Grade: C

MEDIUM RISK

Skinnygirl

Item: Skinnygirl
Rating: 50
Author: SupplementChecker

Skinnygirl has a SupplementChecker.co trust score of 50/100, which translates to a grade of C and a MEDIUM risk level. Skinnygirl does not appear to have any third-party testing certifications to verify the quality of their products. Consumers should carefully evaluate Skinnygirl reviews and product information before purchasing.

Skinnygirl Trust Summary

Trust Score: 50/100 (Fair)
Grade: C
Risk Level: MEDIUM
Third-Party Tested: No
FDA Recalls: 0
Adverse Events: 0

Skinnygirl has a trust score of 50/100 (Fair). The brand is not third-party tested by NSF, USP, or Informed Sport, has no FDA recalls on record and no adverse event reports.

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Red Flags

⚠No third-party testing certifications found
⚠No GMP certification visible

Verified Strengths

✓Clean FDA record — no warnings, recalls, or significant adverse events

Certifications

No certifications on record. This brand has not demonstrated GMP compliance or third-party testing verification.

FDA Record

FDA Warning Letters

Recalls

Adverse Reports

Clean record — no FDA warnings, recalls, or significant adverse events.

Is Skinnygirl Third-Party Tested?

No — Skinnygirl is not currently third-party tested by independent certifiers like NSF, USP, or Informed Sport. No GMP certification was found on record either. We recommend looking for brands with verified third-party testing for the highest confidence in product quality. See our guide to third-party tested supplements.

Is Skinnygirl a Good Brand?

Skinnygirl scores 50/100 (C) — this is a below-average score. We recommend considering brands with third-party certifications like NSF or USP. Skinnygirl has a clean FDA record with no warnings or recalls. The brand does not currently hold third-party testing certifications.

About Skinnygirl

Skinnygirl is a supplement brand operating independently in the US. The founding date of Skinnygirl is unknown. They offer a range of products in the supplement market.

Product Specialization

Skinnygirl specializes in protein supplements. Their product line focuses on providing protein-based options for consumers.

Testing & Certifications Explained

Skinnygirl does not appear to have any third-party testing certifications. This means that there is no independent organization verifying the ingredients and dosages listed on Skinnygirl product labels. Third-party tested supplements undergo rigorous analysis to ensure they contain what the label claims and are free from contaminants. Without these certifications, consumers must rely solely on the brand's claims, which may not be sufficient for those seeking assurance of product quality and safety.

How Skinnygirl Compares

Many protein supplement brands pursue third-party testing to demonstrate product quality. For example, brands like Klean Athlete and NOW Foods achieve higher trust scores due to their commitment to certifications like NSF Certified for Sport and Informed-Sport. These certifications provide an extra layer of assurance compared to Skinnygirl. Other brands like Optimum Nutrition also have higher trust scores.

Buying Guidance

Given Skinnygirl's trust score and lack of third-party testing, consumers should carefully research individual products and read Skinnygirl reviews before purchasing. Look for detailed ingredient lists and consider contacting the company directly with questions about sourcing and manufacturing. Purchase from reputable retailers to ensure product authenticity.

Frequently Asked Questions

Has Skinnygirl had any recalls?

No — as of 2026, Skinnygirl has zero FDA product recalls on record. They maintain a clean FDA record with no warning letters or significant adverse event reports. Skinnygirl received a trust score of 50/100 from SupplementChecker.

Are Skinnygirl supplements third-party tested?

No — Skinnygirl supplements are not currently third-party tested by independent certifiers like NSF, USP, or Informed Sport. No independent testing or GMP certification was found on record.

Is Skinnygirl safe?

Skinnygirl received a trust score of 50/100 (grade: C, risk level: MEDIUM). This score is calculated from FDA records, third-party certifications, adverse event reports, and transparency practices. No FDA warnings or recalls are on record.

Is Skinnygirl a good brand?

Skinnygirl scores 50/100 (grade: C) — this is below average. We recommend looking for brands with third-party certifications like NSF or USP. They do not currently hold third-party testing certifications like NSF, USP, or Informed Sport. No FDA warnings or recalls found.

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How We Calculated This Score

Every brand starts with a baseline score of 70/100.

Points added for: Third-party certifications (NSF +15, USP +15, Informed Sport +10), publishing lab results (+10), clean regulatory record (+10), 10+ years in business (+10), organic certification (+5).

Points deducted for: FDA warning letters (-25), product recalls (-20), high adverse events (-15), no third-party testing (-15), proprietary blends (-10), no GMP (-10).

Score is capped at 0-100. Grade and risk level are derived from the final score.

All data sourced from FDA.gov, Health Canada (LNHPD / recalls-rappels), NSF.org, USP.org, and publicly available brand information. Last updated: 4/9/2026.

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