On the other hand, for subcutaneous injection, you can inject it on the back of your upper arm, lower abdomen, and front of the thighs
Rich Dietary Sources of Vitamin B12 Vitamin B12 is usually found in fortified foods and animal foods, such as meat, fish, eggs, and dairy products
Choline is an essential nutrient that supports normal lipid transport and liver function L-Carnitine plays a role in fatty acid metabolism at the cellular level
B12 Shots & B12 Injections: The Good, Bad, and Alternative
Days 14+: Most patients on weekly protocols report returning to baseline energy by day 10-14, which aligns with the rationale for weekly dosing
The honest position is this: there is no head-to-head human bioavailability trial telling you which route is superior for this specific molecule, so the best route is not a settled question