Which OTC vitamin may be used as a sunscreen by ingesting or applying a solution to the skin?
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2 Answers
Vitamin D supplements can be used as a sunscreen by applying a solution containing the vitamin directly to the skin before sun exposure. This method has been shown to provide some sun protection by strengthening the skin's natural defense mechanisms. However, it is important to note that vitamin D should not be used as a substitute for traditional sunscreen products that protect against both UVA and UVB rays.
Vitamin B3, also known as niacinamide, may be used as a sunscreen by ingesting it or applying a solution of it to the skin. Studies have shown that it can reduce the risk of sunburn and other skin damage caused by UV radiation. Vitamin B3 is available over-the-counter in the form of tablets, capsules, and topical creams.