Pathophysiol Haemost Thromb
There are 3 main ways that you can get B12 into your body: Oral supplements taken and swallowed by the mouth then go into your gut to get absorbed Sublingual supplements that supposedly get absorbed under the tongue which then bypass the gut And intramuscular or subcutaneous injections that bypass the gut entirely by being injected straight into the muscle At first glance, it seems that the sublingual option is probably the best
Wolffenbuttel BHR, Heiner-Fokkema MR, Green R, Gans ROB
You can also learn more about dosing in our article on MIC B12 injections dosage
As a result, you are actually operating on many more calories than what you are eating
As B12 is water soluble and generally safe, it is often given to geriatric animals who are losing weight and just doing poorly in general, and it definitely helps increase energy and improve quality of life in dogs. What Does Vitamin B12 Do for Dogs