ㄟ… 好吧,陽光不是食物,但身體要製造維生素 D 卻得依賴陽光。沒有維生素 D 我們的身體就不能好好地吸收食物中的鈣質。陰天、住在高緯度或是深色肌膚都可能干擾體內維生素 D 的合成。也因此有些人會選擇維生素 D 的營養補充品。對大部分成年人一日維生素 D 的建議攝取量是 600 IU,70 歲以上的話則建議每日攝取 800 IU。
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