can b12 injections cause weight loss & Loss: What the Evidence Says – Bolt Pharmacy Vitamin B12 for Weight Loss:

This makes it more accessible for beginners and easier to integrate into daily routines

stable at room temperature for approximately 3 weeks Reconstituted BPC-157: Store at 2 to 8C (refrigerator temperature) and use within 4 weeks Protect from light and avoid repeated freeze-thaw cycles Never use the solution if it appears cloudy or contains particles Side Effects Preclinical animal studies have demonstrated a favorable safety profile for BPC-157, with no acute toxicity observed across multiple organ systems, including liver, spleen, lung, kidney, brain, thymus, prostate, and ovaries at doses ranging from 6 g/kg to 20 mg/kg over 6-week periods

For unregulated peptides, however, theres simply not enough evidence to say if theyre safe or not

I would call it more of an uninformed fad