can b12 injections cause stomach issues

Methylcobalamin (Vitamin B12) Injection | 5mg/mL (10mL & 30mL) B12 shot https://alyneaesthetics.com/wp-content/uploads/2025/01/stages_of_weight_loss.webp Some surgeons inject PRP during the procedure itself to jumpstart the healing process Size:5ml Dropper Bottle

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