250mg-300mg NMN是临床研究中较多采用的剂量，数据显示每日口服100mg NMN、600mg NMN、900mg NMN、2000mg NMN几种剂量均安全。

临床研究显示，服用NMN出现最多的周期为8-12周，最长服用周期为24周，服用人群出现最多的为40-80岁区间 。

参考资料：

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