Keep them in a dark section of the refrigerator, away from the light that activates when the door opens
Firstly, the impact is partly due to ameliorating caspase-3 and Bax activity and upregulating Bcl-2 [156]
Bioavailability differs significantly between these medications
So the abdomen wins on paper, but rotating between all three sites is better for your tissue long-term than staying fixed to one location
The key distinction is CNS access: intranasal supply leverages olfactory and trigeminal nerve transport to deliver NAD+ directly to brain tissue, making it very valuable for brain safety and cognitive research protocols
J Stud Alcohol Drugs 85:510 Brunchmann A, Thomsen M, Fink-Jensen A (2019) The effect of glucagon-like peptide-1 (GLP-1) receptor agonists on substance use disorder (SUD)-related behavioural effects of drugs and alcohol: a systematic review