Grade: B

MEDIUM RISK

OOST

Item: OOST
Rating: 60
Author: SupplementChecker

Here's the content for the OOST brand profile page on SupplementCheck: **** OOST is a sports nutrition brand that claims third-party testing, with Informed Sport certification for every batch. The brand's GMP certification status is unclear. OOST has a moderate number of FDA adverse event reports (63) but no FDA warning letters or recalls. **

OOST Trust Summary

Trust Score: 60/100 (Above Average)
Grade: B
Risk Level: MEDIUM
Third-Party Tested: Yes (Informed Sport)
FDA Recalls: 0
Adverse Events: 63

OOST has a trust score of 60/100 (Above Average). The brand is third-party tested by Informed Sport, has no FDA recalls on record and 63 adverse event reports.

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Red Flags

⚠High number of FDA adverse event reports (63)
⚠No GMP certification visible

Verified Strengths

✓Informed Sport certified — every batch tested
✓Claims third-party testing

Certifications

Informed SportThird-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

FDA Warning Letters

Recalls

Adverse Reports

Is OOST Third-Party Tested?

Yes — OOST is Informed Sport certified. This means an independent laboratory has verified that the products' contents, purity, and potency match their label claims.

Is OOST a Good Brand?

OOST scores 60/100 (B) — this is an average score. There may be room for improvement in testing transparency or certifications. OOST 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 OOST

OOST is a supplement brand in the dietary supplement industry. OOST maintains a trust score of 60/100 (Grade B), indicating generally acceptable safety standards.

Product Specialization

OOST focuses on Sports Nutrition supplements. Their product line is designed to meet specific health and wellness needs within these categories, offering targeted nutritional support for various consumer goals.

Testing & Certifications Explained

OOST is Informed Sport certified, meaning every batch is tested for banned substances by LGC's world-class sports anti-doping laboratory. This program provides assurance to competitive athletes that products are safer to use and compliant with WADA regulations.

How OOST Compares

In the broader supplement industry, OOST competes with both specialized and general nutrition brands. Their trust score of 60/100 shows room for improvement compared to industry leaders who typically maintain higher third-party certification standards and cleaner regulatory records.

Buying Guidance

Given OOST's lower trust score, consumers should exercise caution and consider alternatives with stronger safety records. If purchasing, verify ingredient sources, check for recent lab testing, and consult healthcare providers.

Frequently Asked Questions

Has OOST had any recalls?

No — as of 2026, OOST has zero FDA product recalls on record. OOST received a trust score of 60/100 from SupplementChecker.

Are OOST supplements third-party tested?

Yes — OOST 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 OOST safe?

OOST received a trust score of 60/100 (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 OOST a good brand?

OOST scores 60/100 (grade: B) — this is an average score. There may be room for improvement in testing transparency or certifications. 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: 4/4/2026.

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