Grade: C

MEDIUM RISK

CytoSport

Item: CytoSport
Rating: 50
Author: SupplementChecker

CytoSport has a SupplementChecker.co trust score of 50/100, a Grade C, indicating a MEDIUM risk level. Notably, there's no evidence of third-party testing certifications for CytoSport products. Consumers should be aware of this when evaluating if CytoSport is a good brand for their needs.

CytoSport Trust Summary

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

CytoSport 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 CytoSport Third-Party Tested?

No — CytoSport 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 CytoSport a Good Brand?

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

About CytoSport

CytoSport is a US-based supplement company operating independently. The founding date is unknown. They are known for manufacturing a range of sports nutrition products.

Product Specialization

CytoSport primarily focuses on protein supplements. They offer a variety of protein powders, ready-to-drink protein shakes, and other protein-enhanced products designed for athletes and fitness enthusiasts.

Testing & Certifications Explained

CytoSport does not appear to have any third-party testing certifications. This means that independent organizations are not verifying the quality, purity, or potency of their products. Consumers should be aware that the absence of these certifications means there is less independent assurance regarding what is in the product and whether it matches the label claims.

How CytoSport Compares

Compared to brands like Optimum Nutrition (trust score 75/100) and Garden of Life (trust score 82/100), CytoSport's trust score is considerably lower. Both Optimum Nutrition and Garden of Life offer some third-party tested supplements, providing greater assurance of product quality. Other competitors in the protein space include MuscleTech, which also lacks readily available third-party certifications.

Buying Guidance

Given CytoSport's trust score and lack of third-party testing, consumers should exercise caution. Purchase from reputable retailers and carefully examine product labels. Consider seeking third-party tested supplements from brands with higher trust scores for greater assurance of quality.

Frequently Asked Questions

Has CytoSport had any recalls?

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

Are CytoSport supplements third-party tested?

No — CytoSport 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 CytoSport safe?

CytoSport 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 CytoSport a good brand?

CytoSport 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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