How It Works: Nattokinase is an enzyme isolated from Natto, a traditional Japanese fermented soy food. Natto has been consumed safely for thousands of years for its numerous health benefits. More recently, both clinical and non-clinical studies have demonstrated that Nattokinase supports heart health and supports healthy circulation. Protocol For Life Balance is an A-rated GMP manufacturer of premium dietary supplements created for healthcare practitioners. Our product line is comprised of effective, science-based formulations intended to address common nutrient deficiencies and support healthy physiological function. These formulations are based on the latest advances in nutritional science and incorporate trademarked ingredients of the highest quality. Our serving sizes are based on doses used in clinical trials and other published data, and the ingredients used in our products have been tested for efficacy in clinical trials and laboratory studies. At Protocol For Life Balance our mission is to provide high-quality, affordable solutions that empower people to lead healthy and happy lives. Our extensive line of premium health products use well researched ingredients that meet the highest quality standards. Every Protocol For Life Balance product must pass a rigorous internal review to ensure relevance, efficacy, and quality.