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[DOI] [PMC free article] [PubMed] [Google Scholar] 85.Chen, L

Peptides 10 , 797803 (1989)

Raymond JR , Yarger WE

This new science-backed approach all comes down to replenishing a key anti-aging molecule that your body makes (NAD+) but slows dramatically with age, leading to invisible cellular damage and visible symptoms like wrinkles, stubborn fat, brain fog, slower recovery, and joint pain

Intramuscular injections are generally inconvenient due to pain and require healthcare professionals for administration, thus increasing the economic burden on patients which ultimately leads to discontinuation of the treatment