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• Supports heart health and nitric oxide production to promote healthy circulation.
• Sustained-release design maintains arginine levels for ongoing support.
• May enhance athletic performance by supporting muscle capacity and cellular repair.
• Third-party certification confirms contents match label and absence of contaminants.
Experience targeted circulation support with Thorne L-Arginine Sustained-Release, designed to promote heart health and nitric oxide production while helping maintain steady arginine levels over time. The sustained-release formulation delivers ongoing availability to support circulation to the limbs and throughout the body, and it may help support athletic performance by promoting muscular capacity and cellular repair. Third-party certification reinforces quality and safety, reflecting Thorne's reputation among health-care professionals and athletes.