is bpc 157 systemic This doesn't mean BPC-157 side-effect-free. But it does add to the safety signal. Credit to @dr.kseniamiami for mentioning this study on our recent podcast recording last week which will be out What is BPC-157 (Body Protection
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Who should get tested for vitamin B12 (cobalamin) deficiency, and which is the best test to use: serum B12, methylmalonic acid (MMA), or holotranscobalamin levels

It is currently procedural terminology

Research-Grade Bacteriostatic Water from Ageless Vitality Peptides For researchers and laboratory professionals, Ageless Vitality Peptides provides research-grade bacteriostatic water in 10ml vials, designed specifically for reconstituting research compounds

Daisy O

While less common, high levels could suggest liver dysfunction, leukemia, or excessive supplementation