For the 8mg/mL concentration, a 1 mL syringe is necessary for any dose above 2.5mg
Improved cognitive function: NAD+ has been shown to support healthy brain function and may help improve memory and cognitive performance
PMID: 11754102 Callewaert BL, Loeys BL, Ficcadenti A, Vermeer S, Landgren M, Kroes HY, Yaron Y, Pope M, Foulds N, Boute O, Galn F, Kingston H, Van der Aa N, Salcedo I, Swinkels ME, Wallgren-Pettersson C, Gabrielli O, De Backer J, Coucke PJ, De Paepe AM
A 500 mcg dose from an untested online source delivers an unknown quantity of an unknown substance
It is considered rare as there are fewer than 200,000 US cases per year