In short: GLP-1 drugs can turn the metabolism off
Feature Injection Oral Supplement Absorption Rate Near 100% Variable (3070%) Works with gut issues Yes No Speed of level increase Days to weeks Weeks to months Daily pill burden None Daily Clinically supervised dose Yes Self-managed Suitable for severe deficiency Preferred Often insufficient
Peptides 31:15041510 Chen L, Cohen J, Song X, Zhao A, Ye Z, Feulner CJ, Doonan P, Somers W, Lin L et al (2016) Improved variants of SrtA for site-specific conjugation on antibodies and proteins with high efficiency
This pulsatile release proves critical because many of growth hormones beneficial effects require rhythmic patterns of exposure
Background and Mechanisms of Action BPC-157 BPC-157 was first characterized and isolated from gastric mucosal extracts and enzymatic preparations in the 1990s through systematic protein fractionation studies