Pregnenolone is a hormone or hormone-signaling compound.
Also known as pregnenolone
Current picks · Nov 14, 2026
Pregnenolone picks by exact product.
Up to three of the lowest effective prices per exact product among vendors that passed the trust floor, were in stock and checked within 72 hours, and have a COA on file for that product and strength tested within 12 months. Affiliate relationships never affect picks or their order.
No pick for Pregnenolone yet.
No offer meets every pick rule today. The exact-product comparisons below still list every recorded price.
Same format. Same amount.
Pregnenolone price comparisons.
0 of 0 exact products have at least one pick. Vendor counts reflect the current price observations.
No like-for-like comparison yet.
Vendor profiles and catalog information are still available below.
What it is
A plain-language overview.
Pregnenolone is a 20-oxo steroid that is pregn-5-ene substituted by a beta-hydroxy group at position 3 and an oxo group at position 20. It has a role as a mouse metabolite and a human metabolite. It is a 3beta-hydroxy-Delta(5)-steroid, a 20-oxo steroid and a C21-steroid. It derives from a hydride of a pregnane. The listed molecular formula is C21H32O2. PepGrades separately preserves the catalog category because a chemical identity record does not establish a use, outcome, or product quality.
Research evidencehuman research
This label describes the available research record, not whether the compound is safe or effective for an individual.
Research context
What has been studied.
5 registered studies were found under this name in the current review. Each study still needs to be checked for the exact compound identity, population, endpoints, and results.
Pregnenolone is commonly sold or discussed for hormone signaling, fertility, sexual health, or related endocrine research. That describes market demand, not proof that the compound is safe or effective.
Market demand and online discussion do not establish product quality, safety, or effectiveness.
Vendor directory
Pregnenolone across 1 vendors.
Grades describe the vendor record overall, not a test of every product. Lowest prices are effective single-package prices across formats; open a comparison for the exact product.
No vendor has a current Pregnenolone offer on record.
1 tracked vendor lists Pregnenolone without a current offer:Swiss Chems (Grade C).
Sources and review
Where this guide comes from.
Last editorial review: Aug 30, 2026. Sources support the compound guide only and do not affect vendor grades.