Vitamin D
Vitamin D3 is normally made by the action of sunlight on the skin. In more Northern coutnires such as Scotland, current research suggests taking supplemental D3 during winter months (e.g. September to March).
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Vitamin D3 is normally made by the action of sunlight on the skin. In more Northern coutnires such as Scotland, current research suggests taking supplemental D3 during winter months (e.g. September to March).