Grade: C

MEDIUM RISK

Natural Factors Three Brains

Item: Natural Factors Three Brains
Rating: 50
Author: SupplementChecker

Natural Factors Three Brains has a Trust Score of 50/100, which is a Grade C and indicates MEDIUM risk. Notably, there are no third-party testing certifications on record for Natural Factors Three Brains. This raises concerns about independent verification of product quality and ingredient accuracy.

Natural Factors Three Brains Trust Summary

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

Natural Factors Three Brains 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 Three Brains

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 Three Brains Third-Party Tested?

No — Natural Factors Three Brains 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 Three Brains a Good Brand?

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

About Natural Factors Three Brains

Natural Factors Three Brains is a supplement brand operating as an independent company with headquarters in the US. The founding date is unknown. They offer a range of supplements in various health and wellness categories.

Product Specialization

Natural Factors Three Brains specializes in supplements in the fish oil and herbal categories. They offer products such as omega-3 fatty acid supplements and various herbal remedies.

Testing & Certifications Explained

Natural Factors Three Brains does not appear to have any third-party testing certifications. This means that no independent organization has verified the quality, purity, or potency of their products. For consumers, this lack of certification means there is less assurance that the product contains what the label claims and is free from harmful contaminants. Brands with third-party certifications undergo regular audits and testing to meet specific standards.

How Natural Factors Three Brains Compares

Compared to other brands in the fish oil and herbal supplement categories, Natural Factors Three Brains lags behind in third-party testing. For example, Nordic Naturals (Trust Score 85) and Thorne Research (Trust Score 90) both have extensive third-party certifications. Many brands pursue GMP certification, which Natural Factors Three Brains does not appear to have.

Buying Guidance

Given the Trust Score of 50/100 and the absence of third-party testing, consumers should exercise caution when considering Natural Factors Three Brains. Purchase from reputable retailers and carefully examine the product label. Consumers may want to seek third-party tested supplements to ensure product quality.

Frequently Asked Questions

Has Natural Factors Three Brains had any recalls?

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

Are Natural Factors Three Brains supplements third-party tested?

No — Natural Factors Three Brains 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 Three Brains safe?

Natural Factors Three Brains 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 Three Brains a good brand?

Natural Factors Three Brains 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 Three Brains'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-three-brains/" width="220" height="110" frameborder="0" loading="lazy" title="Natural Factors Three Brains trust score by SupplementChecker"></iframe>

Medium · 320×160

<iframe src="https://supplementchecker.co/embed/natural-factors-three-brains/" width="320" height="160" frameborder="0" loading="lazy" title="Natural Factors Three Brains trust score by SupplementChecker"></iframe>

Large · 420×210

<iframe src="https://supplementchecker.co/embed/natural-factors-three-brains/" width="420" height="210" frameborder="0" loading="lazy" title="Natural Factors Three Brains trust score by SupplementChecker"></iframe>

Paste the snippet anywhere on your site. The badge updates automatically when Natural Factors Three Brains'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 Three Brains and 500+ other brands to find the ones that actually prove what's on the label.

See the best third-party tested supplements →