b12 thigh injection site Instruction Guide for Intramuscular (IM) Self-injection of Methylcobalamin 1mg/5mg What is the preferred site
Description
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Optional: GHK-Cu nasal spray 200 mcg twice daily as a systemic supplement
The injection bypasses digestion, allowing for faster absorption compared to oral supplements
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Vitamin B12 for vision A rare condition from a lack of vitamin B12 is optic neuropathy
Oral supplementation has shown effectiveness but may not match the efficacy of IM in certain scenarios
