NOW Foods Phase 2 White Kidney Bean Extract 500 mg Review

NOW Foods Phase 2® 500 mg Veg Capsules are specifically formulated for weight management, offering a non-stimulant approach to carbohydrate control. This innovative product features PHASE 2®, a specialized white kidney bean extract, which functions by helping to delay the breakdown of dietary starches. It achieves this by limiting the action of alpha-amylase, a key digestive enzyme responsible for starch digestion. By effectively reducing the activity of this enzyme, the supplement aims to diminish the absorption and utilization of carbohydrates derived from starchy foods. Clinical studies have indicated that when PHASE 2® is integrated into a comprehensive weight loss regimen that includes a sensible diet and consistent exercise, it can be a supportive tool in achieving personal weight management goals. It is worth noting that natural color variation may occur in this product, which is a normal characteristic. For optimal results, adults are advised to take 3 capsules daily before consuming any meal that contains complex carbohydrates or starches, or as directed by a qualified healthcare practitioner. To maintain product integrity, store the capsules in a cool, dry place after opening. This supplement is intended exclusively for adult use. Individuals who are pregnant, nursing, currently taking medication, or have pre-existing medical conditions, particularly diabetes or hypoglycemia, should consult with a physician prior to incorporating this product into their routine. Always ensure the product is kept out of reach of children. The capsules are crafted with Hypromellose (cellulose capsule) and include other ingredients such as Gum Arabic, Microcrystalline Cellulose, Stearic Acid (vegetable source), and Ascorbyl Palmitate. NOW Foods emphasizes that this product is not manufactured with common allergens like yeast, wheat, gluten, soy, milk, egg, fish, shellfish, tree nut, or sesame ingredients, although it is produced in a GMP facility that handles other ingredients containing these allergens. The product is proudly made and quality tested in the USA, utilizing globally sourced ingredients. Furthermore, the bottle itself demonstrates environmental responsibility, being made from 100% PCR (post-consumer recycled) resin. PHASE 2® is a registered trademark used under license. It is important to remember that these statements have not been evaluated by the Food and Drug Administration, and this product is not intended to diagnose, treat, cure, or prevent any disease. The product is certified Halal, Kosher (Triangle K), Non-GMO, Intertek GMP Supplement Certified, and Vegan, also supporting RePurpose Global initiatives.

Product Focus: Weight and Metabolism for WomenAlso covers:Digestion
Tier ⓘ
Members see this product's tier and why. Tiers run from 1, the strongest evidence, to 5. How we grade →
Evidence ⓘ
How strongly the evidence says this product works: human studies count most, then real reviews, then our biohacker panel.
Positive Reviews
Biohacker Mentions
Cost per month
$26
Study, Trial or Testing Result SummaryMembersHuman studies

This product's only studied ingredient, white kidney bean extract, is listed in a blend with amount shown, so we cannot tell whether you get the dose used in the studies. Across eight placebo-controlled trials with 543 overweight adults, the extract weight by about 1.6 kilograms, along with fat mass and waist and hip size. …

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Review Totals and SummaryMembers4,552 reviews
4,552 reviews · IHerb 4,167 · Amazon 378 · Walmart 6 · SameDaySupplements 1

The customer feedback for NOW Supplements Phase 2 White Kidney Bean Extract is extremely , with only three reviews available, making it challenging to derive extensive qualitative themes. However, the existing feedback offers a glimpse into user experiences. …

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Biohacker SummaryMembersWhat our biohacker panel says

That person is on it, neither it nor against it. They say the extract can block some digestion of carbohydrates, but it does seem to cause weight on a normal diet because the body still absorbs almost the calories in a different form. …

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RAL SummaryMembersThe tier and why

This sits at the reviews tier because of its 4552 counted reviews are , while the studies show only a weight and the dose in this product is hidden in a blend. Reviews pooling trials found about 1 to 1.6 kilograms of extra , but one judged this too to matter.

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More DetailsMembersBody systems · Combine with · Possible side effects

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

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Supplement FactsPhase 2® Starch Neutralizer 0
Supplement Facts
Serving Size 3 Veg Capsules
Servings Per Container 40
Amount Per Serving% Daily Value
Phase 2® Starch Neutralizer (White Kidney Bean Extract) (Phaseolus vulgaris)0†
† Daily Value not established.

Directions: Take 3 capsules before any meal containing complex carbohydrates or starches, or as directed by a healthcare practitioner.

Barcode (UPC) 733739030214 · Label source: the brand's label · Report a label change

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.