Rule 1 Proteins Micellar Casein, 25 g supplement bottle
Rule 1 Proteins

Micellar Casein, 25 g Review

What We Researched
· 10 inactive ingredients decoded · 3 brand certifications checked · Last updated: Aug 2026
100
Product Score Excellent
92
Brand Score Excellent

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

Product Analysis

Transparency Fair

Supplement Facts

No supplement facts data available.

Bioavailability N/A

Absorption Rating

No ingredient forms matched our reference database.

Other Ingredients Excellent

Fillers & Additives

  • Cocoa Processed with Alkali
  • Natural
  • Artificial Flavors
  • Salt
  • Cellulose Gum
  • Xanthan Gum
  • Sucralose
  • Acesulfame Potassium
  • Soy Lecithin
  • Sunflower Lecithin
Efficacy N/A

Dosage Analysis

Dosage data not available for assessment.

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Cocoa Processed with Alkali Generally_safe

It is added to supplements to provide flavor and color.

Natural Unknown
Artificial Flavors Generally_safe

Added to improve taste.

Salt Safe

It is used as a flavoring agent.

Cellulose Gum Safe

Thickens and stabilizes supplement formulations.

Xanthan Gum Safe

Thickens and stabilizes liquid and semi-solid supplements.

Sucralose Generally_safe

Adds sweetness to chewables, gummies, and powdered supplements without calories.

Acesulfame Potassium Generally_safe

It is used to provide sweetness without adding calories.

Soy Lecithin Safe

Helps blend oil and water-based ingredients. Common allergen.

Sunflower Lecithin Safe

Helps mix oil and water-based ingredients. Allergen-free alternative to soy lecithin.

Brand Trust Report
Rule 1 Proteins

Founded 2014 · Aurora, IL, United States · ruleoneproteins.com/

Certifications

3 certifications
Informed Sport Verified Source
Nsf Gmp Verified Source
Fda Gmp Inspections Verified Source

Transparency

4 claims
Third Party Testing Claim — Verified Source
Testing Lab Disclosure — Verified Source
In House Testing — Verified Source

Violation History

2 incidents
Fda Warning Sale of an unregistered food product (RULE 1 Whey Blend 100% Whey Protein Naturally Rich in BCAAs Protein Powder Drink Mix Toasted Cinnamon Cereal).2025-06-12Source
Prop 65 Lead, Cadmium2019-01-07Source
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Frequently Asked Questions
Is Rule 1 Proteins Micellar Casein, 25 g a good supplement?

Rule 1 Proteins Micellar Casein, 25 g received a product quality score of 100/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. with 8 servings per container. Of the 10 inactive ingredients, 5 are rated safe and 0 are flagged for review. The manufacturer, Rule 1 Proteins, holds a brand trust score of 92/100 with 3 verified certifications including Informed Sport, Nsf Gmp, Fda Gmp Inspections.

Is Rule 1 Proteins Micellar Casein, 25 g safe to take?

Rule 1 Proteins Micellar Casein, 25 g has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Rule 1 Proteins a trustworthy supplement brand?

Rule 1 Proteins receives a brand trust score of 92/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2014 and headquartered in Aurora, IL, United States, They hold 3 verified certifications including Informed Sport, Nsf Gmp, Fda Gmp Inspections. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Rule 1 Proteins has 2 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.