Grade: C

MEDIUM RISK

Nature's Sources

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

Nature's Sources has a SupplementChecker.co trust score of 50/100, earning a grade of C, which indicates a MEDIUM risk level. Notably, there's no evidence of third-party testing certifications for their products. This means consumers must take extra care when evaluating the brand.

Nature's Sources Trust Summary

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

Nature's Sources 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 Nature's Sources Third-Party Tested?

No — Nature's Sources 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 Sources a Good Brand?

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

About Nature's Sources

Nature's Sources is a supplement brand operating independently in the US. The founding date is unknown. They offer a range of products in the supplement market.

Product Specialization

Nature's Sources specializes in herbal supplements. Their product line focuses on providing natural remedies and wellness solutions.

Testing & Certifications Explained

Nature's Sources does not appear to have any third-party testing certifications. This means that independent organizations have not verified the quality, purity, or potency of their products. Consumers should be aware that the absence of certifications makes it more difficult to confirm that the products meet label claims and are free from contaminants. Consumers often search "is Nature's Sources third-party tested" to determine product quality.

How Nature's Sources Compares

Compared to brands like Gaia Herbs (trust score 75/100) and NOW Foods (trust score 80/100), Nature's Sources has a lower trust score, primarily due to the lack of visible third-party testing. These competitors often have certifications like NSF or USP, providing greater assurance of product quality. Another competitor, Oregon's Wild Harvest (trust score 60/100), also demonstrates a higher level of transparency and testing compared to Nature's Sources.

Buying Guidance

Given the Nature's Sources trust score and lack of third-party testing, consumers should exercise caution when purchasing their products. Purchase directly from the manufacturer or authorized retailers to minimize the risk of counterfeit products. Carefully review the ingredient list and consider contacting Nature's Sources directly for more information about their quality control processes. Check "Nature's Sources reviews" from multiple sources.

Frequently Asked Questions

Has Nature's Sources had any recalls?

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

Are Nature's Sources supplements third-party tested?

No — Nature's Sources 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 Sources safe?

Nature's Sources 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 Sources a good brand?

Nature's Sources 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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