Pure Encapsulations

l-Arginine

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The Promise

What it is — Pure L‑arginine HCl in veggie capsules

A concentrated L‑arginine hydrochloride amino acid in vegetarian capsules.

Single-ingredient formulation

Contains L‑arginine HCl as the sole active ingredient at 700 mg per vegetable capsule.

Vegetarian delivery

Delivered in vegetable capsules suitable for vegetarians.

Highly purified source

L‑arginine HCl is derived from fermentation of soy and other vegetable sources and ultra‑filtered for purity.

Flexible supply sizes

Available in 90‑ and 180‑capsule counts to match different usage needs.

Why It Works

How this formulation works — Key physiology and supported roles

Ingredient form and supporting roles backed by research and formulation choices.

01

Precursor to nitric oxide

L‑arginine serves as the biochemical precursor for nitric oxide, which supports healthy blood vessel dilation and circulation.*

02

Supports protein and hormone pathways*

Arginine participates in protein synthesis and plays a role in the synthesis of hormones such as insulin and growth hormone.

03

Research on vascular function

Clinical trials have shown supplementation can support healthy endothelial function, platelet behavior, and exercise tolerance.*

04

Immune and tissue support*

Arginine has demonstrated immuno‑stimulatory activity and has been observed to support tissue repair and healthy immune responses in studies.*

Reviews

Customer Reviews

Your Journey

How to use — Dosing, timing, precautions, and practical notes

Simple serving guidance and one concise critical safety note for everyday use.

Serving

Take 2–6 capsules daily

Use 2–6 capsules per day in divided doses to reach your chosen total intake.

Timing

Between meals

Take capsules between meals as directed to follow recommended usage.

Format & potency

700 mg per capsule, vegetable capsule format

Each vegetable capsule provides 700 mg of L‑arginine HCl for straightforward dose calculation and is delivered in a vegetarian capsule.

Practical routine & storage

Incorporate into daily routine and store dry

Take in divided doses as part of your daily supplement routine; store in a cool, dry place.

Product education

Suggested Use: 2-6 capsules per day, in divided doses, between meals.

l-Arginine – Pure Encapsulations l-arginine promotes blood flow throughout the entire body and is known to supportive for the cardiovascular system, memory support and function. This amino acid is a precursor for nitric oxide, which relaxes the blood vessel walls, thus promoting increased circulation. This heavily researched amino acid can be used safely for long periods of time.

What Is It?

l-Arginine is a safe, versatile amino acid supporting protein synthesis and serving as a precursor of nitric oxide.*

Uses For l-Arginine

Cardiovascular Health: In the body, the metabolism of l-arginine leads to the formation of nitric oxide. Arginine-derived nitric oxide is an important catalyst for healthy dilation of blood vessels, circulation, and blood flow. In a prospective, double-blind trial, l-arginine supplementation supported healthy endothelial function in blood vessels of male volunteers. In other studies, l-arginine promoted healthy platelet function and enhanced exercise tolerance. Additional trials indicate that l-arginine may support healthy lipid metabolism and moderate lipid peroxidation, enhancing its cardiovascular support properties.*

Support For Immune Function And Healthy Tissues: Arginine has demonstrated immuno-stimulatory activity and may promote the utilization of nitric oxide by scavenger cells for defense mechanisms. Enhancement of immune messenger compounds has also been observed in several studies with l-arginine. In a study involving elderly individuals, l-arginine facilitated healthy tissue recovery, accelerated tissue repair and supported immune health.*

Male Function: In men with low urinary nitric oxide values, l-arginine may support healthy performance. Some but not all research involving l-arginine supplementation for sperm motility have produced positive results.*

Growth Hormone Support: Arginine plays a role in the synthesis of hormones such as insulin and growth hormone, and has demonstrated the potential to support glucose metabolism and growth hormone production respectively.*

Memory: Nitric oxide is also a mediator of neurotransmission in the brain, supporting memory under the circumstances of reduced intracellular arginine.*

What Is The Source?

l-Arginine HCl is derived from the fermentation of soy and other vegetable sources and is ultra-filtered and highly purified.

Are There Any Potential Side Effects Or Precautions?

If pregnant or lactating, consult your physician before taking this product. Because of its effect on nitric oxide production, l-arginine is theoretically best avoided by individuals with migraines, depression, autoimmune disorders, and kidney or liver disease. Arginine is contraindicated for individuals with the herpes virus.

Are There Any Potential Drug Interactions?

At this time, there are no known adverse reactions when taken in conjunction with medications.

Supplement record

Review serving details and ingredients for this product.

Supplement Facts:
Suggested Use: 2-6 capsules per day, in divided doses, between meals.
each vegetable capsule contains:
Ingredients AMT %DV
l-arginine HCl 700 mg. -
Other Ingredients: -
(-) There is no %DV or the manufacturer has not provided this data.