BPC 157 entered early-phase clinical development for inflammatory bowel disease as PL 14736 (Pliva, Croatia), and a 2025 pilot examined intravenous administration in a small cohort, but no adequately powered randomised controlled trial exists
This protein must be present to combine with B12 in order for our bodies to absorb and use it
Safety and Research-Use Considerations KLOW is sold for laboratory research use only and is not intended for human consumption, diagnosis, or treatment
(PubMed) Lajous M, Lazcano-Ponce E, Hernandez-Avila M, Willett W, Romieu I

Groups at increased risk of B12 deficiency include: Vegans and strict vegetarians , who avoid all animal products and are at significant risk without supplementation or fortified foods Older adults , in whom reduced stomach acid production impairs B12 absorption People with pernicious anaemia , an autoimmune condition that destroys intrinsic factor-producing cells Those who have undergone gastric surgery , including bariatric procedures, which can reduce intrinsic factor availability Individuals taking long-term metformin for type 2 diabetes, as this medication is associated with reduced B12 absorption the MHRA has issued specific safety advice on monitoring B12 levels in this group [6] [7] People with conditions affecting the small intestine , such as Crohn's disease or coeliac disease Symptoms of B12 deficiency can include fatigue, weakness, pins and needles, memory difficulties, and a sore or inflamed tongue (glossitis)