Arginine Sustained Plus Immediate Release, 1000 mg Per Serving, 120 Bilayer Tablets ZServings_37 Doctor's Best Natto-Serra is a

Doctor's Best Natto-Serra is a combination of two natural enzymes that have been used as dietary supplements for decades

We've included CoQ10 and Alpha Lipoic Acid for added metabolic support

Enteric Coated

Suggested useAdult Use: Take 1 tablet twice daily

Acai supports overall well-being by fighting free radicals that can affect the heart

Arginine Sustained Plus Immediate Release, 1000 mg Per Serving, 120 Bilayer Tablets ZServings_37 Doctor's Best Natto-Serra is aScience Based Nutrition Supports Nitric Oxide (NO) Levels* Non GMO Gluten Free Soy Free Vegan At Doctor's Best, we thrive on fitness victories. Our L Arginine Sustained Plus Immediate Release formula is expertly designed in a bilayer tablet format. Each serving of two tablets delivers 500 mg of sustained release and 500 mg of immediate release L arginine, supporting nitric oxide levels and cardiovascular health to empower a dynamic and active