Jarrow Formulas Arginine-Citrulline Sustain 120 Tablets

Jarrow Formulas Arginine-Citrulline Sustain – Dual Action Nitric Oxide Support

Jarrow Formulas Arginine-Citrulline Sustain is a scientifically designed formula that combines two powerful amino acids — L-Arginine and L-Citrulline — along with Vitamin C (as calcium ascorbate), in a sustained-release delivery system. This advanced blend supports optimal nitric oxide (NO) production, healthy blood flow, cardiovascular function, and athletic performance.

Key Benefits:

Enhanced Nitric Oxide Production – Dual Pathway Support

L-Arginine is a direct precursor to nitric oxide, which helps relax and dilate blood vessels for improved blood flow.
L-Citrulline converts into L-Arginine in the body and prolongs its effect, helping to sustain nitric oxide levels longer.
The combination is more effective than arginine alone in boosting NO availability.

Cardiovascular & Circulatory Health

Promotes healthy blood pressure, improved vascular tone, and arterial flexibility.
Supports heart health by enhancing endothelial (blood vessel lining) function.

Exercise Endurance & Recovery

Improved circulation enhances oxygen and nutrient delivery to muscles, supporting greater stamina and endurance.
Helps reduce fatigue and supports faster recovery post-exercise, making it ideal for active lifestyles and athletes.

Immune & Antioxidant Support (Vitamin C)

Vitamin C (as calcium ascorbate) provides antioxidant protection, supporting immune function and protecting cells from oxidative stress.
Also helps maintain collagen synthesis and vascular integrity.

Supports Detoxification and Urea Cycle

L-Citrulline plays a key role in the urea cycle, helping the body eliminate ammonia, a waste product from protein metabolism.
This supports metabolic health and detoxification pathways.

Sustain Release Technology – Longer Lasting Benefits

This formulation uses Sustain™ time-release delivery, designed to optimize absorption over time.
It provides a gradual release of L-Arginine and L-Citrulline, promoting steady nitric oxide production without sharp peaks and drops.

Additional Ingredients for Tablet Stability & Quality:

Bulking Agent: Cellulose
Anti-Caking Agents: Silicon Dioxide, Magnesium Stearate (vegetable source)
Food-grade coating (cellulose, vegetable-based stearic acid) ensures tablet integrity and ease of swallowing.

Who Might Benefit From Arginine-Citrulline Sustain:

Individuals seeking to support cardiovascular wellness and circulation
Those with low energy or poor endurance
Athletes and fitness enthusiasts aiming for enhanced performance and recovery
People looking to support blood vessel health, muscle function, and immune resilience

Take two to four tablets one to two times per day on an empty stomach prior to meals, or as directed by your qualified healthcare professional.

Bulking Agent: Cellulose, Anti-Caking Agents: Silicon Dioxide, Magnesium Stearate (vegetable source), and a food grade coating (cellulose, stearic acid [vegetable source]), Vitamin C (as Calcium Ascorbate), L-Arginine (Free Base), L-Citrulline (Free Base)

Not suitable for children

Please Note:

As a small family-run business, we carefully prepare every order and usually dispatch within 1–5 working days. Some products are specially sourced from our trusted partner warehouses after you order, which helps us offer you a much wider choice without holding everything on-site.

We check availability before confirming your order. During this time, your bank may show the payment as pending, but it will not be fully processed. Occasionally, stock information from our partner warehouses may take a little time to update.

If an item is unavailable, we may remove that item from your order, or cancel the order if we’re unable to fulfil it. You will not be charged for anything we cannot supply.

Delivery estimates begin once your order has been dispatched. We’ll email you as soon as it’s on its way, and we truly appreciate your patience and support for our small family business.