Tomorrow's Nutrition Sunfiber Prebiotic Fiber 30 Servings
- 6 grams of soluble fiber per serving
- 30 servings, 7.36 ounce canister
- Partially hydrolyzed guar gum, low FODMAP certified
- Dissolves clear, unflavored
- Vegan, gluten free, non-GMO
Last refreshed Sep 11, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A clear-dissolving prebiotic fiber for people with sensitive stomachs who react to gassy fiber powders. One canister covers a month, so daily users restock often.
As an Amazon Associate I earn from qualifying purchases. ProductDome earns a commission when you buy through links on this page.
ASIN: B00GYHWJRACategory: Fiber Supplements
Overview
Someone with a sensitive gut who bloats on other fiber gets a slow-fermenting guar gum fiber here. Tomorrow's Nutrition sells it as an unflavored powder that dissolves clear in drinks or food, certified low FODMAP for IBS-style diets.
Slow fermentation is what lets this fiber ease both constipation and loose stools without much gas. It mixes into coffee, smoothies or recipes without changing taste or texture. The canister holds only a month of servings, so it is a recurring purchase.
Who it's for
People managing IBS or a touchy stomach who want daily regularity support can mix it into what they already drink. Those after a quick, strong laxative effect will find it gentler than they want.
Pros and cons
- Gentle, low gas fermentation
- Low FODMAP certified
- Dissolves clear without taste
- Helps with both constipation and diarrhea
- Only a month per canister
- Results build over days, not hours
- Scoop size not listed
Performance notes
Partially hydrolyzed guar gum ferments slowly in the gut, which is why it causes less gas than fast-fermenting fibers. It slows gastric transit, adding fullness after meals. It feeds gut bacteria as a prebiotic, so steady daily use matters more than single doses.
Specifications
| Brand | Tomorrow's Nutrition |
|---|---|
| Dimensions & fit | |
| Item Dimensions | 7.3 x 3.7 x 3.7 inches |
| Capacity & performance | |
| Age Range Description | Adult |
| Construction & materials | |
| Color | White |
| Included components | |
| Unit Count | 7.36 ounces |
| Other details | |
| Item Form | Powder |
| Diet Type | Gluten free, vegan |
| Flavor | Unflavored |
| Fiber per serving | 6 g soluble |
| Fiber type | Partially hydrolyzed guar gum (Sunfiber) |
| Total Servings Per Container | 30 |
| Container Type | Canister |
| Certification | Low FODMAP certified |
| Primary Supplement Type | Digestive Health, Fiber, Gut Health, Prebiotic, SunFiber |
| Product Benefits | Digestive Health Support |
| Special Ingredients | Low FODMAP, Partially Hydrolyzed Guar Gum, SunFiber |
| Supplement Formulation | Individual Supplement |
Frequently asked questions
How do I take Sunfiber?
Stir it into a drink, smoothie or recipe. The listing says it dissolves fast and clear without changing taste or texture.
Will Sunfiber cause gas or bloating?
The brand says it ferments slowly and is low FODMAP certified, so it is typically well tolerated by sensitive stomachs.
How much fiber is in a serving of Tomorrow's Nutrition Sunfiber?
Each serving has 6 grams of soluble fiber, with 30 servings per canister.
Does Sunfiber help with diarrhea too?
Yes. The listing says it helps with both occasional constipation and diarrhea.