Grade: C

MEDIUM RISK

Nature's Best

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

Nature's Best has a Trust Score of 50/100, which is a Grade C and indicates a MEDIUM risk level. Notably, Nature's Best does not appear to have any third-party testing certifications. This means consumers cannot independently verify the purity and potency of Nature's Best supplements.

Nature's Best Trust Summary

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

Nature's Best 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 Best Third-Party Tested?

No — Nature's Best 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 Best a Good Brand?

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

About Nature's Best

Nature's Best is a supplement brand operating as an independent company, with its headquarters in the US. The founding date of Nature's Best is unknown. They offer a range of supplements in various categories.

Product Specialization

Nature's Best specializes in fish oil and protein supplements. They offer a variety of protein powders and fish oil capsules.

Testing & Certifications Explained

Nature's Best 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 means there is no independent confirmation that the supplements contain the ingredients listed on the label at the stated dosages, and that they are free from contaminants.

How Nature's Best Compares

Compared to brands like Klean Athlete (Trust Score 85/100) and Garden of Life (Trust Score 78/100), which have invested heavily in third-party certifications, Nature's Best lags behind in demonstrating product quality and safety. These competitors provide consumers with greater assurance through certifications like NSF Certified for Sport and Informed-Sport. Nature's Bounty, with a similar trust score (55/100), also lacks comprehensive third-party testing.

Buying Guidance

Given Nature's Best's Trust Score and lack of third-party testing, consumers should exercise caution. If you choose to purchase Nature's Best products, consider buying from retailers with strong return policies. Always carefully review the product label and consult with a healthcare professional before starting any new supplement regimen.

Frequently Asked Questions

Has Nature's Best had any recalls?

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

Are Nature's Best supplements third-party tested?

No — Nature's Best 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 Best safe?

Nature's Best 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 Best a good brand?

Nature's Best 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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