Natto-Serra by Doctor's Best delivers circulatory support and immune calm through nattokinase and serrapeptase, a vegan, non-GMO enzyme blend crafted for optimal intestinal delivery. Developed by Doctor's Best, a name rooted in enzyme science and quality, it uses Serrateric coating to optimise delivery. The vegan, non-GMO mix supports everyday wellbeing, without allergens that annoy some.

Available Sizes & Variants:

90 capsules — convenient daily dose for ongoing circulatory support

Benefits & Features:

• Supports healthy circulation with natural fibrinolytic action.
• Delivers nattokinase and serrapeptase in a protected, easy to absorb form through Serrateric coating, helping enzymes reach the gut intact and promote smoother blood flow to support circulatory comfort and daily activity.
• Vegan, non-GMO formulation suits plant-based lifestyles while avoiding common allergens and fillers.
• Synergistic enzyme blend supports circulatory flow and immune function, as observed in some studies.
• Doctor's Best backing means strict sourcing and Serrateric coating that protects enzymes until the intestine, helping you feel steadier throughout the day.

Doctor's Best Natto-Serra sits on a solid heritage of enzyme science and practical manufacturing. Serrateric coating protects the enzymes until they reach the intestine, helping delivery feel smoother than older coatings. Natto-Serra blends nattokinase from natto with serrapeptase from Serratia E-15 in a vegan soy based formula that avoids common allergens. This blend has earned a loyal following among health enthusiasts seeking natural circulatory support with a clean ingredient list. Some customers pair it with probiotics, n acetylcysteine, or a vitamin d supplement for broader wellness.