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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 · Page generated: Sep 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 Source available Primary evidence
Nsf Gmp Source available Primary evidence
Fda Gmp Inspections Source available Primary evidence

Transparency

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

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).2025-06-12 Source available Primary source
Prop 65 Lead, Cadmium2019-01-07 Source available Primary source
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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, 9 are rated safe and 0 ingredients are flagged for review. The manufacturer, Rule 1 Proteins, holds a brand trust score of 92/100.

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

GoodSupp reviewed the inactive-ingredient data available for Rule 1 Proteins Micellar Casein, 25 g. 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 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, 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.