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The note on the vitamin bottle reads "5-HTP is a direct precursor to serotonin, which is a major neurotransmitter of the central nervous system. Enteric coated vegetarian capsules deliver 5-HTP to the small intestine, protecting it from stomach acid destruction. Caution: Not recommended for use with MAO-inhibiting antidepressant prescriptions. Do not take if you are pregnant or lactating. May cause drowsiness; operate vehicles or machinery with caution." This is a sealed vitamin package, probably around 5-10 years old. It is past the 07/04 "use by" or expiration date labeled on the bottle. However, according to the knowledgeable wikipedia encyclopedia and the prestigious Harvard Medical School Family Health Guide, an FDA study revealed that 90% of medicines are still good 15 years after their expiration date. It is sold "as is", with its precise condition described by the seller, with no legal liability whatsoever for the seller. Wikipedia notes that "5-Hydroxytryptophan or 5-HTP is a naturally occurring amino acid, a precursor to the neurotransmitter serotonin and an intermediate in tryptophan metabolism. It is marketed in the United States and other countries as a dietary supplement for use as an antidepressant, appetite suppressant, and sleep aid, however, according to a 2001 meta-analysis, insufficient high quality research has been done to establish that it is efficacious.[1]" Shipping and handling price for first item purchased: $5.99. Shipping and handling price if this is an additional item purchased. Free. Shipping prices are good for the shipment of this product to any location in the continental United States. Click on any picture for a larger picture. |
Shipping and handling Free shipping for each additional eligible items you buy from empower4. Item location: College Park, Maryland, United States Shipping to: United States
 
*The estimated delivery time is based on the seller's handling time, the shipping service selected, and when the seller receives cleared payment. Sellers are not responsible for shipping service transit times. Transit times may vary, particularly during peak periods.
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