買補充劑要買有USP標識的。USP（美國藥典）代表產品經過美國藥典檢驗，保證純度。如圖：

來源: 湖西於 2025-05-22 19:27:43 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.