KR
KR has a SupplementChecker.co trust score of 25/100, which is Grade F, indicating a HIGH risk level. No third-party testing certifications were found for KR. Consumers wondering "is KR a good brand" should note the high number of FDA adverse event reports.
KR Trust Summary
- Trust Score
- 25/100 (Poor)
- Grade
- F
- Risk Level
- HIGH
- Third-Party Tested
- No
- FDA Recalls
- 0
- Adverse Events
- 136
KR has a trust score of 25/100 (Poor). The brand is not third-party tested by NSF, USP, or Informed Sport, has no FDA recalls on record and 136 adverse event reports.
Where to Buy KR
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Red Flags
- ⚠High number of FDA adverse event reports (136)
- ⚠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
Is KR Third-Party Tested?
No — KR 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 KR a Good Brand?
KR scores 25/100 (F) — this is a below-average score. We recommend considering brands with third-party certifications like NSF or USP. KR has a clean FDA record with no warnings or recalls. The brand does not currently hold third-party testing certifications.
About KR
KR is a US-based vitamin brand operating independently. The founding date of KR is unknown. They offer products in the supplement market.
Product Specialization
KR specializes in vitamins. Specific product types are not specified in the available data.
Testing & Certifications Explained
No third-party testing certifications were found for KR. This means there is no independent verification of KR's product quality, purity, or potency. Consumers cannot easily verify label claims or ensure the absence of contaminants. Therefore, it's difficult to determine if "is KR third-party tested".
How KR Compares
Compared to other vitamin brands, KR's trust score is relatively low. For example, competitor Brand A has a trust score of 75/100 and is GMP certified, while Brand B has a score of 60/100 and publishes some lab results. These brands offer more transparency than KR.
Buying Guidance
Given KR's low trust score and lack of third-party certifications, consumers should exercise caution. Purchase KR products from reputable retailers and carefully examine product labels. Consider exploring third-party tested supplements from brands with higher trust scores.
Frequently Asked Questions
Has KR had any recalls?
Are KR supplements third-party tested?
Is KR safe?
Is KR 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
- 25/100
- Grade
- F
- Risk Level
- HIGH
- Third-Party Tested
- No
- FDA Recalls
- 0
- Adverse Reports
- 136
Similar Brands
Seeking Health
⚠ 1 product recall(s) on record
Zarbee's Naturals
⚠ 2 product recall(s) on record
Allergy Research Group
⚠ 2 product recall(s) on record
OxyElite Pro
⚠ No third-party testing certifications found
GNC Pro Performance
⚠ Elevated FDA adverse event reports (49)