Grade: C

MEDIUM RISK

Number One Nutrition

Item: Number One Nutrition
Rating: 50
Author: SupplementChecker

Number One Nutrition has a Trust Score of 50/100, which is a Grade C, indicating a MEDIUM risk level. No third-party testing certifications were found for Number One Nutrition. Consumers should carefully evaluate the brand's products and information before purchasing.

Number One Nutrition Trust Summary

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

Number One Nutrition 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 Number One Nutrition Third-Party Tested?

No — Number One Nutrition 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 Number One Nutrition a Good Brand?

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

About Number One Nutrition

Number One Nutrition is a US-based supplement brand operating independently. The founding date of Number One Nutrition is unknown. They offer a range of supplements in various categories.

Product Specialization

Number One Nutrition focuses on supplements in the fish oil, herbal, and minerals categories. They offer products such as fish oil capsules, herbal extracts, and mineral supplements.

Testing & Certifications Explained

Number One Nutrition does not appear to have any third-party certifications to verify the quality, purity, or potency of its products. This means that there is no independent organization confirming that the supplements contain the ingredients listed on the label or that they are free from contaminants. Consumers should be aware that the absence of third-party testing makes it more difficult to assess the quality and safety of Number One Nutrition's products. Therefore, it is difficult to determine if Number One Nutrition is safe.

How Number One Nutrition Compares

Compared to brands like Nature Made (Trust Score 75/100) and NOW Foods (Trust Score 80/100), which have earned certifications from organizations like USP and NSF, Number One Nutrition lags behind in independent verification. Other competitors in the herbal supplement space, such as Gaia Herbs, often publish lab results, which Number One Nutrition does not. This difference in transparency impacts the Number One Nutrition trust score.

Buying Guidance

Given Number One Nutrition's Trust Score and lack of third-party certifications, consumers should exercise caution. Purchase directly from the manufacturer or authorized retailers to minimize the risk of counterfeit products. Check Number One Nutrition reviews and consult with a healthcare professional before using their supplements.

Frequently Asked Questions

Has Number One Nutrition had any recalls?

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

Are Number One Nutrition supplements third-party tested?

No — Number One Nutrition 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 Number One Nutrition safe?

Number One Nutrition 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 Number One Nutrition a good brand?

Number One Nutrition 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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