Grade: C

MEDIUM RISK

GNC Pro Performance AMP

Item: GNC Pro Performance AMP
Rating: 50
Author: SupplementChecker

GNC Pro Performance AMP has a SupplementChecker trust score of 50/100, which is a Grade C, indicating a MEDIUM risk level. Notably, there are no third-party testing certifications on record for GNC Pro Performance AMP products. Consumers should be aware of this when considering whether GNC Pro Performance AMP is a good brand for their needs.

GNC Pro Performance AMP Trust Summary

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

GNC Pro Performance AMP 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 GNC Pro Performance AMP Third-Party Tested?

No — GNC Pro Performance AMP 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 GNC Pro Performance AMP a Good Brand?

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

About GNC Pro Performance AMP

GNC Pro Performance AMP is a supplement brand operating independently within the broader GNC ecosystem. The brand's founding date is unknown. They offer a range of products in the supplement market, focusing on sports nutrition and performance enhancement.

Product Specialization

GNC Pro Performance AMP specializes in categories such as protein, vitamins, fish oil, and herbal supplements. They are known for products like protein powders, pre-workouts, and various vitamins and minerals aimed at athletes and fitness enthusiasts.

Testing & Certifications Explained

GNC Pro Performance AMP does not appear to have any third-party testing certifications. This means that no independent organization is verifying the contents of their supplements for accuracy or purity. For consumers, this increases the risk that the product may not contain the ingredients listed on the label, or that it may contain contaminants. Consumers looking for third-party tested supplements should look for certifications like NSF Certified for Sport, Informed-Sport, or USP.

How GNC Pro Performance AMP Compares

Compared to brands like NOW Foods (trust score 85/100) or Garden of Life (trust score 90/100), which have extensive third-party certifications, GNC Pro Performance AMP's trust score of 50/100 is considerably lower. Other competitors like Optimum Nutrition (trust score 65/100) have some third-party testing, giving them a higher rating. This difference highlights the importance of independent verification in the supplement industry.

Buying Guidance

Given the lack of third-party testing, consumers should exercise caution when purchasing GNC Pro Performance AMP products. Purchase from reputable retailers and carefully examine product labels. If possible, contact GNC Pro Performance AMP directly to inquire about recent testing or quality control measures.

Frequently Asked Questions

Has GNC Pro Performance AMP had any recalls?

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

Are GNC Pro Performance AMP supplements third-party tested?

No — GNC Pro Performance AMP 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 GNC Pro Performance AMP safe?

GNC Pro Performance AMP 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 GNC Pro Performance AMP a good brand?

GNC Pro Performance AMP 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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