FDA does not treat oral NAD+ or oral glutathione as approved drugs when they are marketed as supplements with compliant labels and claims
Detox Reactions: Because Glutathione supports the liver's natural cleanup processes, some people may experience mild "detox" symptoms, such as temporary headaches or slight digestive shifts, as the body begins to process stored waste more efficiently
In fact, changes in glutathione levels and/or oxidation state have now been reported in nearly all major human diseases
No claims are made regarding biological activity, safety, efficacy, or medical benefit
doi: 10.1016/j.jbiotec.2025.11.016
Rao AL, Bharani M, Pallavi V