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Only a small share of a large oral dose is absorbed by the bodys usual receptor-based route, but the surplus crossing the gut wall by simple diffusion is still enough to lift a serum reading well above the reference range
The mechanism makes sense
Some more severe, but rare, side effects that can occur are low potassium levels, muscle cramps, irregular heartbeat, chest pains, or blurred vision
B12 injections may be beneficial if you are: Vegan or vegetarian Over age 50 Diagnosed with anemia Experiencing fatigue or burnout Managing chronic stress or health conditions FAQ About B12 Injections and Wellness Q1: Are B12 injections safe
