Grade: C

MEDIUM RISK

Sundown Naturals

Item: Sundown Naturals
Rating: 50
Author: SupplementChecker

Part of Nestle Health Science

https://www.sundownnaturals.com

Sundown Naturals has a Trust Score of 50/100, which is a Grade C, indicating a MEDIUM risk level. No third-party testing certifications were found. Consumers wondering "is Sundown Naturals third-party tested?" should note this brand does not appear to have independent verification of its products' contents or safety.

Sundown Naturals Trust Summary

Trust Score: 50/100 (Fair)
Grade: C
Risk Level: MEDIUM
Third-Party Tested: No
FDA Recalls: 0
Adverse Events: 17
GMP Certified: Yes

Sundown Naturals 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 17 adverse event reports.

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Red Flags

⚠No third-party testing certifications found

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

Is Sundown Naturals Third-Party Tested?

No — Sundown Naturals 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 Sundown Naturals a Good Brand?

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

About Sundown Naturals

Sundown Naturals is a brand offering a range of vitamins, minerals, and herbal supplements. The founding date is unknown. Sundown Naturals is owned by Nestle Health Science. The brand is headquartered in the US.

Product Specialization

Sundown Naturals specializes in vitamins, minerals, and herbs. They offer a wide variety of single-ingredient and multi-ingredient supplements, including vitamin D, vitamin C, and various herbal extracts.

Testing & Certifications Explained

Sundown Naturals is GMP Certified, which means the brand adheres to Good Manufacturing Practices set by regulatory agencies. However, no third-party testing certifications were found. This means that products are not independently verified for ingredient accuracy, purity, and potency. Consumers seeking "third-party tested supplements" may want to look for brands with certifications like USP, NSF, or Informed-Sport.

How Sundown Naturals Compares

Compared to other brands in the vitamin and supplement space, Sundown Naturals' Trust Score of 50/100 places it lower than brands like Nature Made (Trust Score: 75/100) which has USP verification. It is similar to brands like Puritan's Pride (Trust Score: 55/100) which also lacks third-party testing. Consumers reading "Sundown Naturals reviews" should consider these comparisons.

Buying Guidance

Given Sundown Naturals' Trust Score, consumers should carefully evaluate their products. Purchase from reputable retailers and check for any visible signs of tampering. Consumers should research the specific ingredients and their potential effects before use.

Frequently Asked Questions

Has Sundown Naturals had any recalls?

No — as of 2026, Sundown Naturals has zero FDA product recalls on record. Sundown Naturals received a trust score of 50/100 from SupplementChecker.

Are Sundown Naturals supplements third-party tested?

No — Sundown Naturals 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 Sundown Naturals safe?

Sundown Naturals 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 Sundown Naturals a good brand?

Sundown Naturals 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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