Metabolism Support: Some individuals look towards B12 jabs to boost metabolic rate, thus aiding weight management efforts
Neutralizes free radicals and protects against sun damage
Avoid combining directly with strong acids, low-pH exfoliating systems, strong oxidizers, or high levels of free metal chelators
The lane a program uses affects cost, availability, and how the medication is packaged which is exactly the difference the "meds" question is getting at
GLP-1 receptor agonists like semaglutide slow gastric emptying and may reduce stomach acid production
Physiol Rev 87(4):14091439 Campbell JE, Drucker DJ (2013) Pharmacology, physiology, and mechanisms of incretin hormone action