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Optimum Nutrition Thermo Cuts supplement bottle
Optimum Nutrition

Thermo Cuts Review

What We Researched
2 active ingredients analyzed · 5 inactive ingredients decoded · 10 brand certifications checked · Page generated: Sep 2026
100
Product Score Excellent
100
Brand Score Excellent

Two independent scores — the product and the brand behind it, never blended into one number. See our methodology.

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Chromium (as Chromium Polynicotinate) 300 mcg 250%
Proprietary ThermoCuts Blend 2.97 g †
Bioavailability Excellent

Absorption Rating

  • Chromium (as Chromium Polynicotinate) Good
Other Ingredients Excellent

Fillers & Additives

  • Hypromellose
  • Di-Calcium Phosphate
  • Magnesium Stearate
  • Stearic Acid
  • Silica
Efficacy Excellent

Dosage Analysis

  • Chromium (as Chromium Polynicotinate) 300 mcg Effective

Supplement Facts

Ingredient Amount % Daily Value
Chromium (as Chromium Polynicotinate) 300 mcg 250%
Proprietary ThermoCuts Blend 2.97 g †

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Hypromellose Safe

Forms vegetarian capsule shells. Dissolves easily in the stomach.

Di-Calcium Phosphate Generally_safe

It is used as a filler or source of calcium and phosphorus.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Brand Trust Report
Optimum Nutrition

Founded 1986 · Downers Grove, IL, United States · 311 products · optimumnutrition.com

Certifications

10 certifications
Consumerlab Source available Primary evidence
Informed Sport Source available Primary evidence
Labdoor Source available Primary evidence
Nsf Certified For Sport Source available Primary evidence
Usda Organic Source available Primary evidence
Vegan Certified Source available Primary evidence
Fda Gmp Inspections Source available Primary evidence
Non Gmo Project Source available Primary evidence
Nsf Gmp Source available Primary evidence
Informed Choice Supporting evidence unavailable

Transparency

5 claims
Third Party Testing Claim — Verified Evidence available Evidence
Testing Lab Disclosure — Claimed Evidence available Evidence
In House Testing — Verified Evidence available Evidence
Contains Proprietary Blend — True Brand claim; evidence unavailable

Violation History

5 incidents
Prop 65 Lead2025-07-21 Source available Primary source
Prop 65 Lead2024-11-22 Source available Primary source
Recall Various nutritional and beverage products2022-07-28 Source available Primary source
Prop 65 Lead2017-03-10 Source available Primary source
Lawsuit Deceptive claims about the plant-based enzyme 'Aminogen' and its effect on protein digestion and absorption.2013 Source available Primary source
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Frequently Asked Questions
Is Optimum Nutrition Thermo Cuts a good supplement?

Optimum Nutrition Thermo Cuts received a product quality score of 100/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 2 active ingredients with 25 servings per container. All 5 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Optimum Nutrition, holds a brand trust score of 100/100.

What are the ingredients in Optimum Nutrition Thermo Cuts?

Optimum Nutrition Thermo Cuts contains 2 active ingredients: Chromium (as Chromium Polynicotinate) (300 mcg), Proprietary ThermoCuts Blend (2.97 g). Notable high-dose ingredients include Chromium at 250% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Optimum Nutrition Thermo Cuts safe to take?

GoodSupp reviewed the inactive-ingredient data available for Optimum Nutrition Thermo Cuts. All 5 inactive ingredients — including capsule materials, fillers, and binders — are currently classified as safe in GoodSupp's ingredient reference data. This label analysis cannot determine whether the product is safe for a particular person, and source labels may change. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Optimum Nutrition a trustworthy supplement brand?

Optimum Nutrition receives a brand trust score of 100/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1986 and headquartered in Downers Grove, IL, United States, the company offers 311 products in their lineup. Note: Optimum Nutrition has 5 historical regulatory incidents on record, which are factored into the trust score.

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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 — read our methodology. 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.