Grade: B+

MEDIUM RISK

5-Star Nutrition

Item: 5-Star Nutrition
Rating: 70
Author: SupplementChecker

https://www.5starnutrition.com Est. 2007 (19 years)

5-Star Nutrition has a Trust Score of 70/100, which is a grade of B+ and indicates a MEDIUM risk level. 5-Star Nutrition does not claim to have third-party tested supplements. While they are GMP Certified and have a clean FDA record, the lack of third-party testing is a consideration for consumers.

5-Star Nutrition has a trust score of 70/100 (Good). The brand is not third-party tested by NSF, USP, or Informed Sport, has no FDA recalls on record and no adverse event reports and has been in business for 19 years.

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Red Flags

⚠No third-party testing certifications found

Verified Strengths

✓Established brand — operating since 2007 (19 years)
✓Clean FDA record — no warnings, recalls, or significant adverse events

Certifications

GMP Certified

GMP certification ensures manufacturing quality standards are met, but does not verify that product contents match the label through independent testing. Look for NSF, USP, or Informed Sport certifications for third-party verified products.

FDA Record

FDA Warning Letters

Recalls

Adverse Reports

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

Is 5-Star Nutrition Third-Party Tested?

No — 5-Star Nutrition is not currently third-party tested by independent certifiers like NSF, USP, or Informed Sport. They do hold GMP certification, which ensures manufacturing quality but does not independently verify product contents. 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 5-Star Nutrition a Good Brand?

5-Star Nutrition scores 70/100 (B+) — this is an average score. There may be room for improvement in testing transparency or certifications. 5-Star Nutrition has a clean FDA record with no warnings or recalls. The brand does not currently hold third-party testing certifications.

About 5-Star Nutrition

5-Star Nutrition is an independent supplement brand founded in 2007. Headquartered in the US, they offer a range of supplements marketed to athletes and fitness enthusiasts. They aim to provide products that support performance, muscle growth, and overall wellness.

Product Specialization

5-Star Nutrition focuses on supplements in the pre-workout, protein, and fat burner categories. They offer a variety of protein powders, pre-workout formulas designed to boost energy and focus, and fat burners intended to support weight loss.

Testing & Certifications Explained

5-Star Nutrition is GMP Certified, meaning their manufacturing processes adhere to Good Manufacturing Practices as defined by regulatory bodies. While GMP certification ensures quality control during production, it doesn't guarantee that products are tested by an independent third-party for purity, potency, and absence of contaminants. Consumers should be aware that GMP certification is a baseline standard, and additional third-party testing provides an extra layer of assurance.

How 5-Star Nutrition Compares

Compared to brands like Transparent Labs (Trust Score: 92/100) and Klean Athlete (Trust Score: 88/100), which both utilize third-party testing and have higher trust scores, 5-Star Nutrition's score of 70/100 is lower, primarily due to the lack of third-party testing. Optimum Nutrition (Trust Score: 75/100) is a closer comparison, as they also lack comprehensive third-party testing but have a longer history in the market. Consumers looking for third-party tested supplements may prefer brands like Transparent Labs or Klean Athlete.

Buying Guidance

Consumers can purchase 5-Star Nutrition products through their website and various online retailers. Before purchasing, carefully review the ingredient list and consider the absence of third-party testing. Look for batch-specific lab results if available, even though they are not generally published.

Frequently Asked Questions

Has 5-Star Nutrition had any recalls?

No — as of 2026, 5-Star Nutrition has zero FDA product recalls on record. They maintain a clean FDA record with no warning letters or significant adverse event reports. 5-Star Nutrition received a trust score of 70/100 from SupplementChecker.

Are 5-Star Nutrition supplements third-party tested?

No — 5-Star Nutrition supplements are not currently third-party tested by independent certifiers like NSF, USP, or Informed Sport. They do have GMP (Good Manufacturing Practice) certification, which ensures manufacturing quality but does not independently verify product contents.

Is 5-Star Nutrition safe?

5-Star Nutrition received a trust score of 70/100 (grade: B+, 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 5-Star Nutrition a good brand?

5-Star Nutrition scores 70/100 (grade: B+) — this is an average score. There may be room for improvement in testing transparency or certifications. 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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