NOW Sports Arginine & Citrulline 500 mg / 250 mg

Amino Acid Support for Circulation & Performance

Support your training and recovery routine with NOW Sports Arginine & Citrulline, a dual amino acid formula designed to promote nitric oxide production and healthy blood flow.

This performance-focused blend combines:

• L-Arginine (500 mg)

• L-Citrulline (250 mg)

Together, these amino acids play complementary roles in nitric oxide pathways that support circulation, endurance, and muscle performance.

Why Arginine & Citrulline?

L-Arginine

L-Arginine is a precursor to nitric oxide, a compound involved in vascular function and circulation.

L-Citrulline

L-Citrulline helps support arginine levels in the body and may provide sustained nitric oxide support.

When combined, these amino acids are often used in:

• Pre-workout routines
• Performance support stacks
• Circulatory health support formulas

Key Benefits

Nitric Oxide Production

Supports pathways involved in nitric oxide synthesis.

Healthy Blood Flow

Promotes healthy circulation during physical activity.

Workout Performance

Commonly used to support endurance and muscle pump during training.

NOW Sports Quality

• Non-GMO
• Vegan capsules
• Informed manufacturing practices
• GMP Quality Assured

Who Is This For?

NOW Arginine & Citrulline may be ideal for:

• Athletes and active individuals
• Those building a nitric oxide stack
• Pre-workout users wanting stimulant-free support
• Individuals supporting circulation and vascular health

Suggested Use

Take 1 capsule 1–2 times daily as needed, preferably between meals or before exercise.

Frequently Asked Questions

Is this a pre-workout?

It can be used as part of a pre-workout routine but does not contain stimulants like caffeine.

Does this cause a “pump”?

Arginine and citrulline are commonly associated with supporting nitric oxide production, which may contribute to workout pump.

Is this vegan?

Yes, NOW Sports Arginine & Citrulline capsules are suitable for vegetarians and vegans.