CytoSport

Founded 1998 · Walnut Creek, CA, USA · 79 products · musclemilk.com/

Certifications

3 certifications
Labdoor Verified
Nsf Certified For Sport Verified Source
Nsf Gmp Verified Source

Violation History

4 incidents
Lawsuit Overstating protein content, falsely advertising the presence of L-Glutamine, and improperly labeling products as 'lean'.2015Source
Lawsuit Underestimating fat content on product labels.2013Source
Prop 65 lead, cadmium, arsenic2012-04-06Source
Lawsuit Failure to warn consumers about the presence of lead, cadmium, and arsenic under California's Proposition 65.2012Source
Frequently Asked Questions
Is CytoSport a trustworthy supplement brand?

CytoSport receives a brand trust score of 0/100 in GoodSupp's independent analysis. The company was founded in 1998 and is headquartered in Walnut Creek, CA, USA. They hold 3 verified certifications including Labdoor, Nsf Certified For Sport, Nsf Gmp. These certifications are independently verified by GoodSupp and indicate the brand meets recognized quality, purity, and manufacturing standards. Note: CytoSport has 4 historical regulatory incidents on record. These are factored into the overall trust score and are detailed in the violation history section above.

Is CytoSport third-party tested?

Yes. CytoSport holds 3 verified third-party certifications: Labdoor, Nsf Certified For Sport, Nsf Gmp. Third-party testing means an independent laboratory — not the supplement company itself — has verified the product's contents, purity, and/or manufacturing practices. This is one of the strongest indicators of supplement quality because it removes the conflict of interest inherent in self-testing. Not all certifications are equal: NSF International and USP are considered the gold standard, while GMP certification indicates proper manufacturing practices.

Where is CytoSport located?

CytoSport is headquartered in Walnut Creek, CA, USA. The company was founded in 1998. They currently offer 79 products in their supplement lineup. Their official website is musclemilk.com. Manufacturing location may differ from corporate headquarters — look for GMP certification to verify manufacturing quality standards.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.