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NAD+ declines naturally with age, contributing to reduced cellular function, decreased energy production, and impaired DNA repair

doi:10.31083/j.rcm.2021.01.256 Poredo P

You can also report serious side effects to the FDA

Research has shown approximately 40% oral bioavailability in animal studies

For follow-up therapy, 2-3 ampoule pairs are given per week

PMID 25824066