CarbLite® (White Kidney Bean Carb Blocker)

Phaseolus vulgaris
Evidence Level
Limited
1 Clinical Trial
3 Documented Benefits
2/5 Evidence Score

CarbLite® is a white kidney bean (Phaseolus vulgaris) extract standardized for phaseolamin, an alpha-amylase inhibitor. By temporarily slowing the digestion of starch, it reduces the sugar and calories absorbed from starchy meals, supporting weight and carbohydrate management.

Studied Dose Commonly 500 mg to 1 g before starchy meals.
Active Compound White kidney bean (Phaseolus vulgaris) extract containing alpha-amylase-inhibiting phaseolamin.

Benefits

Carbohydrate blocking

By inhibiting starch-digesting alpha-amylase, the extract reduces the sugar and calories absorbed from starchy foods.

Weight management

White kidney bean alpha-amylase inhibitors have supported weight and fat loss in randomized research as part of a calorie-controlled approach.

Post-meal glucose support

Slower starch digestion blunts the rise in blood sugar after a starchy meal.

Mechanism of action

1

Alpha-amylase inhibition

Phaseolamin binds and temporarily inactivates alpha-amylase, slowing the breakdown of starch into absorbable sugars.

2

Reduced caloric absorption

With less starch digested in the small intestine, some passes onward undigested, lowering the meal's effective calorie load.

Clinical trials

1
White Kidney Bean and Weight — RCT
PubMed

12-week double-blind placebo-controlled randomized trial of a white kidney bean alpha-amylase inhibitor on weight and fat loss. (Jäger et al. 2024, Scientific Reports)

Adults.

The white kidney bean inhibitor promoted weight and fat loss versus placebo with acceptable safety.

Side effects and drug interactions

Common Potential side effects

GENERALLY WELL-TOLERATED — digestive symptoms are most common.
Mild gas, bloating, or loose stools can occur from undigested starch.
Take with starchy meals to assess tolerance.

Important Drug interactions

Diabetes medication — may add to blood-sugar lowering; monitor.
Take with starchy meals, not protein or fat meals, for the intended effect.
Tell your doctor if you manage blood sugar with medication.

Frequently asked questions about CarbLite® (White Kidney Bean Carb Blocker)

What is CarbLite® (White Kidney Bean Carb Blocker)?

CarbLite® is a white kidney bean (Phaseolus vulgaris) extract standardized for phaseolamin, an alpha-amylase inhibitor. By temporarily slowing the digestion of starch, it reduces the sugar and calories absorbed from starchy meals, supporting weight and carbohydrate management.

What is the recommended dosage of CarbLite® (White Kidney Bean Carb Blocker)?

The clinically studied dose for CarbLite® (White Kidney Bean Carb Blocker) is Commonly 500 mg to 1 g before starchy meals.. Always follow product labeling and consult a healthcare provider for personalized dosing recommendations.

What is CarbLite® (White Kidney Bean Carb Blocker) used for?

CarbLite® (White Kidney Bean Carb Blocker) is studied for carbohydrate blocking, weight management, post-meal glucose support. By inhibiting starch-digesting alpha-amylase, the extract reduces the sugar and calories absorbed from starchy foods.

Are there side effects from taking CarbLite® (White Kidney Bean Carb Blocker)?

Reported potential side effects may include: GENERALLY WELL-TOLERATED — digestive symptoms are most common. Mild gas, bloating, or loose stools can occur from undigested starch. Always consult a healthcare provider before starting any new supplement, especially if you have underlying conditions or take medications.

Is CarbLite® (White Kidney Bean Carb Blocker) safe to take?

Whether CarbLite® (White Kidney Bean Carb Blocker) is safe depends on the dose, your overall health, and any medications you take. At studied doses, reported side effects can include: GENERALLY WELL-TOLERATED — digestive symptoms are most common. It may also interact with certain medications. CarbLite® (White Kidney Bean Carb Blocker) is not suitable for everyone — consult a healthcare provider before use if you are pregnant or breastfeeding, have a medical condition, or take prescription medications.

References(1 citations)

Evidence ratings on NutraSmarts are based on the totality of human clinical research, with emphasis on randomized controlled trials, meta-analyses, and systematic reviews. The references below directly support claims made throughout this page.

  1. Jäger R, Abou Sawan S, Purpura M, et al. Proprietary alpha-amylase inhibitor formulation from white kidney bean (Phaseolus vulgaris L.) promotes weight and fat loss: a 12-week, double-blind, placebo-controlled, randomized trial. Sci Rep. 2024;14(1):12685..PubMedUsed to support: RCT supporting weight benefit of white kidney bean extract (the basis of CarbLite).