Grade: C

MEDIUM RISK

Natural Factors SlimStyles

Item: Natural Factors SlimStyles
Rating: 50
Author: SupplementChecker

Natural Factors SlimStyles has a SupplementChecker trust score of 50/100, which is a Grade C and indicates MEDIUM risk. Natural Factors SlimStyles does not appear to have any third-party testing certifications. Consumers should carefully evaluate the available information before purchasing.

Natural Factors SlimStyles Trust Summary

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

Natural Factors SlimStyles 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 SlimStyles Third-Party Tested?

No — Natural Factors SlimStyles 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 SlimStyles a Good Brand?

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

About Natural Factors SlimStyles

Natural Factors SlimStyles is a supplement brand operating independently in the US. The founding date is unknown. They offer products in the specialty supplement category.

Product Specialization

Natural Factors SlimStyles specializes in specialty supplements. Specific product types include those targeting weight management and specific health concerns.

Testing & Certifications Explained

Natural Factors SlimStyles does not have any visible third-party testing certifications. This means that there is no independent organization verifying the quality, purity, or potency of their products. Consumers should be aware that the absence of these certifications increases the risk of purchasing products that do not meet label claims or contain contaminants. The question of 'is Natural Factors SlimStyles third-party tested' is answered negatively.

How Natural Factors SlimStyles Compares

Compared to other brands in the specialty supplement category, Natural Factors SlimStyles' trust score of 50/100 is lower than brands with verified certifications. For example, competitor A (hypothetical) with a trust score of 85/100 has multiple certifications, while competitor B (hypothetical) scores 70/100 and publishes some lab results. This difference highlights the importance of seeking out third-party tested supplements.

Buying Guidance

Given the lack of third-party certifications and limited transparency, consumers should exercise caution when considering Natural Factors SlimStyles products. Purchase from reputable retailers and carefully examine product labels. Look for any available information about ingredient sourcing and manufacturing processes before making a purchase. Always consider 'Natural Factors SlimStyles reviews' from multiple sources.

Frequently Asked Questions

Has Natural Factors SlimStyles had any recalls?

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

Are Natural Factors SlimStyles supplements third-party tested?

No — Natural Factors SlimStyles 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 SlimStyles safe?

Natural Factors SlimStyles 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 SlimStyles a good brand?

Natural Factors SlimStyles 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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