Metabolic health

Feel Full Longer: A Science-Backed Approach to Boosting GLP-1

How your body’s own GLP-1 helps you feel full, the foods that help release it, and what to realistically expect compared with GLP-1 medications.

Updated · 3 min read

Natural GLP-1 Up Support
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Ever wonder whether you could tap into the same appetite signal that makes GLP-1 medications work? Your body already makes GLP-1, a hormone that helps you feel full and satisfied after eating. What you eat influences how much of it you release. The effect of food is far smaller than a prescription drug, but it's real, and it comes with other benefits. Here's how it works and which foods help.

What does GLP-1 do?

GLP-1 (glucagon-like peptide-1) is released by cells in your gut when you eat. Think of it as your body's built-in "I'm satisfied" signal. According to a detailed review of GLP-1 biology, it works in three main ways:

  1. It slows digestion. Your stomach empties more slowly, so you stay full longer.
  2. It supports balanced blood sugar. It prompts your pancreas to release insulin when blood sugar rises after a meal.
  3. It quiets hunger. It signals your brain to reduce appetite.

Your natural GLP-1 is broken down within about two minutes. Prescription GLP-1 medications are modified to last far longer and act much more strongly, which is why their effects are so much bigger. Food can't match that, but it can help your own system work well. For the full story, read GLP-1: the hormone you've been making your whole life.

Which foods help your body release GLP-1?

Cells in your gut sense nutrients directly. A review of nutrition and GLP-1 found that protein and amino acids, unsaturated fats and the short-chain fatty acids made when gut bacteria ferment fiber all help trigger GLP-1 release. Three food types stand out.

1. Plant-based protein

Protein supports fullness and helps you hold on to muscle while managing your weight. Research on appetite and weight management points to about 1.2 to 1.6 grams of protein per kilogram of body weight a day, with roughly 25 to 30 grams per meal. For a 150-pound person, that's about 80 to 110 grams a day. Good plant sources include:

  • Tofu and tempeh
  • Beans, lentils and other legumes
  • Hemp seeds and pumpkin seeds
  • A plant protein powder: So Lean & So Clean provides 23 grams of organic plant protein per serving with no added sugar

If you have kidney disease, check with your doctor before increasing protein.

2. Healthy fats

Unsaturated fats support fullness, and the type of fat seems to matter. In one study, a meal made with olive oil produced higher GLP-1 levels than the same meal made with butter. Include more:

  • Monounsaturated fats from avocados, olive oil and nuts
  • Omega-3 fats from flaxseeds, chia seeds and walnuts

3. Fiber

When fiber reaches your colon, gut bacteria ferment it into short-chain fatty acids. In laboratory and animal research, those fatty acids directly triggered GLP-1 release from gut cells. Fiber also supports regular digestion and feeds beneficial bacteria. Good sources include:

  • Fruit (apples, berries, citrus)
  • Vegetables (Brussels sprouts, sweet potatoes)
  • Whole grains (oats, barley)
  • Seeds (chia, flax)

Increase fiber gradually and drink plenty of water to avoid bloating.

How to build a GLP-1-friendly routine

Where does GLP-1 Up fit?

Food is the foundation. If you'd like extra support, GLP-1 Up is a daily supplement with four patented ingredients designed to support your body's natural GLP-1 production and a healthy blood sugar response. One of them, Eriomin, a lemon flavonoid extract, raised GLP-1 levels by 22% over 12 weeks in a randomized controlled trial in adults with prediabetes. Another, Reducose mulberry leaf extract, cut the peak blood sugar rise after a sugary drink by 40% in a placebo-controlled trial.

GLP-1 Up is a dietary supplement, not a replacement for prescription medication. If you take medication for diabetes or a GLP-1 medication, talk to your doctor before adding it. To learn more, read GLP-1 Up: what it is and why it works.

Frequently asked questions

Does coffee boost GLP-1?

Possibly. In a small study, decaffeinated coffee increased GLP-1 after a sugar drink, which suggests compounds such as chlorogenic acid rather than caffeine are responsible. The evidence is early.

Can cinnamon increase GLP-1?

In one study of healthy adults, 3 grams of cinnamon with a rice pudding meal raised GLP-1 and lowered insulin, without changing blood sugar or fullness. More research is needed.

Can food raise GLP-1 as much as Ozempic?

No. Your natural GLP-1 breaks down within minutes, while medications are engineered to last much longer and act more strongly. Food supports your own GLP-1 system but has a much smaller effect.

How much protein should I eat to feel full?

Research on appetite and weight management suggests about 1.2 to 1.6 grams per kilogram of body weight per day, with roughly 25 to 30 grams per meal. Check with your doctor first if you have kidney disease.

References

  1. Müller TD, et al. Glucagon-like peptide 1 (GLP-1). Mol Metab. 2019;30:72-130. https://pubmed.ncbi.nlm.nih.gov/31767182/
  2. Bodnaruc AM, et al. Nutritional modulation of endogenous glucagon-like peptide-1 secretion: a review. Nutr Metab (Lond). 2016;13:92. https://pubmed.ncbi.nlm.nih.gov/27990172/
  3. Leidy HJ, et al. The role of protein in weight loss and maintenance. Am J Clin Nutr. 2015;101(6):1320S-1329S. https://pubmed.ncbi.nlm.nih.gov/25926512/
  4. Thomsen C, et al. Differential effects of saturated and monounsaturated fatty acids on postprandial lipemia and incretin responses in healthy subjects. Am J Clin Nutr. 1999;69(6):1135-43. https://pubmed.ncbi.nlm.nih.gov/10357731/
  5. Tolhurst G, et al. Short-chain fatty acids stimulate glucagon-like peptide-1 secretion via the G-protein-coupled receptor FFAR2. Diabetes. 2012;61(2):364-71. https://pubmed.ncbi.nlm.nih.gov/22190648/
  6. Hu M, et al. Acute effect of high-intensity interval training versus moderate-intensity continuous training on appetite-regulating gut hormones in healthy adults: A systematic review and meta-analysis. Heliyon. 2023;9(2):e13129. https://pubmed.ncbi.nlm.nih.gov/36747559/
  7. Ramos FMM, et al. Lemon flavonoids nutraceutical (Eriomin®) attenuates prediabetes intestinal dysbiosis: A double-blind randomized controlled trial. Food Sci Nutr. 2023;11(11):7283-7295. https://pubmed.ncbi.nlm.nih.gov/37970408/
  8. Thondre PS, et al. Mulberry leaf extract improves glycaemic response and insulaemic response to sucrose in healthy subjects: results of a randomized, double blind, placebo-controlled study. Nutr Metab (Lond). 2021;18(1):41. https://pubmed.ncbi.nlm.nih.gov/33858439/
  9. Johnston KL, et al. Coffee acutely modifies gastrointestinal hormone secretion and glucose tolerance in humans: glycemic effects of chlorogenic acid and caffeine. Am J Clin Nutr. 2003;78(4):728-33. https://pubmed.ncbi.nlm.nih.gov/14522730/
  10. Hlebowicz J, et al. Effects of 1 and 3 g cinnamon on gastric emptying, satiety, and postprandial blood glucose, insulin, glucose-dependent insulinotropic polypeptide, glucagon-like peptide 1, and ghrelin concentrations in healthy subjects. Am J Clin Nutr. 2009;89(3):815-21. https://pubmed.ncbi.nlm.nih.gov/19158209/