Powerful hormonal precursor Supports healthy brain function 50 mg per capsule Super-Strength Pregnenolone is our most powerful pregnenolone supplement to date. As a prohormone, pregnenolone contributes to an array of activities within the healthy human body. As a supplement, its primary use is in the support of healthy brain function. Pregnenolone is a neuroactive substance found highly concentrated within particular areas of healthy young brains. For this reason, supplemental Pregnenolone has been investigated for its potential to promote sleep quality and cognitive health.