Posted 3/12/2026 14:05 (#11582497 - in reply to #11577700) Subject: RE: Vitamin D research
Tipton, KS
AI Overview
Sunlight exposure is the primary, natural way to produce vitamin D, as UV-B rays convert skin cholesterol into vitamin D3. Just 5–30 minutes of sun exposure (typically on arms/legs) 2–3 times a week, often without sunscreen, is generally sufficient for vitamin D production. However, factors like skin tone, latitude, season, and age influence this
Vitamin D research
