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vit b12 injection overdose Vitamin & Toxicity: Too Much Can't Kill · PA Relief The Dangers of Vitamin B12
Description
I will try tylenol and cold compresses after reading some of these other replies

Access Data FDA
The copper peptide refrigeration guide and GHK-Cu shelf life page provide specific recommendations

Subcutaneous Options: Abdomen and Thigh While most B12 shots are injected into a muscle (intramuscular), they can also be given as a subcutaneous injection
