Grade: C

MEDIUM RISK

Nature's Lab

Item: Nature's Lab
Rating: 50
Author: SupplementChecker

Nature's Lab has a Trust Score of 50/100, which is a Grade C, indicating a MEDIUM risk level. Notably, no third-party testing certifications were found for Nature's Lab products. Consumers wondering "is Nature's Lab third-party tested?" should be aware of this lack of independent verification.

Nature's Lab Trust Summary

Trust Score: 50/100 (Fair)
Grade: C
Risk Level: MEDIUM
Third-Party Tested: No
FDA Recalls: 0
Adverse Events: 2

Nature's Lab 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 2 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

Is Nature's Lab Third-Party Tested?

No — Nature's Lab 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 Nature's Lab a Good Brand?

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

About Nature's Lab

Nature's Lab is a US-based supplement brand operating independently. The founding date of Nature's Lab is unknown. They offer a range of supplements across various categories.

Product Specialization

Nature's Lab specializes in a variety of supplement categories, including fish oil, herbal remedies, minerals, and vitamins. They offer products like multivitamins, herbal extracts, and omega-3 supplements.

Testing & Certifications Explained

Nature's Lab 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. For consumers, this lack of certification means there is less assurance that the product contains what the label claims and is free from contaminants. Brands with third-party tested supplements often display a seal from organizations like USP, NSF, or ConsumerLab.

How Nature's Lab Compares

Compared to brands like NOW Foods (Trust Score 75/100) and Thorne Research (Trust Score 92/100), Nature's Lab's trust score is considerably lower. These competitors often have extensive third-party certifications and transparent sourcing practices. Another competitor, Life Extension (Trust Score 68/100), also demonstrates a higher level of independent testing. This difference highlights the importance of considering certification status when choosing supplements.

Buying Guidance

Given Nature's Lab's Trust Score and lack of third-party certifications, consumers should exercise caution. Purchase Nature's Lab products from reputable retailers and carefully examine product labels. Consider choosing third-party tested supplements from brands with higher trust scores for greater assurance of quality and safety.

Frequently Asked Questions

Has Nature's Lab had any recalls?

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

Are Nature's Lab supplements third-party tested?

No — Nature's Lab 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 Nature's Lab safe?

Nature's Lab 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 Nature's Lab a good brand?

Nature's Lab 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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