GLP-1 (glucagon-like peptide-1) is a hormone vital for regulating blood sugar and controlling appetite, which is why it has gained attention in weight loss and diabetes treatments. Despite its importance, over-the-counter GLP-1 supplements are largely ineffective.

As a nutritionist and metabolic health expert, I often get asked whether specific supplements should be part of a patient’s or client’s regimen. Unfortunately, for years my answers were often inconclusive due to the lack of solid evidence supporting the effectiveness of many supplements. Then, in 2004 …