Unverified85% confidenceDecision RuleTime unknown
皮肤美容目标应选水解胶原肽(Collagen Peptide),分子量2000-5000道尔顿吸收率最佳,日剂量需2500-10000mg,且以I型和III型为主,与关节用的II型完全不同
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Unverified有效日摄入量参考:美容护肤需2.5g-10g胶原肽/日(多数临床研究用5g左右),关节II型胶原用量仅需40mg(UC-II非变性形式);购买时用'每份肽含量'而非'每袋净重'计算性价比79% similarUnverifiedUC-II型(非变性II型胶原)有效剂量仅需40mg/天,而普通水解胶原肽用于皮肤需5000-10000mg/天,二者剂量差异巨大,切勿用I型的大剂量标准衡量II型产品77% similarUnverified有效剂量是关键:多数临床研究皮肤改善的日摄入量为2.5-10g水解胶原肽,购买时换算每份实际胶原肽含量,警惕每袋仅几百毫克的'噱头装'77% similarUnverified关节保健应选Ⅱ型胶原蛋白(多为鸡软骨来源,常为未变性UC-II,有效剂量仅40mg/天),而皮肤美容应选Ⅰ/Ⅲ型(鱼/猪牛源,剂量需克级),二者不可混淆75% similarUnverified关节保养的UC-II非变性II型胶原每日有效剂量仅需40mg即可,而普通水解胶原蛋白肽的护肤有效剂量研究多基于每日2.5-10g,两者剂量差距巨大,不能用同一标准衡量性价比73% similar
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