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L-Arginine & L-Ornithine

Swanson
4.8
★ ★ ★ ★ ★
(480 ratings)
Arginine 500 mg
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Score93

A dual-amino acid formula that supports metabolic balance and circulatory health through the combination of arginine and ornithine.

How scoring works
Quantity:100 Capsule(s) • (100 servings)
Goals:

Score 93

A dual-amino acid formula that supports metabolic balance and circulatory health through the combination of arginine and ornithine.

How scoring works
$12.29($0.12 per serving)
iHerb
$ 12.29
iHerb
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Analysis

By combining 500mg of arginine with 250mg of ornithine, this formula supports the urea cycle and nitrogen balance in the body. These two amino acids work together to help the body process metabolic byproducts. It is a common choice for people looking to support their recovery after physical activity.

The capsule form makes it easy to take on the go. This product is a practical option for those who want a bit more metabolic support than a single-ingredient arginine supplement provides.

Pros

  • Includes L-ornithine for added support
  • Traditional 2:1 ratio
  • Small, easy-to-take capsules
  • Supports the body's natural waste clearance

Cons

  • Arginine dose is lower than standalone products
  • Contains two different ingredients to monitor
  • Ornithine dose is relatively modest

Warnings

  • Not recommended for those with kidney concerns without professional advice
  • Discontinue use if you experience lightheadedness
  • Consult a healthcare professional before use

Nutrient quality

89 Highest impact

Combination of arginine and ornithine hydrochloride supports the urea cycle and nitric oxide production. Moderate dosages provide foundational support for metabolic efficiency and vascular function.

Ingredient transparency

97 Highest impact

Labeling clearly quantifies the individual milligram amounts of both arginine and ornithine. Serving details and intake directions are transparent, allowing for precise nutritional management.

Customer satisfaction

91 Highest impact

Very strong average rating of 4.80 indicates a high level of consumer satisfaction with the product. Review count of 218 is sufficient to establish a reliable track record of effectiveness and quality.

Value for money

96 Highest impact

Cost per serving of 0.11 offers excellent value for a dual-amino acid supplement. High quantity of 100 servings per bottle makes this an affordable choice for long-term health support.

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Ingredients

IngredientAmount per serving
L-Arginine
500 mg
L-Ornithine (L-Ornithine Hydrochloride)
250 mg
Adults 18–50
Report overview
Arginine · 500 mg OverallScore63
C+ Active Ingredient Quality & BioavailabilityD+ Dose, Safety & Label TransparencyB+ Value
This dual-amino acid formula supports metabolic pathways that are important for natural detoxification. It provides a foundational dose for those seeking a balance between arginine and ornithine.
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