vit b12 injection brand name Injections at Olympia Vitamin B12 Cyanocobalamin injection 1000
Description
Serious side effects are very rare but include allergic reactions and palpitations

On the other hand, those with methylation issues (MTHFR gene mutations carriers, for instance) do best on methylated B12, that is, methylcobalamin

Pushing past these limits does not accelerate results and may cause metabolic adaptation
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If the Cause is a Compressed Single Nerve (Carpal Tunnel, Ulnar Entrapment): This is Mononeuropathy , not Polyneuropathy