Science. Evidence. Performance.

Our Research

Science-backed ingredient education and evidence to help you perform better--naturally.

L-Arginine molecular structure surrounded by foods rich in L-Arginine

Featured Research

L-Arginine and Exercise: From Nitric Oxide to Human Research

Explore L-arginine’s role in nitric oxide production, what an exercise meta-analysis found, and its 3,000 mg amount in our Sweet Peach formula.

All Research Articles

View all articles

L-Arginine and L-Citrulline Together: The Ingredient Connection

Amino Acids

L-Arginine and L-Citrulline Together: The Ingredient Connection

Learn how citrulline connects with arginine, what a human combination study measured, and the 3,000 mg of each...

Amino Acids Arginase Levels

Jan 9, 2024 Mitchell Kepler

Popular Ingredients

L-Tyrosine 12 Betaine 11 Taurine 10 L-Arginine 10 Maca Root 9 Stevia 7 Ashwagandha 6 Caffeine 6

View All Ingredients

Evidence Snapshot

120+ Peer-Reviewed Studies

60+ Ingredients Researched

1000+ Hours of Analysis

Our Research Standards

Disclaimer: The statements made on this website have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease. These products are intended for adults only. If you are pregnant, nursing, or have any health concerns, you should talk to your doctor before using these products. Do not exceed the recommended dosage. Stop using these products and talk to your doctor if you experience any adverse reactions. Store these products in a cool, dry place.