• Supports optimal arterial function
• Non-GMO and gluten-free

L-arginine is an amino acid that the body converts into nitric oxide, a vasodilator that promotes circulation and healthy cardiovascular function. While l-arginine is produced naturally by the body and obtained through diet, some individuals may struggle to get enough of it.

Formulated with 700mg of l-arginine per serving, these caps from Life Extension are a convenient way to ensure you maintain healthy levels of this amino acid.

• Supports muscle recovery
• Promotes natural immunity
• Free of gluten, dairy, soy, nuts, sugar, salt, preservatives, and artificial colors or flavors

L-glutamine is an essential amino acid and one of the building blocks of protein. When the body experiences a glutamine deficit, it can break down protein stores—like muscles—to get more of it.

Adding The Vitamin Shoppe^® brand L-Glutamine Powder to your supplement stack can support protein synthesis and muscle recovery so you can keep flexing on your wellness goals.

• Glutamine and BCAAs for muscle growth
• Citrulline to support nitric oxide synthesis
• Carnitine for energy production and recovery
• AOX antioxidant protection
• Fruit Punch flavor

It doesn't matter if you're a seasoned athlete or just starting out on your fitness journey - we could all use a little backup when the going gets tough. Critical Aminos XT® by BodyTech® provides intra- and post-workout aid with glutamine, BCAAs, citrulline, and carnitine to promote energy production, muscle performance, and recovery.

This tasty Fruit Punch-flavored powder also features AOX antioxidant protection with vitamin C and grape seed extract.

Frequently Asked Questions

What are BCAAs?

Branched-chain amino acids (BCAAs) includeleucine, isoleucine, and valine. They support muscle growth and reduce muscle fatigue.

What is glutamine?

Glutamine is an essential amino acid that helps regulate protein synthesis for muscle recovery.

What is citrulline?

Citrulline is an amino acid involved in the production of nitric oxide, which increases blood flow to working muscles.

What is carnitine?

Carnitine is an amino acid-like compound that supports exercise recovery.

• Supports nitric oxide production
• Promotes exercise endurance and cardiovascular health
• Free of gluten, dairy, soy, and nuts

Whether you're a weightlifter, runner, or simply mindful of your cardiovascular wellness, l-citrulline can help. The body converts this free-form amino acid into nitric oxide, which is a vasodilator that promotes endurance, healthy circulation, and increased blood flow to working muscles.