Independent reference & toolkit 100 compounds graded · Last reviewed June 2026

Compare · Anabolic steroid

Methenolone vs Nandrolone

Both are anabolic steroid compounds. Here's how they line up on the evidence — graded the same way.

MethenoloneNandrolone
Evidence 8/10 8/10
ClassAnabolic steroidAnabolic steroid
SummaryA DHT-derived anabolic-androgenic steroid once used medically for bone-marrow-failure anemias and historically studied in breast cancer; its 'mild and safe' bodybuilding reputation rests on lore, not controlled performance trials.Nandrolone is an injectable anabolic-androgenic steroid (not a peptide) with high-quality trial evidence that it builds lean mass in catabolic illness, but weaker evidence for strength or functional gains and real androgenic, hormonal, and cardiovascular risks.
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Methenolone

Methenolone (sold under the brand name Primobolan) is a lab-made anabolic-androgenic steroid built from dihydrotestosterone, or DHT (a strong natural male hormone). It is an androgen — a male-type hormone — not a peptide. Its genuine medical track record is small: a handful of old, modest studies…

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Nandrolone

Nandrolone, best known by the brand name Deca-Durabolin, is a man-made anabolic-androgenic steroid (AAS — a drug that builds muscle and acts like testosterone). Chemically it's 19-nortestosterone, a close cousin of testosterone. It is not a peptide and not a SARM. There's real, solid human research…

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