A vial is not a strategy
Miyadera, H., Sugiura, T., Kawamura, K., et al
doi: 10.1016/S2213-8587(17)30013-X 221 ArodaVRRosenstockJTerauchiYAltuntasYLalicNMMorales VillegasECet al
Conversely, IGF-1 acts to provide an inhibitory feedback signal on GH secretion in the hypothalamus by stimulating somatostatin production in the pituitary [35]
That determination will depend on separate statutory requirements governing dietary supplements, including whether a peptide meets the definition of a dietary ingredient, is reasonably expected to be safe, requires an NDIN and is subject to the FD&C Acts drug exclusion provision.
Despite that, many companies that market NAD+ are calling it NAD+ peptide