Doctor's Best Natto-Serra is a dual-action, high-potency enzyme complex that improves circulation and boosts immunity and contains two enzymes, serrapeptase and nattokinase, that have been used for decades. It is a superb dietary supplement for joint and cardiovascular health, and serrapeptase and nattokinase promise natural support for better mobility, circulation, and reduced inflammation. 

It is highly suitable for people with dietary restrictions and is available as convenient, easy-to-swallow, non-GMO veggie capsules. It also contains many other natural and high-quality ingredients, e.g., high-quality water, gellan gum, medium-chain triglycerides, calcium stearate, etc., and reasonable safety and efficacy. Overall, it is a reliable choice for people who want to improve their joint and heart health. 

Features & benefits 

• Dual-action formula: Its dual-action formula contains serrapeptase and nattokinase, which reduce inflammation and improve joint and cardiovascular health. 

• Quality ingredients: If it has high-quality ingredients, it is non-GMO, gluten-free, and free of soy, gluten, and artificial additives. 

• Better circulation: It improves circulation, lowers the risk of clot formation, and supports joint mobility while reducing inflammation.

• Long-lasting results: It is suitable for people with diverse dietary needs and has delayed-release capsules for Long-lasting results.

Serrapeptase enzyme (from Serratia sp.) 40,000 SPU, Nattokinase (from fibrinase enzyme) 2,000 FU, Calcium (from tricalcium phosphate and calcium stearate in SerratericTM) 29 mg, SerratericTM (maltodextrin, tricalcium phosphate, calcium stearate, medium chain triglycerides), delayed release capsule (hypromellose, gellan gum, purified water). Contains Soy.

Refer to the product packaging label for ingredient updates.

UK, Europe & Rest of the World Shipping Details:
Same day dispatch for orders placed by 2pm (Orders after 2pm dispatched next working day).

Free shipping on orders over £45 to the UK.

Returns: Our products are meant to make you feel healthy and at your best. If you need to return your item, you can do so free of charge within 14 days in the same original and unopened packaging.

Take 1 capsule daily without food, or as recommended by a nutritionally informed physician. Store in a cool, dry place. Not recommended for individuals who are pregnant, lactating, allergic to soy, or have poor digestion. Consult a physician before use if taking blood thinners. Stop taking if you experience nausea, vomiting, or stomach upset.

Please consult the product packaging for accurate instructions on how to use the product.