Home OPA L-Arginine – Circulation & Endurance Support with L-Citrulline, Beta-Alanine & Niacin, 60 Capsules
OPA Nutrition L-Arginine capsules bottle, front label with L-arginine and L-citrulline
OPA Nutrition L-Arginine benefits graphic: supports circulation and supports endurance
OPA Nutrition L-Arginine key ingredients: L-arginine and L-citrulline
OPA Nutrition L-Arginine Supplement Facts panel showing serving size and amounts per serving
OPA Nutrition L-Arginine suggested use directions for capsules
OPA Nutrition L-Arginine capsules bottle in a daily routine setting
OPA Nutrition L-Arginine quality standards: made in a GMP facility, third-party lab tested, 30-day supply
OPA Nutrition L-Arginine capsules, 3-pack of bottles
OPA Nutrition L-Arginine capsules, 6-pack of bottles
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OPA Nutrition L-Arginine capsules bottle, front label with L-arginine and L-citrulline
OPA Nutrition L-Arginine benefits graphic: supports circulation and supports endurance
OPA Nutrition L-Arginine key ingredients: L-arginine and L-citrulline
OPA Nutrition L-Arginine Supplement Facts panel showing serving size and amounts per serving
OPA Nutrition L-Arginine suggested use directions for capsules
OPA Nutrition L-Arginine capsules bottle in a daily routine setting
OPA Nutrition L-Arginine quality standards: made in a GMP facility, third-party lab tested, 30-day supply
OPA Nutrition L-Arginine capsules, 3-pack of bottles
OPA Nutrition L-Arginine capsules, 6-pack of bottles

OPA L-Arginine – Circulation & Endurance Support with L-Citrulline, Beta-Alanine & Niacin, 60 Capsules

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OPA Nutrition L-Arginine capsules bottle, front label with L-arginine and L-citrulline

OPA L-Arginine – Circulation & Endurance Support with L-Citrulline, Beta-Alanine & Niacin, 60 Capsules

$29.99

OPA L-Arginine Capsules are a amino acid supplement from the OPA Prime Series, formulated for adults who want daily circulation and endurance support in a simple capsule format. This formula combines L-Arginine, L-Arginine AKG, L-Citrulline, L-Citrulline Malate, Beta-Alanine, Niacin, and Calcium in a 30-day supply.

Why This Formula Exists

This formula was created for active adults who want a convenient way to support their daily wellness and training routine. OPA L-Arginine Capsules combine key amino acids and supportive nutrients commonly used in active-lifestyle supplements.

Who This Formula Is For

OPA L-Arginine Capsules may be a good fit for adults who want:

  • A daily amino acid supplement
  • Circulation and endurance support
  • Endurance support for active lifestyles
  • A capsule-based alternative to powders or gummies
  • A formula featuring L-Arginine, L-Citrulline, Beta-Alanine, and Niacin

Key Ingredients & Blend Breakdown

  • L-Arginine — 400 mg
    An amino acid commonly included in circulation support formulas.
  • L-Arginine AKG 2:1 Extract — 400 mg
    An alpha-ketoglutarate form of L-Arginine often used in active-lifestyle supplements.
  • L-Citrulline — 200 mg
    An amino acid commonly paired with L-Arginine in circulation support formulas.
  • L-Citrulline Malate Extract — 200 mg
    A form of L-Citrulline often included in endurance support blends.
  • Beta-Alanine — 80 mg
    An amino acid commonly used in active-lifestyle and endurance support formulas.
  • Niacin — 30 mg
    Supports energy metabolism as part of a daily wellness routine.
  • Calcium — 30 mg
    An essential mineral that supports overall wellness.

Supplement Facts at a Glance

  • Serving size: 2 capsules
  • Servings per container: 30
  • Bottle count: 60 capsules
  • Supply: 30-day supply when taken as directed
  • Format: Capsules
  • Formula type: Amino acid, circulation, and endurance support
  • Key ingredients: L-Arginine, L-Arginine AKG, L-Citrulline, L-Citrulline Malate, Beta-Alanine, Niacin, and Calcium
  • Inactive ingredients: Cellulose vegetable capsule, vegetable magnesium stearate, silicon dioxide

Suggested Use

As a dietary supplement, adults take two capsules once daily. For best use, take 20–30 minutes before a meal with an 8 oz. glass of water, or as directed by your healthcare professional.

Frequently Asked Questions

What are OPA L-Arginine Capsules used for?

They are designed to support circulation, endurance, and daily active-lifestyle wellness.

What ingredients are included?

This formula includes L-Arginine, L-Arginine AKG, L-Citrulline, L-Citrulline Malate, Beta-Alanine, Niacin, and Calcium.

Is this product for daily use or workout support?

It can be used as part of a daily wellness routine and may also fit into an active-lifestyle or workout-support routine.

How do I take it?

Adults take two capsules once daily, preferably 20–30 minutes before a meal with an 8 oz. glass of water, or as directed by a healthcare professional.

How long does one bottle last?

Each bottle contains 60 capsules, which provides a 30-day supply when taken as directed.

Is this a capsule, powder, or gummy?

This product comes in capsule form, making it a convenient option for adults who prefer not to use powders or gummies.

Is this product vegetarian?

Yes. The label lists cellulose as the capsule material.

Related Guides

Explore the full OPA Prime Series collection.

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

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