L-Arginine Amino Acid 500 mg Vegetarian Capsules

L-Arginine is an amino acid that has been shown to support the cardiovascular system and promote vigorous heart function.* It is an important factor in muscle metabolism and works to transport, store, and excrete nitrogen.* It is required in the formation of Nitric Oxide (NO) to enhance healthy circulation throughout the body.* Natural Factors amino acids are the highest-quality pharmaceutical-grade products available.
  • Supports the cardiovascular system and promotes vigorous heart function*
  • An important factor in muscle metabolism*
  • Required in the formation of nitric oxide (NO) to promote healthy circulation throughout the body*
SKU: 2808U
In Store Exclusive
View allergy info
Regular price $23.95
Sale price $23.95 Regular price
Shipping calculated at checkout.
Form Tablets Vegetarian Capsules
Strength 500 mg
Size
Find a Retailer
Skip to product information
  • L-Arginine for Natural Factors |variant|hi-res|2821U
  • L-Arginine for Natural Factors |variant|hi-res|2821U
  • L-Arginine for Natural Factors |variant|hi-res|2808U
  • L-Arginine for Natural Factors |variant|hi-res|2808U
  • L-Arginine for Natural Factors |variant|hi-res|2821U
  • L-Arginine for Natural Factors |variant|hi-res|2821U
  • L-Arginine for Natural Factors |variant|hi-res|2808U
  • L-Arginine for Natural Factors |variant|hi-res|2808U
Key Ingredient

Quercetin

Quercetin is a natural plant pigment classified as a bioflavonoid. This key dietary antioxidant helps mitigate oxidative stress by scavenging and neutralizing free radicals in the body and improves the antioxidant activity of other dietary compounds such as vitamin C (Askari et al., 2021).

Quercetin

Learn More About Quercetin

Find out why this little known substance is the latest addition to your daily health regime.

Learn More
Key Ingredient

Turmeric 

Native to Southeast Asia, the brilliant yellow spice turmeric is a member of the ginger family. Arguably the best-known botanical today, the use of turmeric for both culinary and medicinal purposes dates back nearly 4,000 years.

A spoonful of turmeric

What are the Benefits of Turmeric? 

Find our how adding turmeric to your supplement regimen can help support your overall health. 

Learn More
Key Ingredient

Oregano

Oregano is no average herb. For fans of Mediterranean cuisine, oregano’s unique aroma and flavor are definitely recognizable, but did you know that it has a long list of health benefits, including antioxidant and anti-inflammatory benefits?

A spoonful of oregano

What are the Benefits of Oregano?

Find out how adding Oregano to your supplement regimen can support your health.

Learn More
Key Ingredient

Licorice Root

Before it became a popular culinary ingredient, licorice was used as a medicine by ancient civilizations throughout Europe and Asia. 

Liquorice root

What are the Benefits of Licorice Root?

Find out how adding Licorice Root to your supplement regimen can support your digestive health.

Learn More
Key Ingredient

Echinacea

Echinacea, a popular flowering plant native to North America, is no stranger to health enthusiasts. Echinacea may be beautiful to look at, but did you know it also has a long list of health benefits?

Echinacea and dried echinacea flowers

What are the Benefits of Echinacea?

Find out why this plant is so much more than a nice addition to your garden. 

Learn More
Key Ingredient

Cranberry

For many people, these tart North American berries are too lip-puckering to eat fresh. Thankfully, cranberry extracts offer an even more concentrated source of antioxidants than their fresh counterparts.

Cranberries

What are the Benefits of Cranberry? 

Find out how adding cranberry to your supplement regimen can support your health.  

Learn More
Key Ingredient

Milk Thistle

This Mediterranean herb with spiky purple flowers, named after its milky white veins, has been treasured for its healing properties since the first century AD.

Milk thistle

What are the Benefits of Milk Thistle?

Find out how adding Milk Thistle to your supplement regimen can support a healthy liver.

Learn More
Key Ingredient

Wild Alaskan Salmon

Wild Salmon Oil delivers essential fatty acids just as nature intended.

Wild Alaskan salmon jumping up river

What are the Benefits of Wild Alaskan Salmon Oil?

Find out how adding this sustainably caught salmon oil to your supplement regimen can help support your overall health.  

Learn More
Key Ingredient

Pharma GABA

Gamma-aminobutyric acid, also simply known as GABA, has been clinically shown to be effective in helping soothe a racing mind.

A scoop of PharmaGABA powder

What is Pharma GABA®?

Find out how adding this natural form of the calming brain compound gamma-aminobutyric acid to your supplement regimen can help support your mental health. 

Learn More

What Else Should I Know?

Suggested Usage

2 capsules 1–3 times per day or as directed by a health professional.

Warnings: As with any supplement, consult your health professional before use if you are pregnant, breastfeeding, or trying to conceive, or if you are taking medication, have a medical condition, or anticipate a surgery. Do not use if you have had a myocardial infarction or have established coronary and artery disease. Keep out of the reach of children.

Allergy Information

Contains no artificial colors, preservatives, or sweeteners; no dairy, sugar, wheat, gluten, yeast, soy, corn, egg, fish, shellfish, animal products, salt, tree nuts, or GMOs.

Map location dot icon

Where can I find this?

Find this product from one of our trusted independent natural health retailers.

Find a Retailer