HistDao
Buy It With
$52.00
Buy It With
$42.00
HistDAO™ is a patented enzyme formula containing diamine oxidase (DAO)—the main enzyme responsible for the degradation of ingested histamine. This enzyme has been clinically tested and found to break down food-derived histamine in the digestive tract. DAO is not absorbed and does not have systemic activity. HistDAO does not manage or address antibody-related or IgE-related food allergies.*
Frequently Asked Questions
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- Priority Shipping: Typically delivers within 4-7 business days after processing.
- Priority Express Shipping: Although it may estimate 1-day shipping, please note it is not overnight shipping. Delivery time varies and can take additional business days after processing. Allow one business day for processing before being shipped out.
Processing Time: Orders are processed Monday through Friday during business hours. Please allow at least 1 full business day for your order to be processed and shipped. Orders placed after 4pm on weekdays, or on weekends, will be processed the next business day.
Bulk Orders: While we understand the demand for bulk purchases, we want to clarify that Heal is primarily focused on serving individual customers and small-scale orders. We are not equipped to handle wholesale orders at this time. Our operations are tailored to meet the needs of individual consumers, and we may not have the capacity to fulfill large quantity orders.
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Our return policy is designed to ensure customer satisfaction while maintaining product integrity. We accept returns for unopened products within 30 days of purchase. Please note that custom tinctures and opened supplements are non-refundable due to health and safety considerations.
To initiate a return, please reach out to our office. Once the items are returned, we will begin the refund process, which typically takes 3-5 business days, depending on your bank.
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Use this text block to discuss some commonly asked questions like shipping and returns, sizing, warranties, or product and company details.
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Our dedicated team is here to assist you with any inquiries or concerns. You can reach us via email at [email protected] or by calling 512-619-2224. We strive to respond promptly and ensure your satisfaction.