Grade: C

MEDIUM RISK

Lidtke

Item: Lidtke
Rating: 50
Author: SupplementChecker

Lidtke has a SupplementChecker trust score of 50/100, which is a Grade C, indicating a MEDIUM risk level. Notably, there are no third-party testing certifications on record for Lidtke products. Consumers should be aware of this when considering whether Lidtke is a good brand for their needs.

Lidtke Trust Summary

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

Lidtke 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 Lidtke Third-Party Tested?

No — Lidtke 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 Lidtke a Good Brand?

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

About Lidtke

Lidtke is a supplement brand operating independently in the US. The founding date of Lidtke is unknown. They offer a range of supplements across various categories.

Product Specialization

Lidtke offers supplements in the fish oil, herbal, minerals, and protein categories. They provide a variety of products including herbal extracts, mineral supplements, fish oil capsules, and protein powders.

Testing & Certifications Explained

Lidtke does not have any third-party testing certifications on record. This means that no independent organization has verified the quality, purity, or potency of their products. Third-party testing is important because it provides an unbiased assessment of whether a supplement contains the ingredients listed on the label, in the stated amounts, and is free from contaminants. The absence of such certifications means consumers must rely solely on the brand's own claims, making it more difficult to assess product quality and safety. Therefore, it is difficult to determine if Lidtke is third-party tested.

How Lidtke Compares

Compared to brands like Thorne Research (trust score 92/100) and NOW Foods (trust score 85/100), Lidtke's trust score is considerably lower. Thorne and NOW Foods both have extensive third-party testing and certifications. Other competitors like Nature Made (trust score 70/100) also have more visible third-party testing programs, giving them an advantage in consumer trust. These brands often invest heavily in certifications like USP Verified or NSF Certified for Sport, which Lidtke currently lacks.

Buying Guidance

Given Lidtke's trust score and lack of third-party testing, consumers should exercise caution. Purchase directly from the manufacturer or authorized retailers to minimize the risk of counterfeit products. Carefully review the ingredient list and consider contacting Lidtke directly to request more information about their quality control processes before making a purchase.

Frequently Asked Questions

Has Lidtke had any recalls?

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

Are Lidtke supplements third-party tested?

No — Lidtke 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 Lidtke safe?

Lidtke 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 Lidtke a good brand?

Lidtke 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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