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Buy Vitamin D3 K2 Capsules - High Strength Vitamin D Supplement - 120 Vegetarian Tablets - 4000 IU Vitamin D3 and 100mcg Vitamin K2 MK7 - UK Made Vitamins for Bones, Blood
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Vitamin D synthesis using sunlight and cholestrol in body. Vitamin D... | Download Scientific Diagram
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PDF) Supplementing dairy steers and organically managed dairy cows with synthetic vitamin D3 is unnecessary at pasture during exposure to summer sunlight
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PDF) A comparison of Vitamin D-synthesizing ability of different light sources to irradiances measured with a Solarmeter model 6.2 UVB meter.
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Sunscreen photoprotection and vitamin D status - Passeron - 2019 - British Journal of Dermatology - Wiley Online Library
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