Natrol Carb Intercept with Phase 2 White Kidney Bean Extract bottle

Natrol Carb Intercept with Phase 2 White Kidney Bean Extract Review

A dietary supplement featuring Phase 2 White Kidney Bean Extract, designed to support weight management by neutralizing the digestive enzyme alpha-amylase, which may delay the digestion and absorption of carbohydrates.

More ▾Less ▴

Product Focus: Weight and Metabolism for WomenAlso covers:DigestionHormones

Tier ⓘ

Members

Members see this product's tier and why. Tiers run from 1, the strongest evidence, to 5. How we grade →

Evidence ⓘ

Members

How strongly the evidence says this product works: human studies count most, then real reviews, then our biohacker panel.

Positive Reviews

Members

Biohacker Mentions

Members

Cost per month

$28

+ Add to Protocol Ask Rala about it

Study, Trial or Testing Result SummaryMembersHuman studies

The main ingredient here, white kidney bean extract, is included at 1000 milligrams a day, the 100 milligrams that in one study. A 2026 review of eight trials in 543 overweight adults found it weight by about 1.6 kilograms, along with fat mass and waist and hip size. …

Members see the full analysis, checked against their own meds and goals. Start My 7-Day Free Trial →

Review Totals and SummaryMembers116 reviews

116 reviews · Kroger 73 · Walgreens 43

Based on real user feedback from platforms like Kroger and Walgreens, Natrol Carb Intercept with Phase 2 White Kidney Bean Extract has developed a generally reputation, with the of reviewers expressing . people taking the supplement note that it feels like an easy addition to their routines—users frequently mention how convenient it is to take, with noticeable aftertaste or discomfort. …

Members see the full analysis, checked against their own meds and goals. Start My 7-Day Free Trial →

Biohacker SummaryMembersWhat our biohacker panel says

one on the panel said they use it, gave a dose, or named anything to pair it with. Calcium, a smaller ingredient in this product, drew views: it for bone and a couple take it, while others against calcium carbonate or say whole foods are than pills. …

Members see the full analysis, checked against their own meds and goals. Start My 7-Day Free Trial →

RAL SummaryMembersThe tier and why

This product is rated for the goal because white kidney bean extract, given at a dose, led to weight in reviews of trials, including one of 573 people and one of 543 people. The calcium and chromium add little, as the chromium is underdosed and neither showed weight in women.

Members see the full analysis, checked against their own meds and goals. Start My 7-Day Free Trial →

More DetailsMembersBody systems · Combine with · Possible side effects

Body systems: Digestive system, Metabolic system, Endocrine system. Combine with and possible side are for members.

Members see the full analysis, checked against their own meds and goals. Start My 7-Day Free Trial →

Supplement FactsCalcium 190 mg · Chromium 40 mcg · Phase 2 Carb Controller Complex 1000 mg

Supplement Facts

Serving Size 2 Capsules

Servings Per Container 30

Amount Per Serving% Daily Value

Calcium (from Dibasic Calcium Phosphate)	190 mg	15%
Chromium (from Foodbond Chromium)	40 mcg	115%
Phase 2 Carb Controller Complex (White Kidney Bean Extract)(Phaseolamin Vulgaris)	1,000 mg	†

† Daily Value not established.

Directions: For optimal effect, take 2 capsules, before each of your starch-heavy meals. Do not exceed 4 capsules per day.

Label source: the brand's label · Report a label change

Where to BuyWalgreens · Kroger · Heb

WalgreensBuy ↗

KrogerBuy ↗

HebBuy ↗

We sell no supplements. Prices change; check the store.

Graded October 23, 2026 by the Reverse Age Lab evidence engine, from human studies, real reviews and our biohacker panel. How we grade. Is this medical advice? No. Rala organizes the published evidence; go over any change with your doctor, especially if you take meds.