In the intestinal L-cells, proglucagon is cleaved by the enzyme prohormone convertase 1/3 to produce GLP-1, along with other peptides including GLP-2 and glicentin
Potentially any fetus exposed during pregnancy can be affected
A note on brand pen cartridges: Clear pens let you inspect the cartridge directly
The long-term exposure to epitalon involved in the treatment protocol produced no adverse side effects
Sources reviewed include the official Vital Blood product website (thevitalblood.com), the brand's Terms of Service and published FAQ, the brand's Supplement Facts panel as documented in official product materials, and peer-reviewed literature on L-Arginine, L-Citrulline, and blood pressure from PubMed and PMC (National Library of Medicine), including a 2019 systematic review in Nutrients on oral L-Arginine and L-Citrulline supplementation, a 2022 systematic review and meta-analysis in Advances in Nutrition, and a 2024 assessment of registered clinical trial designs published in Pharmaceuticals
