Tomorrow's Nutrition Sunfiber Prebiotic Guar Dietary Fiber Supplement Powder - 7.4 oz
$24.99 ($3.38/ounce)
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$29.99($7.21/ounce)
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4.4 out of 5 stars with 209 ratings
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4.8 out of 5 stars with 624 reviews
effectiveness: 5 out of 5
quality: 5 out of 5
value: 4.4 out of 5
75% would recommend
8 recommendations
5 out of 5 stars
27 March, 2026
originally posted on Tomorrows Nutrition
Great for Fodmap Issues
[This review was collected as part of a promotion.] I have Fodmap issues, and a nutritionist recommended this because it is low-Fodmap. It has significantly helped!
4 out of 5 stars
6 March, 2026
originally posted on Tomorrows Nutrition
Easy to take
[This review was collected as part of a promotion.] Tasteless and easy with my morning coffee. Sometimes doesn't dissolve completely but not enough to be a problem
3 out of 5 stars
4 March, 2026
originally posted on Tomorrows Nutrition
Some improvement for a few
[This review was collected as part of a promotion.] Some improvement for a few days then a decline. At this point I am not using for the last four days.
1 out of 5 stars
27 February, 2026
originally posted on Tomorrows Nutrition
Treating for sibo
[This review was collected as part of a promotion.] Unfortunately I had a bad reaction to this. Felt terrible, bloating, cramps and headaches- had to stop taking it immediately.
5 out of 5 stars
25 February, 2026
originally posted on Tomorrows Nutrition
Simple and effective
[This review was collected as part of a promotion.] Sunfiber is easy to use, simple to take and gentle and effective. I am very glad that I have learned about it. It is much easier to use and tolerate than other fiber supplements.
5 out of 5 stars
23 February, 2026
originally posted on Tomorrows Nutrition
Mixes easily, has no taste.
[This review was collected as part of a promotion.] I love this brand of sun fiber! I tried a different brand and it didn't mix nearly as well, there was always sediment along the sides of the glass and the bottom. This one mixes very easily and has no taste!
5 out of 5 stars
23 February, 2026
originally posted on Tomorrows Nutrition
Best fiber I have used!
[This review was collected as part of a promotion.] Doesn't make me feel bloated or any discomfort compared to other fiber powders.
5 out of 5 stars
21 February, 2026
originally posted on Tomorrows Nutrition
IBS fiber needs
[This review was collected as part of a promotion.] After 2 months trying the Sunfiber, my chronic IBS bloat is better. Still need to fine tune the dosage, but definitely easier on my gut than other fibers.
5 out of 5 stars
21 February, 2026
originally posted on Tomorrows Nutrition
Easy to take daily fiber
[This review was collected as part of a promotion.] This powder is one of the few I can take every day and doesn’t upset my stomach
5 out of 5 stars
20 February, 2026
originally posted on Tomorrows Nutrition
Great Product!
[This review was collected as part of a promotion.] Been using SunFiber for a year now and have had great results! I blend it with my protein shake every morning with no clumping and it tastes great!
5 out of 5 stars
18 February, 2026
originally posted on Tomorrows Nutrition
The very smooth texture and
[This review was collected as part of a promotion.] The very smooth texture and lack of taste makes it quite palatable. As far as I can tell, it seems to be working well. I am so thankful for a low FODMAP choice, finally!
5 out of 5 stars
12 February, 2026
originally posted on Tomorrows Nutrition
The best fiber supplement
[This review was collected as part of a promotion.] I love this product. Tasteless and dissolves perfectly! Good price, too.
5 out of 5 stars
10 February, 2026
originally posted on Tomorrows Nutrition
Sunfiber
[This review was collected as part of a promotion.] Product works great. Easy to mix in with any drink and does not change the taste.
5 out of 5 stars
2 February, 2026
originally posted on Tomorrows Nutrition
Easy to mix
[This review was collected as part of a promotion.] Easy to mix, no flavor so easy to add to any drink, overall satisfied!
5 out of 5 stars
31 January, 2026
originally posted on Tomorrows Nutrition
I like Sun Fiber, It
[This review was collected as part of a promotion.] I like Sun Fiber, It doesn’t bother my stomach and is easy to take.
5 out of 5 stars
31 January, 2026
originally posted on Tomorrows Nutrition
Great product
[This review was collected as part of a promotion.] Great fiber product. It mixes easy. It's very effective. I highly recommended.
5 out of 5 stars
29 January, 2026
originally posted on Tomorrows Nutrition
You'll regret not trying it sooner!
[This review was collected as part of a promotion.] Sunfiber is the only supplement that cures my stubborn IBS-C. Along with a diet avoiding foods that cause constipation, Sunfiber allows me to have daily predictable bowel movements and helps me feeling detoxed and regular. I am very grateful I discovered this product. Other forms of fiber such as hemp, chia, flax and various vegetables cause me gas and bloat but this is extremely gentle and gives me zero gas or bloat. I hear it's great for people with Sibo because of it's low chance of causing gas. I mix it into my oats every morning and the taste is undetectable. If you are desperate for relief, you must give this a chance. It's very affordable and the price is very reasonable. It took me 3 days to notice a drastic improvement.
5 out of 5 stars
25 January, 2026
originally posted on Tomorrows Nutrition
In love
[This review was collected as part of a promotion.] I was suggested to try this product and I’m not disappointed. I will buy this next time! I’m a forever customer.
5 out of 5 stars
24 January, 2026
originally posted on Tomorrows Nutrition
Works great!
[This review was collected as part of a promotion.] My son have struggled with constipation for a while. This product worked miracle.
4 out of 5 stars
23 January, 2026
originally posted on Tomorrows Nutrition
SunFiber sure helps!
[This review was collected as part of a promotion.] This product, along with other important ingredients (like flaxseed meal, powdered soy milk and Fiber One cereal) go into my morning health drink which definitely keeps me regular! The fact that the guar gum has been processed in a way where it dissolves easily, thickens and is tasteless, is a real plus!