Tag: ultraviolet

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What Time and How Much Sun Exposure is Best for Vitamin D?

To optimize vitamin D synthesis, aim for 10 to 30 minutes of sun exposure between 10 AM and 3 PM, when UVB rays are strongest. Lighter skin tones typically need less time, while darker skin tones may require three to six times more. Geographic location and seasonal changes also affect exposure needs. Balance sunshine intake […]