



B2-400
Supports mental clarity, healthy mood, and optimal productivity*
Product Details
Health Benefits
Ingredients
Featured Supplements
Our Role in Personal Wellness Journeys
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 appreciate Bio-Tech's ethos. They make great products that you can trust, they are transparent, and their service is fast.
- Bethany B.
My endocrinologist is the one who told me about Bio-Tech for my vitamin D supplement! After the prescribed right dose of vitamin D from the doctor and great supplement my levels ar... Read More
- Julie M.
Fast, accurate and easy to deal with. My physician recommended their products to me and they seem to work great!
- Jerry G.
*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.