Gainful
Gainful has a SupplementChecker.co trust score of 100/100, which is an A+ grade and indicates a LOW risk level. Gainful is Informed Sport certified, meaning every batch is tested for banned substances. This provides a high level of assurance for athletes and other consumers concerned about product safety and label accuracy.
Gainful 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
- 9 years
- GMP Certified
- Yes
Gainful 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 9 years.
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Verified Strengths
- ✓Informed Sport certified — every batch tested
- ✓Claims third-party testing
- ✓Operating since 2017 (9 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 Gainful Third-Party Tested?
Yes — Gainful 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 Gainful a Good Brand?
Gainful scores 100/100 (A+) — this is an above-average score indicating a trustworthy brand. Gainful 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 Gainful
Gainful is a US-based supplement company founded in 2017. Operating independently, Gainful focuses on personalized protein and other supplements tailored to individual needs. They have positioned themselves as a provider of customized nutrition solutions.
Product Specialization
Gainful specializes in protein, pre-workout, and hydration supplements. They are known for their personalized protein powders, which are customized based on individual dietary needs and fitness goals. Their product range also includes pre-workout formulas and hydration mixes designed to support athletic performance.
Testing & Certifications Explained
Gainful's Informed Sport certification means that every batch of their products is tested for banned substances by a third-party laboratory. This certification is highly regarded in the sports nutrition industry and provides assurance that the products are free from contaminants that could be harmful or lead to positive drug tests for athletes. This certification is a strong indicator that Gainful is safe for consumption.
How Gainful Compares
Compared to competitors like Transparent Labs (trust score 95/100, Informed Sport certified) and Klean Athlete (trust score 92/100, NSF Certified for Sport), Gainful's trust score is competitive. However, it is important to note that while all three brands engage in third-party testing, the specific certifications and testing protocols may vary. Other brands like Optimum Nutrition (trust score 78/100, no certifications) have lower trust scores.
Buying Guidance
Given Gainful's high trust score and Informed Sport certification, it is a trustworthy option for consumers seeking protein, pre-workout, and hydration supplements. Purchase directly from Gainful's website or authorized retailers to ensure product authenticity. Always verify the Informed Sport logo on the product label to confirm certification.
Frequently Asked Questions
Has Gainful had any recalls?
Are Gainful supplements third-party tested?
Is Gainful safe?
Is Gainful 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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See the best third-party tested supplements →Quick Facts
- Trust Score
- 100/100
- Grade
- A+
- Risk Level
- LOW
- Third-Party Tested
- Yes
- FDA Recalls
- 0
- Adverse Reports
- 0
- Founded
- 2017