Featured Research
L-Tyrosine and Focus: Understanding the Amino Acid in Our Formula
Learn how L-tyrosine relates to neurotransmitters and demanding-task research, then see its 1,000 mg place in our Sweet Peach pre-workout.
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Science-backed ingredient education and evidence to help you perform better--naturally.

Amino Acids
Explore L-arginine’s role in nitric oxide production, what an exercise meta-analysis found, and its 3,000 mg amount in...
Amino Acids
Learn how citrulline connects with arginine, what a human combination study measured, and the 3,000 mg of each...