California natural l-tryptophan description: 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. Disclaimer these statements have not been evaluated by the fda. These products are not intended to diagnose, treat, cure, or prevent any disease.
country of origin : united states
size : 30 cap
pack of : 1
selling unit : each
We ship to all 48 continental US states plus D.C. using UPS Ground.
Most orders are shipped within 1-4 business days and will take an additional 1-7 days to arrive. In very rare instances, orders can take up to 20 days from your purchase date to arrive.
Sorry, we currently cannot ship to PO boxes and do not offer any expedited shipping options.
Shipping is free on orders over $79. Order total must be at least $79 after any additional discount.
For orders under $79, shipping cost is based on weight:
Under 1 lb: $5.49
1.01-5 lb: $7.95
5.01 lb - 10 lb : $10.95
10.01 lb - 15 lb: $13.95
15.01 lb - 20 lb: $17.95
20.01 lb - 25 lb: $20.95
25.01 lb - 30 lb: $24.95
30.01 lb - 40 lb: $34.99
40.01 lb - 50 lb: $43.99
50.01 lb and over: $49.99