Doctor's Best Serrapeptase helps support healthy sinuses and helps breakdown unwanted proteins. Serrapeptase has been used as a nutritional supplement in Europe and Asia for more than three decades. Known to promote healthy sinuses and airway function, it is a protein-digesting enzyme isolated from the friendly bacteria Serratia E-15, which is found in the Japanese silkworm.* Doctor's Best chose Serrateric for this formula because it protects the individual enzyme until it reaches the intestine. This allows you to more efficiently absorb the nutrient.* You can breathe a little easier with Doctor's Best Serrapeptase.

Serrapeptase is one of the most potent proteolytic enzymes that has been studied and clinically tested. It helps dissolve hard particles made of protein that cause unwanted side effects from toxins, scar tissue, blood clots and cysts.*

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