some use up to 1 g/day for more robust increases in NAD+ levels Suggested Brands: Tru Niagen (Niagen is a patented form of NR) and Thorne ResveraCel (includes NR plus additional antioxidants) NMN (Nicotinamide Mononucleotide) Typical Dose: 250500 mg/day (up to 1 g/day if well-tolerated) Suggested Brands: ProHealth and Alive by Nature (offers sublingual forms for potentially enhanced absorption) How to Choose the Best NAD Supplement As with any supplement, its important to look for one that has independent, third-party research supporting its formulation, efficacy and safety
Complete protocol with dose escalation, injection technique, and missed dose guidance
The one honest exception: TB-500 works partly by mass-action, so a higher local concentration in the brief window before it disperses is at least plausible
A doping/sport note (because it comes up in searches) WADAs prohibited list explicitly references growth hormone fragments, including AOD-9604 / hGH 176191
Injury Healing ( repairing tissues, joints, and muscles faster )
Importantly, BBB breakdown can also involve different cellular elements beyond brain endothelial cells