



Tryptophan
Supports normal sleep patterns* Promotes stress management, relaxation, and appetite control*
Product Details
Health Benefits
Ingredients
Featured Supplements
Our Role in Personal Wellness Journeys
Bio-Tech is my number 1 choice to purchase Vitamin D3 50. Years ago it was the only place I could find 50k IU. Now I stay for the excellent customer service, reliabilty & speedy sh... Read More
- Melissa
I have used Bio Tech Pharmacals for many years with confidence. I still haven't received the last order and it has been several weeks. The Post Office cannot find the last order. I... Read More
- J. Wolf
I have always had very low Vitamin D levels despite taking supplements. A friend recommended Bio Tech’s Vitamin D. Said it was the only one that had helped her. I tried it and, for... Read More
- Julia P.
I’ve been a gastric bypass/duodenal switch patient since 2003. I do not absorb fat soluble vitamins. The BioTech vitamins have been the only ones that keep my levels normal. Especi... Read More
- Irene S.
*The views, opinions, statements and claims expressed in articles, studies, surveys and/or publications in connection with various products offered for sale by Bio-Tech Pharmacal, Inc. contained in this website are those only of the author(s) of such views, opinions, statements and/or claims, none of which Bio-Tech Pharmacal has endorsed or adopted and none of which have been evaluated by the U.S. Food and Drug Administration. Bio-Tech Pharmacal, Inc.’s products are not intended for use in the diagnosis, cure, mitigation, treatment, or prevention of any disease.