SIS (Science in Sport)
SIS (Science in Sport) receives a SupplementChecker.co trust score of 100/100, which is an A+ grade and indicates a low level of risk. SIS (Science in Sport) is Informed Sport certified, meaning every batch is tested for banned substances. The brand also claims third-party testing, adding another layer of assurance for consumers.
SIS (Science in Sport) 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
- 34 years
- GMP Certified
- Yes
SIS (Science in Sport) 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 34 years.
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Verified Strengths
- ✓Informed Sport certified — every batch tested
- ✓Claims third-party testing
- ✓Established brand — operating since 1992 (34 years)
- ✓Clean FDA record — no warnings, recalls, or significant adverse events
Certifications
Third-party testing means an independent laboratory has verified this product's contents, purity, and potency match what's on the label.
FDA Record
Clean record — no FDA warnings, recalls, or significant adverse events.
Is SIS (Science in Sport) Third-Party Tested?
Yes — SIS (Science in Sport) 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 SIS (Science in Sport) a Good Brand?
SIS (Science in Sport) scores 100/100 (A+) — this is an above-average score indicating a trustworthy brand. SIS (Science in Sport) 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 SIS (Science in Sport)
SIS (Science in Sport) is an independent supplement brand founded in 1992. The brand focuses on sports nutrition products designed to enhance athletic performance. SIS (Science in Sport) has established itself as a reputable brand within the sports nutrition market.
Product Specialization
SIS (Science in Sport) specializes in products related to energy, electrolytes, and endurance. This includes energy gels, electrolyte powders, and endurance supplements designed to support athletes during training and competition.
Testing & Certifications Explained
SIS (Science in Sport) is Informed Sport certified. This means that every batch of their products is tested for banned substances by Informed Sport, a third-party certification program. This certification provides assurance to athletes and consumers that the products are free from substances prohibited by sports organizations. When considering SIS (Science in Sport) reviews, this certification should be a key factor.
How SIS (Science in Sport) Compares
Compared to competitors like GU Energy Labs (trust score: 85/100, Informed Sport certified) and Clif Bar (trust score: 70/100, no certifications), SIS (Science in Sport)'s trust score of 100 and Informed Sport certification position it favorably. While all three brands operate in the energy and endurance supplement space, SIS (Science in Sport)'s commitment to third-party testing, as evidenced by its Informed Sport certification, sets it apart. This makes SIS (Science in Sport) a strong choice for athletes concerned about banned substances.
Buying Guidance
Given SIS (Science in Sport)'s high trust score and Informed Sport certification, consumers can generally feel confident purchasing their products. Look for the Informed Sport logo on the product packaging to verify certification. You can typically find SIS (Science in Sport) products at major retailers and specialty sports nutrition stores.
Frequently Asked Questions
Has SIS (Science in Sport) had any recalls?
Are SIS (Science in Sport) supplements third-party tested?
Is SIS (Science in Sport) safe?
Is SIS (Science in Sport) a good brand?
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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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- Trust Score
- 100/100
- Grade
- A+
- Risk Level
- LOW
- Third-Party Tested
- Yes
- FDA Recalls
- 0
- Adverse Reports
- 0
- Founded
- 1992