Supplement containing nicotinamide mononucleotide, with a high concentration of 250mg per day. - Brand: YAMAKAN - Ingredient Name: nicotinamide mononucleotide - Contents: 60 tablets - Daily Dosage: 250mg - Made in: Japan - Expiration Date: October 2027 Yamamoto Kanpo Pharmaceutical Health 100 Year Supplement NMN 60 tablets (30 days supply) x 2 packs Brand: Yamamoto Kanpo Pharmaceutical Retail Price: 7020 yen per pack NMN is a vitamin-like substance that is naturally produced in the body. However, its production decreases with age, and it is believed that when NMN decreases in the body, aging begins, and the aging of physical and cognitive functions progresses.