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Immune Support & Vitamin D

Formulated to support Vitamin D levels and immune system health

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Celebrating Decades of Dedication to Wellness & Natural Supplements. Our Secret? It’s Simple

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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.

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.

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 always been skeptical of the supplement industry but decided to give this company a chance as my doctor recommended them to me. I've been taking their vitamin d3 5000iu and ve... Read More


- Jesse L.