Pregnenolone, 3-beta-hydroxy-5-pregnen-20-one, is a natural steroid hormone produced in the body from cholesterol. It has been described as the ""Grandmother of all Steroid Hormones,"" since all steroid hormones, over 150 of them, are derived from pregnenolone. Pregnenolone has been linked with positive support of the immune system, mood and memory. In the body, it is converted to DHEA and/or progesterone. It is likely that the body will convert pregnenolone appropriately, according to its needs.
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