fda warning unapproved peptides bpc 157 tb 500 BPC-157 + TB-500 Blend Big FDA review coming this
Description
It's a decades-old pharmaceutical staple with roots in mid-20th century hospital pharmacy
1a and Supplementary Table 1)
DOI 10.1001/jama.2022.0470 Davies M, et al
So, if your vitamin B12 deficiency is due to an autoimmune disease in which your stomach doesn't make intrinsic factor, supplements might not work for you, and you will need injections
