What is the source of the dao? it’s not specified only the trademark name is.

It is derived from porcine (pork) kidney extract.

Why are the ingredients listes on this page not listes on the product label? What are the actual ingredients in this product. What is in the cap vs p

There is a picture of the ingredients with the 60 count version of this product, but not the 120 count. Click on the "60 Count (Pack of 1)" button above and you should see a product image with the ingredients label. Ingredients are: Vitamin C 10mg, Catalase 5mg, DAO (from DAOGest) 4.2 mg

Do I need to refrigerate this in the summer? Located in LA and it gets hot.

I live in Central Texas and I do not refrigerate this product. Outside it is 103 degrees midday, but I keep my place at 78 degrees indoors daytime and the product works well. I love this and have been using it for three years now. It has been a game changer for me.

Will this withstand heat and a long international flight?

Yes. This will withstand the heat.

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Description

🛡️ Defend your day, ditch histamine drama!

CLEAN PURE FORMULA - Gluten-free and Non-GMO to support your wellness without compromise.
CONVENIENT 120 CAPSULES - Long-lasting supply designed for daily adult use, fitting your busy lifestyle.
POWER PACKED 20 000 HDU - Maximize histamine neutralization with potent diamine oxidase enzyme per serving.
SUPPORTS NATURAL DEFENSES - Enhances your body's ability to manage dietary histamine effectively.
SCIENTIFICALLY BACKED INGREDIENTS - Includes Vitamin C and Catalase to boost enzyme activity and antioxidant support.

Omne Diem Histamine Digest DAO delivers a powerful 20,000 HDU dose of diamine oxidase enzyme per capsule, designed to support adults in managing histamine intolerance. This gluten-free, non-GMO supplement comes in a convenient 120-capsule format, enhanced with Vitamin C and Catalase to optimize enzyme function and antioxidant protection.

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Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.