햇빛으로 비타민d 합성이 부족한 과학적 이유

2024 2:52
Synopsis
비타민d #영양제 #햇빛#피부암 #기미 #피부노화 비타민d를 꼭 먹어야만 할까요? 햇빛을 자주 받고 실외활동을 적당히 하면 비타민d ...
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