Grade: C

MEDIUM RISK

Natural Factors PS Factor

Item: Natural Factors PS Factor
Rating: 50
Author: SupplementChecker

Natural Factors PS Factor has a Trust Score of 50/100, which is a Grade C, indicating a MEDIUM risk level. Notably, Natural Factors PS Factor does not appear to have any third-party testing certifications. This is a significant factor for consumers seeking independently verified supplements.

Natural Factors PS Factor Trust Summary

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

Natural Factors PS Factor 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.

Where to Buy Natural Factors PS Factor

Purchase from trusted retailers. We may earn a commission at no extra cost to you.

Buy on iHerb Buy on Amazon

Check another brand:

e.g. Nature Made, Thorne, NOW Foods...

Check

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 PS Factor Third-Party Tested?

No — Natural Factors PS Factor 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 PS Factor a Good Brand?

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

About Natural Factors PS Factor

Natural Factors PS Factor is a supplement brand operating independently in the US. The founding date is unknown. They offer a range of supplements.

Product Specialization

Natural Factors PS Factor specializes in fish oil supplements. They are known for providing products in this category.

Testing & Certifications Explained

Natural Factors PS Factor does not appear to have any third-party testing certifications. This means there is no independent verification of their product quality, purity, or label accuracy. Consumers rely on certifications to ensure that supplements contain what the label claims and are free from contaminants. The absence of these certifications raises concerns about the reliability of the product.

How Natural Factors PS Factor Compares

Many brands in the fish oil category, such as Nordic Naturals (Trust Score 85/100) and NOW Foods (Trust Score 78/100), pursue more rigorous third-party testing and certifications. These competitors often publish lab results and clearly disclose ingredient sourcing, offering greater transparency than Natural Factors PS Factor. Garden of Life (Trust Score 62/100) also provides more visible certifications.

Buying Guidance

Given the lack of third-party testing, consumers should exercise caution when purchasing Natural Factors PS Factor products. Purchase from reputable retailers and carefully examine product labels. Consider choosing third-party tested supplements for greater assurance of quality and safety.

Frequently Asked Questions

Has Natural Factors PS Factor had any recalls?

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

Are Natural Factors PS Factor supplements third-party tested?

No — Natural Factors PS Factor 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 PS Factor safe?

Natural Factors PS Factor 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 PS Factor a good brand?

Natural Factors PS Factor 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.

Get FDA Recall Alerts

We'll notify you when FDA recalls affect supplement brands you care about.

Compare Similar Brands

Brands in similar categories with comparable trust profiles. Compare certifications, scores, and safety records.

65/100

Lower rated

Brightside

Grade B • Higher score

65/100

Lower rated

Outwork Nutrition

Grade B • Higher score

65/100

Lower rated

Vital Vitamins

Grade B • Higher score

65/100

Lower rated

Thesis

Grade B • Higher score

65/100

Lower rated

Traditional Medicinals

Grade B • Higher score

Want more comparisons? Browse our supplement categories or check our buying guides.

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.

Promote Your Trust Score

Embed this badge on your site — it displays Natural Factors PS Factor's verified trust score and links back to this profile page. Helps show buyers you're transparent about third-party testing.

Small · 220×110

<iframe src="https://supplementchecker.co/embed/natural-factors-ps-factor/" width="220" height="110" frameborder="0" loading="lazy" title="Natural Factors PS Factor trust score by SupplementChecker"></iframe>

Medium · 320×160

<iframe src="https://supplementchecker.co/embed/natural-factors-ps-factor/" width="320" height="160" frameborder="0" loading="lazy" title="Natural Factors PS Factor trust score by SupplementChecker"></iframe>

Large · 420×210

<iframe src="https://supplementchecker.co/embed/natural-factors-ps-factor/" width="420" height="210" frameborder="0" loading="lazy" title="Natural Factors PS Factor trust score by SupplementChecker"></iframe>

Paste the snippet anywhere on your site. The badge updates automatically when Natural Factors PS Factor's trust score changes.

Own this brand? Contact us to update your information.

Want to find supplements you can trust?

Third-party testing is the single best indicator of supplement quality. We analyzed Natural Factors PS Factor and 500+ other brands to find the ones that actually prove what's on the label.

See the best third-party tested supplements →