The Honest State of Peptides Many unapproved peptides demonstrate favorable tissue repair and metabolic outcomes in animal models, but rigorous human safety data is scarce, and there is potential for serious harm
Limitations of Mechanism Studies While these mechanisms are fascinating from a research perspective, they represent the beginning of understanding, not established facts about human physiology
Some studies suggest that sublingual cyanocobalamin (131-133) and sublingual methylcobalamin (134, 135) are effective at increasing vitamin B 12 status
Specifically, GLP-1Rs on vagal afferent neurons have been shown to contribute to the incretin effects of GLP-1 shortly after a meal, gastric emptying, and glycemia (Krieger et al., 2015)
Research published through 2025 and 2026 has established that 25% to 40% of total weight lost on high-efficacy GLP-1 medications comes from lean mass rather than fat, according to multiple DXA-based body composition studies
Not all NMN products can be sold within Australia So far, the TGA has only approved the NMN ingredient branded CellVive