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Immune Support & Vitamin D

Formulated to support Vitamin D levels and immune system health

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Featured Supplements

MK-7 (Vitamin K2) | Vitamin K2 (MK-7)

MK-7 (Vitamin K2)

Cardiovascular Health

$69.95

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MK-7 (Vitamin K2)

Supports bone and cardiovascular health* Excellent complement to calcium and vitamin D supplements for optimal bone health*

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D3-50 50,000 IU Vegetable Caps | Vitamin D3 (Cholecalciferol)

D3-50 50,000 IU Veg...

Cardiovascular Health

$36.29

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D3-50 50,000 IU Vegetable Caps

Supports bone, cardiovascular, neuromuscular, and immune health*

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Folic Acid (5 mg) | Folic Acid

Folic Acid

Cardiovascular Health

$15.28

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Folic Acid

Supports healthy function of both the cardiovascular and nervous system* Contributes to reducing a woman's risk of having a child with a neural tube birth defect*

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Our Role in Personal Wellness Journeys

I’ve been using these vitamins for more than 10 years and I swear by them. I’ve tried others and I haven’t found any thing close to as good as these. I’m an especially big fan or t... Read More


- Ilana P.

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 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 been ordering my vitamin D3 from Bio-Tech Pharmacal Inc for a long time. I have been very satisfied with this product & will continue to do so whenever I need more!


- Marcia K.