Pregnenolone (3β-hydroxypregn-5-en-20-one), also known as P5, is an endogenous hormone. It is the precursor of the progestogens, mineralocorticoids, glucocorticoids,androgens, and estrogens, as well as the neuroactive. In addition, pregnenolone is biologically active in its own right, acting as a neurosteroid.

Like other hormone, pregnenolone consists of four interconnected cyclic hydrocarbons. It contains ketone and hydroxyl functional groups, two methyl branches, and a double bond at C5, in the B cyclic hydrocarbon ring. Like many hormones, it is hydrophobic. Its esterified version, pregnenolone sulfate, is water-soluble.

Preg has very synergistic effects when taken melatonin, Appetite is significantly decreased and cravings for alcohol, caffeine, nicotine and even chocolate are usually decreased as well. The sense of well being is increased and the craving for the aforementioned substances decreased or eliminated. If you are taking these hormone supplements, consider SupplementSpot's Triple Hormone that combine preg,melatonin in one easy to take and economical tablet.

Pregnenolone is also available individually in 50 mg capsules, or as one of the three hormone in our Triple Hormone, where each tablet contains 25 mg of preg with 2 mg of melatonin.