GNC Preventive Nutrition Healthy Blood Sugar Formula supplement bottle
GNC Preventive Nutrition

Healthy Blood Sugar Formula

What We Researched
10 active ingredients analyzed · 15 inactive ingredients decoded · 2 retailers compared · Last updated: Mar 2026
45
Product Score Poor
59
Brand Score Poor

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin D (as Cholecalciferol, Vitamin D3) 7.5 mcg 38%
Calcium 95 mg 7%
Zinc (as Zinc Oxide) 3 mg 27%
Chromium (as Chromium Chloride) 100 mcg 286%
Reducose (as Mulberry Leaf Extract) 250 mg
Cinnamon bark extract 150 mg
Alpha-Lipoic Acid 100 mg
Bitter Melon fruit powder 100 mg
Gymnema sylvestre Leaf Extract 100 mg
Vanadium (as Sodium Metavanadate) 25 mcg
Bioavailability Good

Absorption Rating

  • Vitamin D (as Cholecalciferol, Vitamin D3) Good
  • Calcium Good
  • Zinc (as Zinc Oxide) Poor
  • Chromium (as Chromium Chloride) Poor
  • Reducose (as Mulberry Leaf Extract) Good
  • Cinnamon bark extract Fair
  • Alpha-Lipoic Acid Fair
  • Bitter Melon fruit powder Good
  • Gymnema sylvestre Leaf Extract Good
  • Vanadium (as Sodium Metavanadate) Poor
Other Ingredients Very Poor

Fillers & Additives

  • Tricalcium Phosphate
  • Microcrystalline Cellulose
  • Croscarmellose Sodium
  • Magnesium Stearate
  • Calcium Silicate
  • Silicon Dioxide
  • Guar Gum
  • Hydroxypropylmethylcellulose
  • Acetoglycerides
  • Polyethylene Glycol Low
  • Carnauba Wax
  • Polysorbate 80 Medium
  • Titanium Dioxide High
  • Caramel
  • Talc High
Efficacy Poor

Dosage Analysis

  • Vitamin D (as Cholecalciferol, Vitamin D3) 7.5 mcg Under-dosed
  • Calcium 95 mg Under-dosed
  • Zinc (as Zinc Oxide) 3 mg Under-dosed
  • Chromium (as Chromium Chloride) 100 mcg Effective
  • Reducose (as Mulberry Leaf Extract) 250 mg Effective
  • Cinnamon bark extract 150 mg Under-dosed
  • Alpha-Lipoic Acid 100 mg Under-dosed
  • Bitter Melon fruit powder 100 mg Under-dosed
  • Gymnema sylvestre Leaf Extract 100 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Vitamin D (as Cholecalciferol, Vitamin D3) 7.5 mcg 38%
Calcium 95 mg 7%
Zinc (as Zinc Oxide) 3 mg 27%
Chromium (as Chromium Chloride) 100 mcg 286%
Reducose (as Mulberry Leaf Extract) 250 mg
Cinnamon bark extract 150 mg
Alpha-Lipoic Acid 100 mg
Bitter Melon fruit powder 100 mg
Gymnema sylvestre Leaf Extract 100 mg
Vanadium (as Sodium Metavanadate) 25 mcg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Tricalcium Phosphate Safe

Prevents clumping and provides supplemental calcium.

Microcrystalline Cellulose Safe

Adds bulk to small-dose supplements to make tablets/capsules a manageable size.

Croscarmellose Sodium Safe

Helps tablets break apart and dissolve quickly in the stomach.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Calcium Silicate Safe

Prevents ingredient clumping during manufacturing.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Guar Gum Safe

Thickens and provides fiber in supplement formulations.

Hydroxypropylmethylcellulose Unknown
Acetoglycerides Unknown
Polyethylene Glycol Caution

It is used as a binder, coating agent, or to improve solubility.

Carnauba Wax Safe

Provides a glossy, protective coating on tablets.

Polysorbate 80 Caution

Helps mix oil and water-based ingredients.

Titanium Dioxide Caution

Used as a whitening agent in tablet coatings and capsules.

Caramel Generally_safe

It is used to impart a brown color to supplements.

Talc Avoid

It is used to improve powder flow and prevent clumping.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$47$46$45$44$43 Mar 12 $44.99
GNC

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
GNC Preventive Nutrition

Founded 1935 · Pittsburgh, Pennsylvania, USA · 53 products · gnc.com

Transparency

3 claims
Third Party Testing Claim — Claimed Source
In House Testing — Claimed
Related Supplements
Frequently Asked Questions
Is GNC Preventive Nutrition Healthy Blood Sugar Formula a good supplement?

GNC Preventive Nutrition Healthy Blood Sugar Formula received a product quality score of 45/100 in GoodSupp's independent analysis, indicating several areas of concern that consumers should review. The product contains 10 active ingredients with 60 servings per container. Of the 15 inactive ingredients, 8 are rated safe and 3 are flagged for review. The manufacturer, GNC Preventive Nutrition, holds a brand trust score of 59/100.

What are the ingredients in GNC Preventive Nutrition Healthy Blood Sugar Formula?

GNC Preventive Nutrition Healthy Blood Sugar Formula contains 10 active ingredients: Vitamin D (as Cholecalciferol, Vitamin D3) (7.5 mcg), Calcium (95 mg), Zinc (as Zinc Oxide) (3 mg), Chromium (as Chromium Chloride) (100 mcg), Reducose (as Mulberry Leaf Extract) (250 mg), Cinnamon bark extract (150 mg), and 4 more. Notable high-dose ingredients include Chromium at 286% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is GNC Preventive Nutrition Healthy Blood Sugar Formula safe to take?

GNC Preventive Nutrition Healthy Blood Sugar Formula has been analyzed for ingredient safety across all its components. Of 15 inactive ingredients, 8 are rated safe. 3 ingredients are flagged for review: Polyethylene Glycol, Polysorbate 80, Titanium Dioxide. 'Caution' doesn't mean dangerous — it indicates the ingredient has some considerations worth being aware of, such as potential sensitivities or ongoing research. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is GNC Preventive Nutrition a trustworthy supplement brand?

GNC Preventive Nutrition receives a brand trust score of 59/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1935 and headquartered in Pittsburgh, Pennsylvania, USA, the company offers 53 products in their lineup.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.