-generation, nonsteroidal selective androgen receptor modulator (SARM) belonging to the aryl propionamide class. Developed initially for the treatment of conditions such as muscle wasting and osteoporosis, Andarine demonstrates high affinity for the
Drostanolone Propionate: Evidence-Based Research Review
Drostanolone propionate (2α-methyl-5α-androstan-17β-ol-3-one propionate) is a synthetic anabolic-androgenic steroid (AAS) derived from dihydrotestosterone (DHT). Originally developed for the treatment of advanced breast cancer in postmenopausal women, it is characterized by its inability to aromatiz
Boldenone Undecylenate: Evidence-Based Research Review
Boldenone undecylenate, a synthetic derivative of testosterone originally developed for veterinary use, is a long-acting injectable anabolic-androgenic steroid (AAS). Characterized by a double bond between the C1 and C2 positions, the compound exhibits a favorable ratio of anabolic to androgenic act
Trenbolone Acetate: Evidence-Based Research Review
Trenbolone acetate (TBA) is a potent synthetic 19-nortestosterone derivative classified as an anabolic-androgenic steroid (AAS). Originally developed for veterinary applications—specifically to increase muscle mass and feed efficiency in beef cattle—TBA has become a focal point of pharmacological in
Related Compounds
Synergy & Compatibility
(5)Computational assessment of bio-regulatory compatibility with compounds sharing research goals. Scores reflect half-life alignment, receptor target overlap, and bioavailability data.
Highest Compatibility
Boldenone Undecylenate + Stanozolol
High Compatibility
Shared targets: androgen receptor (ar)
Shared targets: androgen receptor (ar)
Shared targets: androgen receptor (ar)
Shared targets: androgen receptor (ar)
Shared targets: androgen receptor (ar)
Computational assessment based on available pharmacology data. Does not account for individual variability, dose-dependent effects, or unstudied interactions. For research use only.
Community Observations
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