The truth about natural GLP-1 boosters

886. Put "GLP-1" on a label and you can sell almost anything right now: supplements, snacks, drink powders, even a gadget that sits next to your toilet.

Some of these products are designed for people taking GLP-1 medications, who can have real nutritional needs. Others promise to boost your body's own GLP-1 as a path to weight loss. That second pitch is a lot shakier, and the reason comes down to what these medications are and how they work.

Monica separates the science from the marketing:

• What GLP-1 is, and what this gut hormone does after you eat
• Why semaglutide, tirzepatide, and retatrutide aren't technically "GLP-1s," and what receptor agonists, dual agonists, and triple agonists are
• The more accurate names the medical community has proposed for this drug class, and why none of them has stuck
• How fermentable soluble fiber feeds your gut microbiome, produces short-chain fatty acids, and raises natural GLP-1
• Why nobody was talking about boosting natural GLP-1 until these medications took off
• A bathroom device that estimates your fiber intake from the air around your toilet, and why it doesn't measure GLP-1 at all
• Why these medications don't treat a GLP-1 deficiency
• Why your natural GLP-1 breaks down within minutes while semaglutide stays active for days, and what that difference means for appetite and weight loss
• Why eating more fiber is still a good idea, even if it won't do what the label implies

Nutrition science you can trust, in plain English.

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