Supergut vs. BelliWelli: Which GLP-1 Fiber Powder Actually Delivers?

In partnership with Supergut. Editor's Note: We only select and work with partners that meet our quality standards, so you can rest assured we only endorse products we believe in.

At this point, you've likely heard a lot about GLP-1s. The hormone behind the Ozempic conversation is everywhere, but what you may not already know is this: your body makes GLP-1 naturally, and the right nutrition can help support the pathways in your body that release it.

That's the general premise behind a growing category of supplements claiming to support your body's natural GLP-1 signaling. Aha.

Supergut GLP-1 Daily Support and BelliWelli's Cherry Limeade Daily Fiber + Probiotics Powder are both getting a lot of buzz for offering said support. While they target a similar consumer, though, they're very different products. Curious for the inside scoop, I compared both so you don't have to. Here's how they stack up…

The Quick Take: Both supplements speak to the GLP-1 conversation, but only one was actually formulated around it. Supergut wins on ingredients, science, and purpose-built design, while BelliWelli wins on price and taste. If you're specifically interested in the gut-fiber pathway linked to GLP-1 activity, Supergut is the clear choice.

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Ingredients & Formula

Supergut: This formula is built around four prebiotic fibers: Solnul®, Green Banana Fiber, Oat Beta Glucan, and Soluble Vegetable Fiber, plus natural flavors, citric acid, stevia leaf extract, paprika oleoresin, and black carrot concentrate. Each serving delivers 7g of dietary fiber, 3g of which is soluble fiber (the type that ferments in the gut, feeds the microbiome, and drives the short-chain fatty acid production linked to GLP-1 activity). With this product’s single-mechanism approach, every ingredient is selected to support the fiber-microbiome pathway. 

BelliWelli: BelliWelli's powder positions itself as a 4-in-1 formula, combining 4g of acacia fiber with collagen peptides, a probiotic strain, and electrolytes. It also contains 2g of added sugars and stevia leaf extract. Worth noting: there's no soluble/insoluble fiber breakdown on the label, which makes it harder to evaluate how much of that 4g is doing the GLP-1-relevant work.

Winner: Supergut

The Science

Supergut: The science behind Supergut's approach has been conducted on the individual ingredients in the proprietary resistant starch blend: prebiotic fiber feeds gut bacteria, gut bacteria produce short-chain fatty acids, short-chain fatty acids stimulate GLP-1 release. On top of that, Supergut’s proprietary resistant starch blend supports blood sugar regulation, satiety, heart and metabolic health. 

BelliWelli: BelliWelli mentions that this product “helps promote feelings of fullness” but doesn’t really explain how it does that beyond mentioning that fiber helps slow digestion. In general, BelliWelli’s site offers less information – even the FAQs left me with many q’s. 

Winner: Supergut

Convenience & Form Factor

Supergut: This one’s a powder that can be mixed into water, a smoothie, yogurt, coffee, or, really, whatever you’d like. It’s available in Blood Orange, Raspberry Lemon, Watermelon Lime and Unflavored. I don’t mind the taste, and many reviews agree. There's also something to be said for the format itself: powder mixed into liquid arrives in your gut already hydrated and dispersed – no breakdown required before it can start doing its job.

BelliWelli: Also a powder, BelliWelli has an impressive flavor lineup (10 options, including Watermelon, Strawberry Lemonade, Peach Mango, and Unflavored), which gives it an edge for people who need their daily supplement to feel like something they actually want to take. With that in mind, it does have 2g of added sugarcane compared to Supergut’s 0g of sugar. 

Winner: Depends on preference 

Price & Value

Supergut: For 15 servings, Supergut costs $25.60-$32 depending on how you buy it (it’s cheaper if you subscribe). That’s around $1.80 per serving. It's not cheap, but the dosage and clinically backed ingredients for appetite support, healthy blood sugar, metabolic and heart health support justify the cost. Plus, it’s Low FODMAP-certified and made with non-GMO ingredients. You're paying for a formula that was specifically engineered to do one thing very well.

BelliWelli: 16 servings of BelliWelli cost between $26.99-$29.99. That’s ~$1.68 per bottle. 

Winner: Supergut on value, BelliWelli on price alone

The Verdict: I’m Sticking With Supergut

Supergut offers a fiber-forward formula whose premise makes total sense to me. There's way less deciphering to do here, and the mechanism and dosing check out. If you're interested in supporting the gut pathways associated with GLP-1 signaling, managing blood sugar, and feeling fuller longer, Supergut is the supplement designed around that specific approach.

I haven't been taking it long enough to make any sort of sweeping claims (and, realistically, I'm only ever going to share my experience and won't ever tell you what's best for you), but I'm encouraged by the science and early results.

Between the two options, Supergut is my choice. Curious to give it a go? Shop my winner here and Use code TQE20 for 20% off.

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