Grade: C

MEDIUM RISK

Old School Labs

Item: Old School Labs
Rating: 50
Author: SupplementChecker

Old School Labs has a Trust Score of 50/100, which is a Grade C, indicating a MEDIUM risk level. Old School Labs does not appear to conduct third-party testing on their supplements. While they have a clean FDA record, the lack of third-party testing and GMP certification raises some concerns.

Old School Labs Trust Summary

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

Old School Labs 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 Old School Labs Third-Party Tested?

No — Old School Labs 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 Old School Labs a Good Brand?

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

About Old School Labs

Old School Labs is an independent supplement brand operating in the US. The founding date is unknown. They focus on producing supplements for a variety of fitness and health goals.

Product Specialization

Old School Labs specializes in supplements within the specialty category. They are known for products targeting bodybuilding, weight loss, and overall wellness, including protein powders, pre-workout formulas, and fat burners.

Testing & Certifications Explained

Old School Labs does not have any third-party testing certifications on record. This means that their products are not independently verified for ingredient accuracy, purity, or potency by organizations like NSF International, Informed-Sport, or USP. Consumers should be aware that the absence of third-party testing means there is less independent assurance of product quality.

How Old School Labs Compares

Compared to brands like Transparent Labs (Trust Score: 92/100) and Klean Athlete (Trust Score: 88/100), which both utilize extensive third-party testing and certifications, Old School Labs lags behind in transparency. Another competitor, Optimum Nutrition (Trust Score: 75/100), also demonstrates a higher level of transparency and testing. This difference highlights the importance of considering third-party verification when choosing supplements.

Buying Guidance

Given Old School Labs' Trust Score and lack of third-party testing, consumers should exercise caution. Purchase directly from the Old School Labs website or authorized retailers to ensure product authenticity. Consider consulting with a healthcare professional before using any new supplement.

Frequently Asked Questions

Has Old School Labs had any recalls?

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

Are Old School Labs supplements third-party tested?

No — Old School Labs 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 Old School Labs safe?

Old School Labs 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 Old School Labs a good brand?

Old School Labs 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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