Grade: B+

MEDIUM RISK

Moss Nutrition

Item: Moss Nutrition
Rating: 70
Author: SupplementChecker

https://www.mossnutrition.com Est. 2003 (23 years)

Moss Nutrition has a Trust Score of 70/100, earning a grade of B+ and a risk level of MEDIUM. Moss Nutrition is GMP Certified but does not appear to conduct third-party testing on its supplements. Consumers should be aware of the lack of third-party testing when considering Moss Nutrition products.

Moss Nutrition 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: 23 years
GMP Certified: Yes

Moss Nutrition 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 23 years.

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Red Flags

⚠No third-party testing certifications found

Verified Strengths

✓Established brand — operating since 2003 (23 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 Moss Nutrition Third-Party Tested?

No — Moss Nutrition 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 Moss Nutrition a Good Brand?

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

About Moss Nutrition

Moss Nutrition is an independent supplement company founded in 2003. Headquartered in the US, Moss Nutrition focuses on providing nutritional supplements, primarily through practitioner channels. They have been in business for 23 years.

Product Specialization

Moss Nutrition specializes in vitamins and minerals, catering to the practitioner market. Their product line includes a range of supplements designed for specific health needs, often sold through healthcare professionals.

Testing & Certifications Explained

Moss Nutrition is GMP Certified, indicating that their manufacturing processes adhere to Good Manufacturing Practices. This certification ensures that products are consistently produced and controlled according to quality standards. However, Moss Nutrition does not appear to provide third-party testing certifications. This means that independent labs do not verify the contents and purity of their supplements, leaving consumers to rely solely on the brand's claims.

How Moss Nutrition Compares

Compared to brands like Thorne Research (Trust Score: 92/100) and Pure Encapsulations (Trust Score: 88/100), which both have robust third-party testing programs, Moss Nutrition's Trust Score of 70/100 is lower, primarily due to the lack of third-party testing. Another competitor, Metagenics (Trust Score: 75/100), also emphasizes practitioner channels but provides more transparency regarding testing. This difference in transparency and testing practices may influence consumer choices when considering "is Moss Nutrition a good brand?"

Buying Guidance

Given Moss Nutrition's Trust Score and lack of third-party testing, consumers should carefully consider their individual needs and risk tolerance. Purchase Moss Nutrition products from reputable retailers to ensure authenticity. Consumers should research "Moss Nutrition reviews" and consult with a healthcare professional before use.

Frequently Asked Questions

Has Moss Nutrition had any recalls?

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

Are Moss Nutrition supplements third-party tested?

No — Moss Nutrition 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 Moss Nutrition safe?

Moss Nutrition 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 Moss Nutrition a good brand?

Moss Nutrition 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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