Arginine Sustained Plus Immediate Release, 1000 mg Per Serving, 120 Bilayer Tablets ZServings_37 Helps regulate calcium and phosphorus

Helps regulate calcium and phosphorus levels needed for healthy bones and teeth

Best of all Effer-C is conveniently packaged so you can take it wherever you go

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

Suggested useAdult Use: Take 1 tablet twice daily

Arginine Sustained Plus Immediate Release, 1000 mg Per Serving, 120 Bilayer Tablets ZServings_37 Helps regulate calcium and phosphorusScience 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