Fiber supplements compared by fiber per serving
Which fiber supplement has the most fiber per serving?
Of the 24 fiber supplements we compared, the most fiber per serving comes from MiraFiber Daily Fiber Gummies Mixed Fruit (8 g per 4 gummies), Now Foods Psyllium Husk Powder Unflavored (7 g per 1 level tbsp (9 g)) and Country Farms Fiber Care Gummies Mixed Fruit (6 g per 3 gummies). Every number is per serving as labeled.
24 fiber supplements, each linked to its nutrition label · Updated
-
1
MiraFiber
Daily Fiber Gummies Mixed Fruit
4 gummies
-
2
Now Foods
Psyllium Husk Powder Unflavored
1 level Tbsp (9 g)
-
3
Country Farms
Fiber Care Gummies Mixed Fruit
3 gummies
-
4
Fiber Advance
Fiber Gummies Mixed Fruit
3 gummies
-
5
Nature Made
Fiber Gummies Mixed Fruit
3 gummies
-
6
Benefiber
Fiber Powder Unflavored
4 tsp (8 g)
-
7
Supergut
Prebiotic Fiber Drink Mix Unflavored
1 scoop (7.8 g)
-
8
Benefiber
Sugar-Free Fiber Powder Unflavored
4 tsp (8 g)
-
9
Sunfiber
Sunfiber Powder Unflavored
7 grams
-
10
BelliWelli
Daily Fiber Gummies Watermelon
4 gummies
-
11
Up & Up
Fiber Gummies Mixed Berry
2 gummies
-
12
Metamucil
Fiber Gummies Orange
3 gummies
-
13
Olly
Fiber Gummy Rings Berry Melon
2 gummies
-
14
Vitafusion
Fiber Well Sugar-Free Gummies Berry, Peach & Strawberry
2 gummies
-
15
Konsyl
Psyllium Fiber Original
1 scoop (6 g)
-
16
BelliWelli
Daily Fiber & Probiotics Powder Sour Watermelon
1 scoop (11.3 g)
-
17
BelliWelli
Daily Fiber & Probiotics Powder Strawberry Lemonade
1 scoop (11.3 g)
-
18
BelliWelli
Daily Fiber & Probiotics Powder Variety Pack
1 stick (11.3 g)
-
19
Equate
Fiber Powder Unflavored
2 tsp (4 g)
3 g fiber
15 kcal · 0 g protein · 0 g sugar · 0 mg sodium
images.openfoodfacts.org · checked Sep 2026
-
20
Kirkland Signature
Optifiber Original
2 teaspoons (1 scoop)
-
21
Metamucil
Psyllium Fiber Powder Orange
1 rounded teaspoon
-
22
Equate
Psyllium Fiber Powder Orange
5.8 grams
-
23
Kirkland Signature
Psyllium Fiber Powder Orange
1 rounded tsp (5.8 g)
-
24
Metamucil
Psyllium Fiber Powder Original
1 rounded tsp (7 g)
How this list works
- What made the list. At least 3 g of fiber per serving, from the picks in Plenish's Explore tab.
- Per serving as labeled. One serving, the way the brand's nutrition label lists it. Flavors and recipes change, so check the label before you buy.
- Checked against the label. Each item links to the brand's nutrition label, a retailer page that shows it, or USDA FoodData Central for whole foods. Numbers were checked in September 2026.
- Not a health score. This is a comparison of what's on the label, not diet or medical advice. Plenish isn't paid by any brand on this list.
In the app
Log any of these in a tap
These picks are in Plenish's Explore tab. Search, scan a barcode or snap your plate, and see how much of today's protein, fiber and water goals is left.
Brand and product names are trademarks of their respective owners. Plenish is not affiliated with them.