is b12 a subcutaneous injection

https://pics.walgreens.com/prodimg/669366/450.jpg Size:1000 mcg/ml - 10 ml x 5 For BPC-157 specifically, intranasal data remains limited Catalog-Ref: LVS856 Bacteriostatic Water for Injection USP | Hospira Pfizer 30mL 25-Pack

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