Best Fiber Supplements
Compare 274+ Fiber supplements using our data-driven ranking system. We analyze value (cost per unit of active ingredient), potency (strength per serving), and convenience (pills per day) to help you find the best option for your needs.
Top Picks in Fiber
Best Overall
Nutricost, Organic Acacia Fiber Powder, Unflavored, 32.4 oz (907 g)
Nutricost
Score: 99
Best ValueSunwarrior, Harvest, Organic Psyllium Husk Powder, 11.64 oz (330 g)
Sunwarrior
$0.30/serving
Highest PotencyNutricost, Organic Acacia Fiber Powder, Unflavored, 32.4 oz (907 g)
Nutricost
1000G/serving
All Fiber Products (274)
Nutricost
Nutricost, Organic Acacia Fiber Powder, Unflavored, 32.4 oz (907 g)
Score: 99$0.08/srv
★4.7(378)
Nutricost
Nutricost, Psyllium Husk, Unflavored, 24.3 oz (680 g)
Score: 99$0.04/srv
★5.0(2)
Micro Ingredients
Micro Ingredients, Organic Whole Psyllium Husks, 3 lb (1.36 kg)
Score: 99$0.24/srv
★4.5(146)
Nutricost
Nutricost, Psyllium Husk, Unflavored, 16.2 oz (454 g)
Score: 99$0.04/srv
★4.7(63)
The Vitamin Shoppe
The Vitamin Shoppe, Psyllium Husks, 600 Capsules (720 mg per Capsule)
Score: 98$0.07/srv
★4.7(98)
The Vitamin Shoppe
The Vitamin Shoppe, Psyllium Husks, 300 Capsules (720 mg per Capsule)
Score: 98$0.07/srv
★4.7(98)
KOS
KOS, Organic Inulin Powder, 11.85 oz (336 g)
Score: 98$0.18/srv
★4.7(596)
The Vitamin Shoppe
The Vitamin Shoppe, Psyllium Husks, 100 Capsules (720 mg per Capsule)
Score: 98$0.12/srv
★4.7(98)
Sprout Living
Sprout Living, Organic Prebiotic Inulin, Superfood Powder, 1 lb (454 g)
Score: 98$0.22/srv
★4.8(251)
Micro Ingredients
Micro Ingredients, Organic MCT Oil Powder with Prebiotic Fiber, 1 lb (454 g)
Score: 97$0.67/srv
★4.8(229)
Sunwarrior
Sunwarrior, Organic Prebiotic Fiber, 7.4 oz (210 g)
Score: 97$0.60/srv
★4.5(95)
Swanson
Swanson, Inulin, Prebiotic Soluble Fiber, 8 oz (227 g)
Score: 97$0.27/srv
★4.7(561)
Swanson
Swanson, Prebiotic Jerusalem Artichoke, 400 mg, 60 Capsules
Score: 97$0.08/srv
★4.8(1,042)
Nutricost
Nutricost, Psyllium Husk, Whole Husk, Unflavored, 8 oz (227 g)
Score: 97$0.33/srv
★4.9(43)
Zahler
Zahler, CholestStall™, Advanced Cholesterol Formula, 30 Capsules
Score: 95$1.30/srv
★4.5(47)
Vitamatic
Vitamatic, Akkermansia, 60 DRCaps
Score: 95$0.42/srv
★4.7(1,398)
Vitamatic
Vitamatic, Bacillus Coagulans, 5 Billion CFU, 60 Vegetable Capsules
Score: 95$0.25/srv
★4.7(171)
Vitamatic
Vitamatic, Bacillus Subtilis, 60 DRcaps® Hypromellose Capsules
Score: 95$0.25/srv
★4.8(157)
Swanson
Swanson, Senna, Cascara & Psyllium Complex, 90 Capsules
Score: 95$0.06/srv
★4.6(396)
Vitamatic
Vitamatic, Clostridium Butyricum, 25 Million AFU, 60 DRcaps
Score: 95$0.40/srv
★4.6(117)
Showing 20 of 274 products