Grade: C

MEDIUM RISK

Lindberg

Item: Lindberg
Rating: 50
Author: SupplementChecker

Lindberg has a Trust Score of 50/100, which translates to a grade of C and a MEDIUM risk level. Lindberg does not appear to provide third-party testing certifications for its products. Consumers should carefully evaluate Lindberg reviews and consider the lack of independent verification when making purchasing decisions.

Lindberg Trust Summary

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

Lindberg 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 Lindberg Third-Party Tested?

No — Lindberg 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 Lindberg a Good Brand?

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

About Lindberg

Lindberg is an independent supplement brand with an unknown founding date. Headquartered in the US, Lindberg offers a range of supplements. The company operates independently and focuses on providing specialty products to its customers.

Product Specialization

Lindberg specializes in specialty supplements. While specific product lines are not detailed, they likely cater to niche health needs within the broader supplement market. Consumers may find a variety of vitamins, minerals, and other specialized formulations under the Lindberg brand.

Testing & Certifications Explained

Lindberg does not appear to have any third-party testing certifications. This means that there is no independent organization verifying the quality, purity, or potency of Lindberg's products. Consumers should be aware that the absence of certifications increases the risk of inaccurate labeling or contamination. While not inherently unsafe, the lack of third-party validation places a greater burden on consumers to research and assess product quality.

How Lindberg Compares

Compared to brands like NOW Foods (Trust Score: 75/100) and Thorne Research (Trust Score: 92/100), Lindberg's Trust Score is considerably lower, primarily due to the absence of third-party certifications. Both NOW Foods and Thorne Research invest heavily in independent testing and certifications to assure consumers of product quality. Another competitor, Life Extension (Trust Score: 68/100), also demonstrates a higher level of transparency and testing compared to Lindberg.

Buying Guidance

Given Lindberg's Trust Score of 50/100 and the absence of third-party testing, consumers should exercise caution when purchasing Lindberg products. Purchase from reputable retailers and carefully examine product labels. Look for any available Lindberg reviews from independent sources to gauge customer experiences.

Frequently Asked Questions

Has Lindberg had any recalls?

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

Are Lindberg supplements third-party tested?

No — Lindberg 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 Lindberg safe?

Lindberg 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 Lindberg a good brand?

Lindberg 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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