Grade: B+

MEDIUM RISK

BSN

Item: BSN
Rating: 70
Author: SupplementChecker

Part of Glanbia

https://www.bsnonline.com Est. 2001 (25 years)

BSN has a SupplementChecker trust score of 70/100, a grade of B+, indicating MEDIUM risk. BSN does not claim to have third-party tested supplements. While BSN is GMP certified, consumers should be aware that this doesn't guarantee every batch is tested for banned substances or contaminants.

BSN Trust Summary

Trust Score: 70/100 (Good)
Grade: B+
Risk Level: MEDIUM
Third-Party Tested: No
FDA Recalls: 0
Adverse Events: 3
Years in Business: 25 years
GMP Certified: Yes

BSN has a trust score of 70/100 (Good). The brand is not third-party tested by NSF, USP, or Informed Sport, has no FDA recalls on record and 3 adverse event reports and has been in business for 25 years.

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Red Flags

⚠No third-party testing certifications found

Verified Strengths

✓Established brand — operating since 2001 (25 years)
✓Clean FDA record — no warnings, recalls, or significant adverse events

Certifications

GMP Certified

GMP certification ensures manufacturing quality standards are met, but does not verify that product contents match the label through independent testing. Look for NSF, USP, or Informed Sport certifications for third-party verified products.

FDA Record

FDA Warning Letters

Recalls

Adverse Reports

Is BSN Third-Party Tested?

No — BSN is not currently third-party tested by independent certifiers like NSF, USP, or Informed Sport. They do hold GMP certification, which ensures manufacturing quality but does not independently verify product contents. 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 BSN a Good Brand?

BSN scores 70/100 (B+) — this is an average score. There may be room for improvement in testing transparency or certifications. BSN has a clean FDA record with no warnings or recalls. The brand does not currently hold third-party testing certifications.

About BSN

BSN, or Bio-Engineered Supplements and Nutrition, is a US-based supplement brand founded in 2001. They are owned by parent company Glanbia. BSN is known for a wide range of sports nutrition products and aims to provide innovative supplements for athletes and fitness enthusiasts.

Product Specialization

BSN specializes in protein powders, pre-workout formulas, amino acid supplements, and mass gainers. They are particularly known for their Syntha-6 protein powder and NO-Xplode pre-workout, popular choices among gym-goers and athletes.

Testing & Certifications Explained

BSN is GMP certified, meaning they adhere to Good Manufacturing Practices. GMP certification ensures that products are consistently produced and controlled according to quality standards. However, GMP certification does not guarantee that products are tested by independent third-party labs for purity, potency, or banned substances. Consumers seeking third-party tested supplements should look for certifications like Informed-Sport or NSF Certified for Sport.

How BSN Compares

Compared to brands like Optimum Nutrition (trust score 82/100) and Transparent Labs (trust score 95/100), BSN's trust score is lower, primarily due to the absence of third-party testing. Optimum Nutrition also lacks comprehensive third-party testing but has a stronger reputation, while Transparent Labs emphasizes rigorous third-party testing for all products. Other competitors in the space include MuscleTech (trust score 65/100).

Buying Guidance

Consumers should purchase BSN products from reputable retailers to ensure authenticity. Given that BSN does not claim to have third-party tested supplements, individuals concerned about banned substances or ingredient accuracy may want to seek third-party tested alternatives or consider independent testing of BSN products.

Frequently Asked Questions

Has BSN had any recalls?

No — as of 2026, BSN has zero FDA product recalls on record. They maintain a clean FDA record with no warning letters or significant adverse event reports. BSN received a trust score of 70/100 from SupplementChecker.

Are BSN supplements third-party tested?

No — BSN supplements are not currently third-party tested by independent certifiers like NSF, USP, or Informed Sport. They do have GMP (Good Manufacturing Practice) certification, which ensures manufacturing quality but does not independently verify product contents.

Is BSN safe?

BSN received a trust score of 70/100 (grade: B+, 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 BSN a good brand?

BSN scores 70/100 (grade: B+) — this is an average score. There may be room for improvement in testing transparency or certifications. 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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