Is NMN considered safe? Nicolas Ting 23 March 2023 10:49 Yes, the safety of NMN has been assessed on humans in clinical trials and is proven to have no short- nor long-term side effects. Related to NMN NMN & Ageing Related articles What is the current scientific basis on NMN? What does the NMN contain? Is the Booster considered safe? What are the benefits of NMN? How many capsules should I take? Comments 0 comments Please sign in to leave a comment.