Our rankings are generated through the algorithmic analysis of thousands of customer reviews about products, brands, merchant customer service levels, popularity trends, and more. We use advanced technology, including AI, to help process and organize this information at scale, supporting our analysis with greater speed and consistency. The rankings reflect our opinion and should be a good starting point for shopping.
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10 Best carbohydrate blocker supplements of 2026
Save up to 29% off
Best Choice1
Zazzee9.8Exceptional
Zazzee White Kidney Bean 10:1 Extract, 1800 mg per Serving, 200 Capsules
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asin:B07SJ8C9W5
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product dimensions:2.8 x 2.8 x 5.25 inches 0.26 ounces
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date first available:May 30, 2019
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manufacturer:Zazzee Naturals
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country of origin:USA
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Value for Money2
Irwin Naturals9.7Exceptional
Irwin Naturals 3-in-1 Carb Blocker Maximum Strength Metabolism Support
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asin:B00B7140QQ
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product dimensions:3.3 x 3.3 x 5.5 inches 1.11 Pounds
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date first available:March 14, 2013
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manufacturer:Irwin Naturals
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country of origin:N/A
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3
Irwin Naturals9.6Exceptional
Irwin Naturals 3-in-1 Carb Blocker Maximum Strength Metabolism Support
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4
Maximum Slim9.5Excellent
Maximum Slim Fat & Carb Blocker Pure Kidney Bean Extract for Weight Loss and Appetite Suppressant,
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asin:B00EJPZDT0
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product dimensions:1 x 1 x 3 inches 2.4 ounces
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date first available:August 14, 2013
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manufacturer:Maximum Slim
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country of origin:N/A
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5
Pharmaganics9.4Excellent
Pharmaganics Carb & Sugar Blocker - Mega Dose of Berberine & Gymnena Supplement - Take with Meals to Reduces Digested Carbs & Weight
29% Off-
asin:B07R7YZ9TP
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product dimensions:N/A
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date first available:April 29, 2019
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manufacturer:Pharmaganics
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country of origin:N/A
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6
Arazo Nutrition9.3Excellent
Arazo Nutrition White Kidney Bean Extract - 100% Pure Carb Blocker and Fat Absorber for Weight Support - Intercept Carbs
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asin:B01IOS2IRC
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product dimensions:2.25 x 2.25 x 4 inches 2.6 ounces
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date first available:July 19, 2016
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manufacturer:Arazo Nutrition
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country of origin:N/A
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7
NOW Foods9.2Excellent
NOW Supplements, Phase 2® (White Kidney Bean Extract) 500 mg, Weight Management*, 120 Veg Capsules
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asin:B0013OXFQ8
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product dimensions:6 x 5 x 4 inches 3.36 ounces
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date first available:December 21, 2010
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manufacturer:NOW Sports - Nutrition and Wellness
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country of origin:USA
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8
Irwin Naturals9.0Excellent
Irwin Naturals 3-in-1 Carb Blocker Maximum Strength 2 Pack
10% Off
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9
BioGenetic Laboratories8.9Very Good
BioGenetic Laboratories Carb Blocker X7-90 Capsules (30 Servings)
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asin:B086WMDW38
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product dimensions:N/A
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date first available:October 10, 2021
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manufacturer:BioGenetic Laboratories
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country of origin:N/A
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10
GNC8.8Very Good
GNC Total Lean Phase 2 Carb Controller, Decreases Calorie Impact from Carbohydrates, 120 Capsules
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asin:B00B9OQ1PE
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product dimensions:1 x 1 x 1 inches 4.16 ounces
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date first available:April 12, 2019
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manufacturer:GNC
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country of origin:USA
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