google scholar bpc 157 BPC-157 TB-500 Blend: What Researchers Need to Know Stable Gastric Pentadecapeptide BPC 157—Possible bpc 157 google scholar Frontiers

[2] [3] GIP and GLP-1 are released from the intestine in response to food intake and play crucial roles in glucose homeostasis

10.1016/s0305-4179(01)00055-9 78 MiyamotoS.TakaokaK.OkadaT.YoshikawaH.HashimotoJ.SuzukiS.et al (1992)

There's a youtube video about DH I found useful

Metformin, commonly prescribed for diabetes, and proton pump inhibitors used for acid reflux can both reduce B12 absorption over time

It is typically not recommended for self-administration due to the smaller muscle mass compared to other sites

This deficiency arises from impaired absorption of food-bound vitamin B12, reduced dietary intake, and the use of certain medications