If there are special circumstances, follow the doctor's advice and don't take it indiscriminately. It is understood that cancer patients taking nmn is special, and there may be two completely different results. First, taking NMN can enhance the body's resistance, improve blood circulation in the body, improve people's metabolic function, reverse aging, and repair damaged cells for cancer patients. Secondly, theoretically, it is possible for NMN to repair cancer cells, but this has not happened in all experiments. Excluding special patients, the choice of normal people taking NMN is also particular, that is, the qualification of NMN products must be complete. Gao Rui Glorylife)NMN has its own scientific laboratory, R&D team and factory with FDA registration and GMP certification. All batches of products have been tested by SGS, an international authoritative organization.