Grade: B+

MEDIUM RISK

Klaire Labs

Item: Klaire Labs
Rating: 70
Author: SupplementChecker

Part of SFI Health

https://www.klaire.com Est. 1969 (57 years)

Klaire Labs has a SupplementChecker.co trust score of 70/100, a grade of B+, indicating MEDIUM risk. No third-party testing certifications were found. While not third-party tested, Klaire Labs is an established brand operating since 1969 and has a clean FDA record.

Klaire Labs Trust Summary

Trust Score: 70/100 (Good)
Grade: B+
Risk Level: MEDIUM
Third-Party Tested: No
FDA Recalls: 0
Adverse Events: 2
Years in Business: 57 years
GMP Certified: Yes

Klaire Labs has a trust score of 70/100 (Good). The brand is not third-party tested by NSF, USP, or Informed Sport, has no FDA recalls on record and 2 adverse event reports and has been in business for 57 years.

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Red Flags

⚠No third-party testing certifications found

Verified Strengths

✓Established brand — operating since 1969 (57 years)
✓Clean FDA record — no warnings, recalls, or significant adverse events

Certifications

GMP Certified

GMP certification ensures manufacturing quality standards are met, but does not verify that product contents match the label through independent testing. Look for NSF, USP, or Informed Sport certifications for third-party verified products.

FDA Record

FDA Warning Letters

Recalls

Adverse Reports

Is Klaire Labs Third-Party Tested?

No — Klaire Labs is not currently third-party tested by independent certifiers like NSF, USP, or Informed Sport. They do hold GMP certification, which ensures manufacturing quality but does not independently verify product contents. 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 Klaire Labs a Good Brand?

Klaire Labs scores 70/100 (B+) — this is an average score. There may be room for improvement in testing transparency or certifications. Klaire Labs has a clean FDA record with no warnings or recalls. The brand does not currently hold third-party testing certifications.

About Klaire Labs

Klaire Labs, a brand of SFI Health, has been in the supplement business since 1969. The company is headquartered in the US and offers a range of nutritional supplements. Klaire Labs aims to provide high-quality products for various health needs.

Product Specialization

Klaire Labs specializes in probiotics, digestive enzymes, and vitamins. They are known for their probiotic formulations designed to support gut health, as well as digestive enzyme complexes intended to aid in nutrient absorption. Their vitamin offerings include a variety of essential nutrients.

Testing & Certifications Explained

Klaire Labs is GMP certified, which means their manufacturing processes meet certain quality standards. However, there is no evidence that Klaire Labs products undergo third-party testing for purity, potency, or contaminants. Third-party testing provides an independent verification of product claims, and its absence means consumers must rely solely on the brand's own quality control measures. The question of 'is Klaire Labs third-party tested' is answered negatively.

How Klaire Labs Compares

Compared to brands like Thorne Research (trust score 92/100) and Pure Encapsulations (trust score 88/100), Klaire Labs has a lower trust score, primarily due to the lack of third-party testing. Both Thorne and Pure Encapsulations emphasize rigorous third-party testing and transparency. Another competitor, NOW Foods (trust score 75/100), also engages in more third-party testing than Klaire Labs. This difference in testing and transparency impacts the 'Klaire Labs trust score' relative to its competitors.

Buying Guidance

Consumers interested in Klaire Labs products should purchase directly from the manufacturer or authorized retailers to ensure product authenticity. Verify the product's expiration date and lot number upon receipt. Given the lack of third-party testing, carefully consider your individual needs and risk tolerance before making a purchase. Read 'Klaire Labs reviews' from multiple sources.

Frequently Asked Questions

Has Klaire Labs had any recalls?

No — as of 2026, Klaire Labs has zero FDA product recalls on record. They maintain a clean FDA record with no warning letters or significant adverse event reports. Klaire Labs received a trust score of 70/100 from SupplementChecker.

Are Klaire Labs supplements third-party tested?

No — Klaire Labs supplements are not currently third-party tested by independent certifiers like NSF, USP, or Informed Sport. They do have GMP (Good Manufacturing Practice) certification, which ensures manufacturing quality but does not independently verify product contents.

Is Klaire Labs safe?

Klaire Labs received a trust score of 70/100 (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 Klaire Labs a good brand?

Klaire Labs scores 70/100 (grade: B+) — this is an average score. There may be room for improvement in testing transparency or certifications. 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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