



B2-400
Supports mental clarity, healthy mood, and optimal productivity*
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
It came to me recommended by the Grassrootshealth researchers and I will not buy any other product since taking their VItamin D plus K2. I personally need the 10,000 IU D formula t... Read More
- Alice S.
Per our doctor’s advice and routine bloodwork for over a decade, my wife takess 100,000 weekly and I take 50,000. It’s nice to accomplish in just one or two pills a week versus a c... Read More
- Chris W.
After taking the vitamins, my liver numbers have been great and my doctor drastically lowered my medication. I will definitely continue to buy from this company.
- Joseph P.
*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.