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Thorne L-Arginine Plus (formerly Perfusia Plus)

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By Thorne


L-arginine is a conditionally essential amino acid, meaning that while your body can make it, it becomes necessary to get it in through diet or supplementation under certain circumstances or for certain physical conditions. L-arginine, like other amino acids, is a building block of protein, which helps to promote muscle and tissue healing, helps to support a healthy immune system, and benefits cellular metabolism.*

One of L-arginine’s unique functions is that it is necessary for the production of nitric oxide.* Nitric oxide is essential to the regulation of blood blow in the body.* By supporting nitic oxide levels, L-arginine can support cardiovascular health, benefit healthy blood pressure, and optimize blood flow to the extremities.*

Thorne’s L-Arginine Plus combines L-arginine with our Time-Sorb® complex to help maintain an optimal levels of L-arginine over 24 hours with suggested use.*

The addition of nutrients and antioxidants to the L-Arginine Plus formula provides additional support for healthy aging.* Nutrients and cofactors support the benefits of nitric oxide and help optimize normal blood flow and vascular health.*

Benefits of L-Arginine Plus

Helps maintain normal blood pressure and benefits vascular elasticity*
Added nutrients and cofactors to optimize benefits of nitric oxide and healthy blood flow*
Helps promote wound healing after injury or trauma*
Supports blood flow to the extremities to increase work capacity during exercise*
Benefits the occurrence and maintenance of erections during intimacy*
Antioxidant support for healthy aging and cardiovascular health*

Who can benefit

Individuals who want to maintain healthy blood pressure and support cardiovascular health*
Athletes wanting enhanced blood flow to increase work capacity during exercise*
Individuals desiring increased blood flow to the extremities*
A person needing support for wound healing*
Individuals who want to support sexual wellness*

Key Features of L-Arginine Plus

L-arginine plus botanicals and nutrient to optimize the blood flow benefits*
Sustained release formula to maintain optimal levels over time when used as suggested*


Take 3 capsules two times daily or as recommended by your health professional.



This product is contraindicated in an individual with a history of hypersensitivity to any of its ingredients.


If pregnant, consult your health professional before using this product.


5-methyltetrahydrofolate (5-MTHF) supplementation is not recommended concurrent with methotrexate cancer therapy, as it can interfere with methotrexate's anti-neoplastic activity; however, this folate source has not been shown to interfere with the anti-inflammatory activity of methotrexate. An individual taking methotrexate for psoriasis or rheumatoid arthritis can safely take a supplement containing folate.

Individuals with a known herpes infection should not take L-arginine without also taking lysine, as L-arginine alone has been noted to cause herpes eruptions in susceptible individuals. L-arginine supplementation is contraindicated in a patient with hepatocellular carcinoma.