A new review of decades of research has identified several natural compounds that may help support the body’s own GLP-1 activity, the same hormone system targeted by injectable medications such as Ozempic and Mounjaro. The review, published in Toxicology Reports, analyzed studies on how foods, herbs, and bioactive compounds influence glucagon-like peptide-1 (GLP-1), a hormone produced in the gut that signals fullness to the brain, stimulates insulin release, reduces blood sugar after meals, and slows digestion.
The science behind natural GLP-1 modulation
Researchers combed through data on teas, spices, amino acids, plant polyphenols, and fermented foods. They looked for compounds that consistently influenced GLP-1 release or activity. While none of the natural options work as strongly as prescription medications, some ingredients repeatedly triggered increases in GLP-1 release or improved the body’s sensitivity to it.
What they found
The most researched natural GLP-1 supporters include berberine, cinnamon extract, ginger and gingerol, green tea and post-fermented tea compounds, curcumin from turmeric, wheat protein found in fiber-rich breads, and quercetin-rich plant foods such as onions, apples, berries, cherries, grapes, and leafy greens like kale and spinach. The mechanisms varied, from activating bitter taste receptors in the gut to stimulating pathways such as AMPK and ERK that regulate hormone secretion. Many of these pathways pointed toward the same outcome: increased GLP-1 activity.
Why these natural GLP-1 supporters matter
The researchers stressed that exploring natural GLP-1 modulators is not about replacing medication. It is about giving people more options. They cited reasons including that GLP-1 medications are not affordable or available to everyone, that some people experience side effects such as nausea or diarrhea, and that many individuals prefer a nutrition-forward or natural-first approach. The research aims to provide more tailored metabolic care for people who may not want, need, or tolerate a prescription.
The takeaway
Emerging research shows that compounds such as berberine, cinnamon, ginger, curcumin, and green tea can meaningfully support the same metabolic pathways influenced by GLP-1, including appetite regulation, satiety, and healthy blood sugar balance. For anyone exploring natural metabolic support, these ingredients can be added to a well-rounded lifestyle, especially when paired with thoughtful nutrition and movement.
The review was published in Toxicology Reports and can be accessed at: https://www.sciencedirect.com/science/article/pii/S2214750025000137?via%3Dihub
