NB3
NB3 has a SupplementChecker trust score of 75/100, which equates to a grade of B+ and LOW risk. NB3 claims to offer third-party tested supplements, but does not publish lab results. While NB3 has a clean FDA record, the brand lacks visible GMP certification, which is a potential concern for quality control.
NB3 Trust Summary
- Trust Score
- 75/100 (Good)
- Grade
- B+
- Risk Level
- LOW
- Third-Party Tested
- Yes (self-reported)
- FDA Recalls
- 0
- Adverse Events
- 0
NB3 has a trust score of 75/100 (Good). The brand is claims third-party testing (self-reported), has no FDA recalls on record and no adverse event reports.
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Red Flags
- ⚠No GMP certification visible
Verified Strengths
- ✓Claims third-party testing
- ✓Clean FDA record — no warnings, recalls, or significant adverse events
Certifications
Third-party testing means an independent laboratory has verified this product's contents, purity, and potency match what's on the label.
FDA Record
Clean record — no FDA warnings, recalls, or significant adverse events.
Is NB3 Third-Party Tested?
Yes — NB3 is Third-party tested. This means an independent laboratory has verified that the products' contents, purity, and potency match their label claims.
Is NB3 a Good Brand?
NB3 scores 75/100 (B+) — this is an average score. There may be room for improvement in testing transparency or certifications. NB3 has a clean FDA record with no warnings or recalls. The brand holds third-party certifications (Third-party tested), which is a strong quality indicator.
About NB3
NB3 is a US-based supplement brand operating independently. The founding date of NB3 is unknown. They offer products in the supplement market.
Product Specialization
NB3 specializes in protein supplements. Their product line focuses on providing various protein powders and formulations to support fitness and nutritional needs.
Testing & Certifications Explained
NB3 claims that their products are third-party tested; therefore, "is NB3 third-party tested" is answered with a yes. However, they do not specify which third-party performs these tests, nor do they publish the results. This means that while testing is claimed, consumers cannot independently verify the accuracy or scope of the testing. The absence of recognized certifications like NSF or Informed Sport means there is no independent verification of these claims.
How NB3 Compares
Compared to other brands in the protein supplement category, NB3's trust score of 75/100 places it in the mid-range. For example, Transparent Labs, a competitor known for its high level of transparency and third-party certifications, has a higher trust score. Optimum Nutrition, another major player, also emphasizes third-party testing and GMP certification, which may give it a higher perceived level of trust. Consumers often compare "NB3 reviews" against these competitors.
Buying Guidance
Consumers interested in NB3 products should purchase directly from the NB3 website or authorized retailers to ensure product authenticity. Verify the presence of third-party testing claims on the product label and consider requesting lab results from NB3 directly to confirm product quality. Given the lack of GMP certification, carefully evaluate whether the claimed third-party testing provides sufficient assurance.
Frequently Asked Questions
Has NB3 had any recalls?
Are NB3 supplements third-party tested?
Is NB3 safe?
Is NB3 a good brand?
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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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- Trust Score
- 75/100
- Grade
- B+
- Risk Level
- LOW
- Third-Party Tested
- Yes
- FDA Recalls
- 0
- Adverse Reports
- 0