For those without prior GLP-1 sensitivity , starting at 0.5mg/week is more common
Interestingly, even in studies where beta-3 receptors were absent, some metabolic effects persisted with acute dosing, suggesting secondary mechanisms may exist
How bioavailable or in other words, how absorbable a vitamin is is often influenced by factors, like age, genetics, and a persons digestive system ( For example, people with conditions affecting the digestive system might not benefit from liquid, gummy, or pill forms of vitamin B12
By comparison, oral B12 supplements are absorbed at roughly 1 to 5% in healthy adults, and even less if you have low intrinsic factor, atrophic gastritis, celiac disease, Crohn's, or a history of gastric bypass