Injectable research peptides, like BPC-157 and TB-500, exploded in popularity last year, going from niche biohacker protocol to mainstream curiosity
If a compounded product contains peptide fragments, impurities, aggregates, degradation products, or an incompletely characterised active ingredient, the immune system may recognise parts of that product as foreign
It could be anything, from bad nutrition habits to co-morbidities: Lower serum vitamin B12 levels have been related to adverse metabolic health profiles, including adiposity
Notably, the P values for these genes were substantially more significant, and the fold changes in their differential expression levels were greater in the combination group than those in the single-natural product groups (Fig