L-ARGININE PRO L-Arginine 5,500mg + L-Citrulline 1,100mg - Nitric

Our review of L-ARGININE PRO finds it best suited for athletes, fitness enthusiasts and anyone seeking a concentrated nitric oxide support formula; the single biggest reason to consider it is the high combined dose of L-Arginine and L-Citrulline, which is designed to increase nitric oxide production and support blood flow during workouts and daily activity. The powder format in flavored single-serve packets or tubs makes dosing convenient, and the added vitamins and minerals aim to improve absorption and offer broader cardiovascular support.

Key Features

• High-potency blend: 5,500mg of L-Arginine per serving provides a substantially higher active dose than many competitors, intended to support nitric oxide synthesis and vascular function.
• Complementary amino acid: 1,100mg of L-Citrulline per serving helps sustain and amplify nitric oxide production beyond L-Arginine alone.
• Performance focus: Formulated as a pre-workout style supplement to help increase muscle endurance, reduce fatigue and support more intense training sessions.
• Added micronutrients: Includes Vitamin C, Vitamin D, Vitamin K, B6, B12, folate and mineral support such as calcium and magnesium to assist overall absorption and bone and heart health.
• Flavor options and convenience: Available in Citrus Orange, Raspberry and Grapeberry flavors and in single-serve packets for easy use on the go.

Who It's For

This product is aimed at people who want a concentrated amino acid supplement to support cardiovascular health and training performance, including gym-goers, endurance athletes and anyone looking for an energizing morning boost. The high L-Arginine content combined with L-Citrulline can be especially useful for those who have tried basic arginine-only products and want a stronger, more sustained effect.

Those who should look elsewhere include people seeking a multivitamin replacement or a low-dose maintenance arginine product; also consult a healthcare provider before use if you are managing blood pressure or taking prescription medications, since some customers reported notable blood pressure changes.

Pros & Cons

Pros

• Strong, clinically minded doses of both L-Arginine and L-Citrulline for nitric oxide support.
• Flavored powder and single-serve packets make it easy to take pre-workout or while traveling.
• Includes vitamins and mineral complexes such as Aquamin marine minerals to support absorption and overall health.
• Customers report improved energy, better workouts and positive blood pressure effects.

Cons

• Higher active doses mean it may be stronger than needed for casual users or those sensitive to amino acid supplements.
• As with concentrated arginine products, anyone on medications or with cardiovascular conditions should consult a clinician before use.

Specifications

Brand	L-ARGININE PRO
L-Arginine per serving	5,500mg
L-Citrulline per serving	1,100mg
Form	Powder drink mix (tub or single-serve packets)
Flavors available	Citrus Orange, Raspberry, Grapeberry
Additional nutrients	Vitamin C, D, K, B6, B12, Folate, Calcium, Magnesium, Aquamin marine minerals
Dietary attributes	Sugar free, Vegan, Kosher ingredients, Gluten free

Our Verdict

L-ARGININE PRO is a focused, value-minded nitric oxide support formula for people who need a potent pre-workout or cardiovascular supplement with convenience and flavor options. Its high doses of L-Arginine and L-Citrulline plus added vitamins and marine minerals make it a compelling choice for active users seeking better endurance and circulation, provided they consult a healthcare provider if they have blood pressure concerns.

Frequently Asked Questions

How is this taken?
Mix the powder in water as directed, available in tubs or single-serve packets for a pre-workout or daily serving.

Is it suitable for vegetarians?
Yes, the product is described as vegan and uses plant-based marine mineral complexes.

Will it affect blood pressure?
Some customers reported reduced blood pressure; consult a healthcare professional before using if you have blood pressure issues or take related medications.