Grade: C

MEDIUM RISK

Natural Factors Stress-Relax

Item: Natural Factors Stress-Relax
Rating: 50
Author: SupplementChecker

Okay, here's the content for the "Natural Factors Stress-Relax" brand profile page on SupplementCheck: **** Natural Factors Stress-Relax is a supplement brand offering products in the fish oil, herbal, and protein categories. The brand has a clean FDA record with no warning letters, recalls, or adverse event reports. However, it lacks third-party testing certifications and does not publish lab results. **

Natural Factors Stress-Relax Trust Summary

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

Natural Factors Stress-Relax 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 Natural Factors Stress-Relax Third-Party Tested?

No — Natural Factors Stress-Relax 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 Natural Factors Stress-Relax a Good Brand?

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

About Natural Factors Stress-Relax

Natural Factors Stress-Relax is a supplement brand in the dietary supplement industry. The company specializes in herbal extracts and botanical supplements, and protein powders and sports nutrition. Natural Factors Stress-Relax has a trust score of 50/100 (Grade C), which may indicate areas for improvement in safety or transparency.

Product Specialization

Natural Factors Stress-Relax specializes in herbal and botanical supplements featuring traditional ingredients like turmeric, ashwagandha, ginkgo biloba, and other plant-based compounds. Their herbal line targets various wellness areas from stress management to cognitive support.

Testing & Certifications Explained

Natural Factors Stress-Relax does not appear to have third-party testing certifications from recognized organizations like NSF, USP, or Informed Sport. This means their supplements have not been independently verified for purity, potency, or banned substances. Consumers should be aware that ingredient quality and label accuracy are not externally validated.

How Natural Factors Stress-Relax Compares

Within the protein powder market, Natural Factors Stress-Relax competes with established brands like Optimum Nutrition, Dymatize, and Isopure. Their trust score of 50/100 shows room for improvement compared to top-tier competitors in third-party testing and regulatory compliance.

Buying Guidance

Given Natural Factors Stress-Relax's lower trust score, consumers should exercise caution and consider alternatives with stronger safety records. If purchasing, verify ingredient sources, check for recent lab testing, and consult healthcare providers.

Frequently Asked Questions

Has Natural Factors Stress-Relax had any recalls?

No — as of 2026, Natural Factors Stress-Relax has zero FDA product recalls on record. They maintain a clean FDA record with no warning letters or significant adverse event reports. Natural Factors Stress-Relax received a trust score of 50/100 from SupplementChecker.

Are Natural Factors Stress-Relax supplements third-party tested?

No — Natural Factors Stress-Relax 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 Natural Factors Stress-Relax safe?

Natural Factors Stress-Relax 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 Natural Factors Stress-Relax a good brand?

Natural Factors Stress-Relax 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: 4/4/2026.

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