100
Grade: A+
LOW RISK

GU Energy Labs

https://www.guenergy.com Est. 1993 (33 years)

GU Energy Labs has a SupplementChecker.co trust score of 100/100, which is an A+ grade and indicates a low risk level. GU Energy Labs claims third-party testing and is also Informed Sport certified, with every batch tested. This makes them a more trustworthy brand than many competitors. Is GU Energy Labs a good brand? Based on available data, yes.

GU Energy Labs Trust Summary

Trust Score
100/100 (Excellent)
Grade
A+
Risk Level
LOW
Third-Party Tested
Yes (Informed Sport)
FDA Recalls
0
Adverse Events
0
Years in Business
33 years
GMP Certified
Yes

GU Energy Labs has a trust score of 100/100 (Excellent). The brand is third-party tested by Informed Sport, has no FDA recalls on record and no adverse event reports and has been in business for 33 years.

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Verified Strengths

  • Informed Sport certified — every batch tested
  • Claims third-party testing
  • Established brand — operating since 1993 (33 years)
  • Clean FDA record — no warnings, recalls, or significant adverse events

Certifications

Informed SportGMP CertifiedThird-Party Tested

Third-party testing means an independent laboratory has verified this product's contents, purity, and potency match what's on the label.

FDA Record

0
FDA Warning Letters
0
Recalls
0
Adverse Reports

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

Is GU Energy Labs Third-Party Tested?

Yes — GU Energy Labs is Informed Sport certified. This means an independent laboratory has verified that the products' contents, purity, and potency match their label claims. They also maintain GMP (Good Manufacturing Practice) certification.

Is GU Energy Labs a Good Brand?

GU Energy Labs scores 100/100 (A+) — this is an above-average score indicating a trustworthy brand. GU Energy Labs has a clean FDA record with no warnings or recalls. The brand holds third-party certifications (Informed Sport certified), which is a strong quality indicator.

About GU Energy Labs

GU Energy Labs was founded in 1993 and operates independently. The company specializes in energy and nutrition products designed for endurance athletes. GU Energy Labs has established itself as a prominent brand in the sports nutrition market, offering a range of gels, hydration mixes, and other performance-enhancing supplements.

Product Specialization

GU Energy Labs focuses on energy gels, hydration, and endurance supplements. They are best known for their energy gels, which are designed to provide quick and sustained energy during exercise. Their product line also includes hydration tablets and drink mixes to replenish electrolytes lost during physical activity.

Testing & Certifications Explained

GU Energy Labs is Informed Sport certified. This means that every batch of their products is tested for banned substances by an independent, third-party laboratory. This certification is important for athletes who need to be certain that their supplements do not contain any substances that could lead to a positive drug test. The Informed Sport certification provides an extra layer of assurance regarding product safety and quality.

How GU Energy Labs Compares

Compared to competitors like Clif Bar (trust score unrated) and Science in Sport (SiS) (trust score 85/100), GU Energy Labs stands out with its 100/100 trust score and Informed Sport certification. While some competitors may offer similar products, GU Energy Labs' commitment to third-party testing and certification provides a higher level of assurance for athletes and consumers. Many brands do not have every batch third-party tested.

Buying Guidance

Given GU Energy Labs' high trust score and Informed Sport certification, consumers can generally feel confident purchasing their products. It is always advisable to buy directly from the GU Energy Labs website or from reputable retailers to ensure product authenticity. While GU Energy Labs reviews are generally positive, always check for the Informed Sport logo on the product packaging to confirm certification.

Frequently Asked Questions

Has GU Energy Labs had any recalls?
No — as of 2026, GU Energy Labs has zero FDA product recalls on record. They maintain a clean FDA record with no warning letters or significant adverse event reports. GU Energy Labs received a trust score of 100/100 from SupplementChecker.
Are GU Energy Labs supplements third-party tested?
Yes — GU Energy Labs supplements are third-party tested. They hold the following certifications: Informed Sport. Third-party testing means an independent lab has verified the product's contents, purity, and potency match the label claims.
Is GU Energy Labs safe?
GU Energy Labs received a trust score of 100/100 (grade: A+, risk level: LOW). 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 GU Energy Labs a good brand?
GU Energy Labs scores 100/100, which is an A+ grade — this is above average and indicates a trustworthy brand. They hold third-party certifications (Informed Sport certified), which is a strong indicator of product quality. 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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