What is the hottest material in dietary supplement market now? NMN. Yes, with the excellent effect of delaying aging, NMN has entered our dietary supplement catalogue successfully, and accepted by consumers. We do not need to talk more about its benefits, let’s focus on the side effects, but it is really no serious side effects from consuming NMN after clinical trial, the safety is high. Except for NMN dietary supplements, you can eat Avocado, Broccoli, tomato, etc., rich in NMN naturally.