Bi-tá-mín D sī pûi-chit ē-iûⁿ (fat-soluble) ê bi-tá-mín chi̍t khoán, tī chi̍t kóa chia̍h-si̍t tang-tiong thian-jiân tī--leh. Lâng ê phoe-hu chiò ji̍t-thâu ê sî-chūn mā ū hoat-tō͘ chè-chō.
Khiàm-khoat
Bi-tá-mín D khiàm-khoat ê khí-in ū khó-lêng sī chia̍h ê liōng bô kàu gia̍h, pha̍k-ji̍t bô kàu, io-chí bô-hoat-tō͘ kā 25(OH)D choán chò ū oa̍h-le̍k ê hêng-khoán, he̍k-chiá sī siau-hòa-tō ê khip-siu put-chiok. Chia̍h bô kàu ê chêng-hêng khah chiap hoat-hiān tī tùi leng kòe-bín ia̍h sī kah leng-thn̂g-chit lak-tò͘-suh (lactose) bē-ha̍h, koh ū ta chia̍h chhài-se ê lâng.
Chham-chiàu
- "Vitamin D - Health Professional". NIH Office of Dietary Supplements.