Grade: B+

LOW RISK

Guardian Drug Company

Item: Guardian Drug Company
Rating: 75
Author: SupplementChecker

Guardian Drug Company has a SupplementChecker.co trust score of 75/100, which is a grade of B+ and indicates a LOW risk level. Guardian Drug Company claims to conduct third-party testing, though no specific certifications are visible. Consumers should independently verify these claims before purchasing.

Guardian Drug Company Trust Summary

Trust Score: 75/100 (Good)
Grade: B+
Risk Level: LOW
Third-Party Tested: Yes (self-reported)
FDA Recalls: 0
Adverse Events: 0

Guardian Drug Company has a trust score of 75/100 (Good). The brand is claims third-party testing (self-reported), has no FDA recalls on record and no adverse event reports.

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Red Flags

⚠No GMP certification visible

Verified Strengths

✓Claims third-party testing
✓Clean FDA record — no warnings, recalls, or significant adverse events

Certifications

Third-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

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

Is Guardian Drug Company Third-Party Tested?

Yes — Guardian Drug Company is Third-party tested. This means an independent laboratory has verified that the products' contents, purity, and potency match their label claims.

Is Guardian Drug Company a Good Brand?

Guardian Drug Company scores 75/100 (B+) — this is an average score. There may be room for improvement in testing transparency or certifications. Guardian Drug Company has a clean FDA record with no warnings or recalls. The brand holds third-party certifications (Third-party tested), which is a strong quality indicator.

About Guardian Drug Company

Guardian Drug Company is a US-based supplement company operating independently. The company's founding date is unknown. They produce a range of supplements marketed to health-conscious consumers.

Product Specialization

Guardian Drug Company focuses on protein and vitamin supplements. Their product line includes protein powders, multivitamins, and single-vitamin supplements.

Testing & Certifications Explained

Guardian Drug Company claims to use third-party testing, but does not specify any particular certification. This means an independent lab may test their products for purity and potency, but without a recognized certification, the extent and reliability of this testing are uncertain. Consumers should seek clarification from Guardian Drug Company regarding their testing protocols and results. The question of "is Guardian Drug Company third-party tested" requires further investigation.

How Guardian Drug Company Compares

Compared to competitors like Transparent Labs (trust score 92/100, third-party certified) and Klean Athlete (trust score 88/100, third-party certified), Guardian Drug Company's trust score is lower, and their certification status is less clear. Optimum Nutrition, another competitor, has a trust score of 70/100 and also lacks visible third-party certifications. This places Guardian Drug Company in the middle tier of brands regarding trust and transparency.

Buying Guidance

Given Guardian Drug Company's trust score and unclear certification status, consumers should exercise caution. If considering their products, contact Guardian Drug Company directly to request detailed information about their third-party testing procedures and results. Purchase from reputable retailers to ensure product authenticity.

Frequently Asked Questions

Has Guardian Drug Company had any recalls?

No — as of 2026, Guardian Drug Company has zero FDA product recalls on record. They maintain a clean FDA record with no warning letters or significant adverse event reports. Guardian Drug Company received a trust score of 75/100 from SupplementChecker.

Are Guardian Drug Company supplements third-party tested?

Yes — Guardian Drug Company supplements are third-party tested. They hold the following certifications: third-party tested (self-reported). Third-party testing means an independent lab has verified the product's contents, purity, and potency match the label claims.

Is Guardian Drug Company safe?

Guardian Drug Company received a trust score of 75/100 (grade: B+, 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.

Grade A+ • Higher score

Want more comparisons? Browse our supplement categories or check our buying guides.

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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Quick Facts

Trust Score: 75/100
Grade: B+
Risk Level: LOW
Third-Party Tested: Yes
FDA Recalls: 0
Adverse Reports: 0

⚠ No GMP certification visible