The Only brand with No Detectable Lead

In independent testing by Consumer Reports, MuscleTech® 100% Mass Gainer  was the only protein powder among 23 tested to register no detectable lead levels.

For Those Who Demand Results — and Proof.

Scientifically Tested Purity

Independent testing by Consumer Reports verified that MuscleTech® protein powder contained no detectable lead among 23 products reviewed.

Commitment to Transparency

Our Mission: To support your gains, not compromise your health. Rigorous raw ingredient testing, GMP Certificate of Conformity, and Third-Party or Internal Lab heavy metal screening. 

Trusted by Athletes Worldwide

For over two decades, MuscleTech® has been committed to producing science-driven formulas that deliver results — with the purity you can trust.

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advanced formulas.
Relentless Results.

These are the go-to formulas for those who don’t skip sets or cut corners. Backed by science and trusted by lifters who train to win–don’t miss what’s fueling the best.

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Quality Protein, Without Compromise

When Consumer Reports tested 23 popular protein powders and shakes for heavy metals — only MuscleTech® 100% Mass Gainer had no detectable lead.

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