Pregnenolone is synthesized in the body from cholesterol and is the precursor for all the steroid hormones, including progesterone, aldosterone, cortisol, dehydroepiandrosterone (DHEA), testosterone, and estrogens. The endogenous production of Pregnenolone begins to decline after age 35.
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Neprinol AFD (Advanced Fibrin Defence) - 90カプセル | Arthur Andrew Medical