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Although 40,000 g is a significant amount for the body, its a small amount to the eye
Avoid strenuous physical activity immediately after your shot
Sublingual B12 has better absorption than oral tablets, especially if you have any GI problems
Certificates of Analysis: Reputable suppliers provide lot-specific COAs confirming ingredient identity, potency, and purity
Serious reactions to vitamin B12 are very rare, and most people will never experience them
However, they should not substitute a balanced diet rich in vitamin B12
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