Non-GLP-1 alternatives like phentermine offer shorter-term appetite suppression at lower cost, though the weight loss mechanism and results differ significantly
Mechanism ColonBroom's GLP-1 positioning is backed by real fiber science: fermentable fiber increases short-chain fatty acids, which activate receptors on gut L-cells that release GLP-1 and PYY, both of which increase fullness
For weight loss, though, its key advantage is metabolic flexibility : it helps the body switch to burning fat stores and may reduce insulin resistance, attacking one root cause of weight gain
They might be able to adjust your dose or give you other ways to feel better
In the randomized controlled trial (RCT) by Kelly et al
Retatrutide is a triple-agonist peptide from Eli Lilly that simultaneously activates GIP, GLP-1, and glucagon receptors