vitamin b12 oral vs injection

vitamin b12 oral vs injection Injections vs. Supplements: Which is Right for You? Vitamin B12 Oral vs Injection – Vitamin B12 Injections vs. Supplements:

Name: vitamin b12 oral vs injection Injections vs. Supplements: Which is Right for You? Vitamin B12 Oral vs Injection – Vitamin B12 Injections vs. Supplements:
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Description

What Are B12 Injections and How Do They Work

While traditionally described as being absorbed directly through the mucous membranes in the mouth, research suggests that much of the dose is actually swallowed and absorbed through the digestive system via passive diffusion, similar to standard oral tablets

Studies testing doses up to 1 mg daily found no additional benefits above this threshold