is b12 injection subcutaneous or intramuscular

Variant:10 ml https://www.bio-peptides.com/product2/peptide/BPC-157_10mg.png Homocysteine Regulation : The medication helps convert homocysteine into methionine B6 Sprouts B-12 w/Folic Acid & Vitamin B6 Liquid Drops - 1 fl oz

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