Grade: D

HIGH RISK

Bayer

Item: Bayer
Rating: 40
Author: SupplementChecker

Okay, here's the content for the Bayer brand profile page on SupplementCheck, following your specified format: **** Bayer offers supplements in the herbal and mineral categories. The brand has no third-party testing or GMP certifications on record. While there are no FDA warning letters or recalls, 15 adverse event reports have been filed with the FDA. **

Bayer Trust Summary

Trust Score: 40/100 (Below Average)
Grade: D
Risk Level: HIGH
Third-Party Tested: No
FDA Recalls: 0
Adverse Events: 15

Bayer has a trust score of 40/100 (Below Average). The brand is not third-party tested by NSF, USP, or Informed Sport, has no FDA recalls on record and 15 adverse event reports.

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Red Flags

⚠No third-party testing certifications found
⚠No GMP certification visible

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

Is Bayer Third-Party Tested?

No — Bayer 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 Bayer a Good Brand?

Bayer scores 40/100 (D) — this is a below-average score. We recommend considering brands with third-party certifications like NSF or USP. Bayer has a clean FDA record with no warnings or recalls. The brand does not currently hold third-party testing certifications.

About Bayer

Bayer is a supplement brand in the dietary supplement industry. The company specializes in herbal extracts and botanical supplements, and mineral supplements and micronutrients. Bayer has a trust score of 40/100 (Grade D), which may indicate areas for improvement in safety or transparency.

Product Specialization

Bayer specializes in herbal and botanical supplements featuring traditional ingredients like turmeric, ashwagandha, ginkgo biloba, and other plant-based compounds. Their herbal line targets various wellness areas from stress management to cognitive support.

Testing & Certifications Explained

Bayer does not appear to have third-party testing certifications from recognized organizations like NSF, USP, or Informed Sport. This means their supplements have not been independently verified for purity, potency, or banned substances. Consumers should be aware that ingredient quality and label accuracy are not externally validated.

How Bayer Compares

In the broader supplement industry, Bayer competes with both specialized and general nutrition brands. Their trust score of 40/100 shows room for improvement compared to industry leaders who typically maintain higher third-party certification standards and cleaner regulatory records.

Buying Guidance

Given Bayer'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 Bayer had any recalls?

No — as of 2026, Bayer has zero FDA product recalls on record. Bayer received a trust score of 40/100 from SupplementChecker.

Are Bayer supplements third-party tested?

No — Bayer 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 Bayer safe?

Bayer received a trust score of 40/100 (grade: D, risk level: HIGH). 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 Bayer a good brand?

Bayer scores 40/100 (grade: D) — 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: 4/4/2026.

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