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Description
Regulatory note: Injectable/IV NAD+ is not FDA-approved (or approved by any major regulator) for energy, metabolic or longevity uses
It matters
In general, GH promotes IGF1 gene transcription and synthesis in the liver, thus regulating the circulating levels of IGF1 (Guevara-Aguirre et al., 2018
Strict vegetarians/vegans, individuals with diets lacking animal sources of B12, or those suffering from prolonged malnutrition
