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Evidence gap Large-scale, long-duration RCTs of subcutaneous NAD+ for wellness or longevity endpoints have not been published as of June 2026
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Side effects are: Red rash Increase skin acne Photosensitivity Bruising and bleeding at the injection site Vitamin D Vitamin D contributes to normal absorption/utilisation of calcium and phosphorus Contributes to normal blood calcium levels Contributes to the maintenance of normal bones Contributes to the maintenance of normal muscle function Contributes to the maintenance of normal teeth Contributes to the normal function of the immune system Has a role in the process of cell division Helps to reduce the risk of falling associated with postural instability and muscle weakness
Laboratory Tests Patients with pernicious anemia have about three times the incidence of carcinoma of the stomach as the general population, so appropriate tests for this condition should be carried out when indicated
Blood work including comprehensive metabolic panel and copper levels provides objective health verification for long-term users
