Grade: B+

MEDIUM RISK

NuBest

Item: NuBest
Rating: 70
Author: SupplementChecker

https://www.nubest.com Est. 2015 (11 years)

NuBest has a SupplementChecker.co trust score of 70/100, a grade of B+, indicating MEDIUM risk. NuBest does not claim to be third-party tested. While not third-party tested, NuBest has a clean FDA record, with no warning letters or recalls.

NuBest Trust Summary

Trust Score: 70/100 (Good)
Grade: B+
Risk Level: MEDIUM
Third-Party Tested: No
FDA Recalls: 0
Adverse Events: 0
Years in Business: 11 years
GMP Certified: Yes

NuBest has a trust score of 70/100 (Good). The brand is not third-party tested by NSF, USP, or Informed Sport, has no FDA recalls on record and no adverse event reports and has been in business for 11 years.

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Red Flags

⚠No third-party testing certifications found

Verified Strengths

✓Established brand — operating since 2015 (11 years)
✓Clean FDA record — no warnings, recalls, or significant adverse events

Certifications

GMP Certified

GMP certification ensures manufacturing quality standards are met, but does not verify that product contents match the label through independent testing. Look for NSF, USP, or Informed Sport certifications for third-party verified products.

FDA Record

FDA Warning Letters

Recalls

Adverse Reports

Clean record — no FDA warnings, recalls, or significant adverse events.

Is NuBest Third-Party Tested?

No — NuBest is not currently third-party tested by independent certifiers like NSF, USP, or Informed Sport. They do hold GMP certification, which ensures manufacturing quality but does not independently verify product contents. 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 NuBest a Good Brand?

NuBest scores 70/100 (B+) — this is an average score. There may be room for improvement in testing transparency or certifications. NuBest has a clean FDA record with no warnings or recalls. The brand does not currently hold third-party testing certifications.

About NuBest

NuBest is a US-based supplement brand founded in 2015, making them an established player in the supplement market with 11 years in business. Operating as an independent company, NuBest offers a range of supplements.

Product Specialization

NuBest specializes in supplements for height growth, children's health, and general vitamins. They are known for products marketed towards children and adolescents, focusing on bone health and overall development.

Testing & Certifications Explained

NuBest is GMP certified, which means they adhere to Good Manufacturing Practices set by regulatory bodies. While GMP certification ensures a baseline level of quality control during manufacturing, it does not guarantee that products are tested by independent third-party labs for purity and potency. Consumers should be aware that GMP certification is an internal quality control measure, not an independent verification. There are no third-party testing certifications found.

How NuBest Compares

Compared to brands like MaryRuth's Organics (trust score 85/100) and Garden of Life (trust score 82/100), NuBest's trust score is lower, primarily due to the lack of third-party testing. Both MaryRuth's and Garden of Life offer a range of third-party tested supplements, providing greater assurance of product quality. Another competitor, Llama Naturals (trust score 65/100), also lacks third-party testing, similar to NuBest.

Buying Guidance

Consumers considering NuBest products should be aware that 'is NuBest safe' is a question that depends on individual risk assessment, given the lack of third-party testing. Purchase directly from NuBest or authorized retailers to ensure product authenticity. Always review the ingredient list and consult with a healthcare professional before starting any new supplement regimen. Before purchasing, read 'NuBest reviews' from multiple sources to get a balanced view of customer experiences.

Frequently Asked Questions

Has NuBest had any recalls?

No — as of 2026, NuBest has zero FDA product recalls on record. They maintain a clean FDA record with no warning letters or significant adverse event reports. NuBest received a trust score of 70/100 from SupplementChecker.

Are NuBest supplements third-party tested?

No — NuBest supplements are not currently third-party tested by independent certifiers like NSF, USP, or Informed Sport. They do have GMP (Good Manufacturing Practice) certification, which ensures manufacturing quality but does not independently verify product contents.

Is NuBest safe?

NuBest received a trust score of 70/100 (grade: B+, 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 NuBest a good brand?

NuBest scores 70/100 (grade: B+) — this is an average score. There may be room for improvement in testing transparency or certifications. 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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