Vitacost Ratings and Reviews

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Iron(550)
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Magnesium(1,824)
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Vitamin A(143)
Vitamin B(4,698)
Vitamin C(2,773)
Vitamin D(2,520)
Vitamin E(503)
Vitamin K(281)
Zinc(371)
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Product Reviews

California Natural L-Tryptophan -- 500 mg - 30 Capsules

Healthy Sleep Patterns. USP Pharmaceutical Grade. L-Tryptophan is an essential amino acid a component of many plant and animal proteins. Essential amino acids are not synthesized by the body and must be obtained in the diet. It is a precursor from which our brains make serotonin which is then used to calm you down and make you sleepy. L-tryptophan in substantial quantities is a natural sedative. Tryptophan also helps in niacin (B vitamins) production. The L-tryptophan in this product is manufactured and tested for purity according to United States Pharmacopeia (USP) standards.
Customer reviews for California Natural L-Tryptophan -- 500 mg - 30 Capsules
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