The honest answer: B12 is not a fat-burning drug
For instance, in a randomized, placebo-controlled trial in healthy adults, subcutaneous CJC-1295 injections produced sustained, dose-dependent increases in GH (two to 10 times) and IGF-1 (1.5 to three times) levels over several days, demonstrating prolonged GH axis stimulation without serious adverse effects, a hormonal milieu associated with anabolic and metabolic effects
Do not exceed recommended intake
It enhances both synthesis and breakdown of extracellular matrix components, such as collagen, glycosaminoglycans (including dermatan and chondroitin sulfate), and decorin, and regulates metalloproteinases and their inhibitors (Pickart, Vasquez-Soltero, and Margolina 2015)
su valor documental reside en la claridad de sus datos ancla y en la reproducibilidad que permite un manejo cuidadoso, no en afirmaciones de eficacia fuera del terreno experimental