BioStacks
BioSpec Nutritionals

Glucose-IR

4 Veggie Caps · 30 servings · $2.33/serving

iHerbAmazon

Best for

Metabolism

Ingredients (5)

Biotin

100%

Dose

10000 mcg

Target

1000–5000 mcg

Form

—

Berberine HCl

100%

Dose

1000 mg

Target

500–1500 mg

Form

Standard

Cinnamon Extract

100%

Dose

500 mg

Target

250–1000 mg

Form

—

GTF Chromium

100%

Dose

600 mcg

Target

200–1000 mcg

Form

Premium

Mulberry Leaf Extract

100%

Dose

1200 mg

Target

250–1000 mg

Form

—

Other Ingredients (1)

Microcrystalline CelluloseBinder

Plant-derived cellulose used as a binder and filler in supplements

How to Take It

Take it anytime

What's in this is easier on the stomach taken with food.

With food

On the label

Take 2 capsules before AM meal and 2 capsules before PM meal, or as directed by your healthcare professional.

General guidance based on the ingredients, not a substitute for the label or your doctor.

Price Check

$70.00

$20$50

Pricier than 96% of 90 berberine HCl supplements

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Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).

This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.

The score analyzes what's on the label: ingredient doses vs. clinical ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.

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