Xymogen HistDAO Tablets

HistoDAO^™ 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.

• Supports Healthy Degradation of Food-Derived Histamine*
• Enhances the Presence of Diamine Oxidase in the Digestive Tract*

• Unlike standard digestive enzymes used for digestion support, this enzyme has been clinically tested and found to break down food-derived histamine in the digestive tract.*
• Enhances the presence of diamine oxidase enzyme in the digestive tract. DAO is not absorbed and does not have systemic activity.*
• This unique enzyme encompasses our immune support, digestive health and gastrointestinal support categories.*
• DAO supplements formulated to Exclude: Wheat, gluten, corn, yeast, soy, dairy products, fish, shellfish, peanuts, tree nuts, egg, sesame, ingredients derived from genetically modified organisms (GMOs), artificial colors, and artificial sweeteners

This is a statement of nutritional support. This statement has not been evaluated by the Food & Drug Administration. This product is not intended to diagnose, treat, cure or prevent any diseases. Individual results may vary.

General Shipping Information

Orders over $75 ship FREE with Standard Shipping
Orders must total $75 before tax (and after any promotional discounts) to qualify. We do not ship internationally at this time.

In most cases, we are able to ship orders placed before 1:00 pm central time on the same day.

Estimated delivery time: 3-5 business days.

Pick Up Orders: pick-up orders placed before 2:00 are generally ready same day. However, we will contact you when the products are ready for pick up in our Bee Cave Alive + Well Store.

Texas Orders: local Austin orders are generally delivered next business day - without any additional fees. Most major Texas cities are also eligible for next business day delivery (call to learn if your city is eligible for next day delivery)

USPS Priority Shipping
Estimated delivery time: 3-5 business days.

2-Day and Overnight: Order must be placed by 12pm CST for processing on same day. Orders placed after 12pm CST on Thursday will ship on Friday and will be delivered on the following Monday (via Overnight) or Tuesday (via 2-Day). Orders placed after 12pm on Friday will ship on the following Monday. 2-Day and Overnight orders cannot be delivered on Saturdays or federal holidays. Not available for delivery to PO Boxes.

Standard Shipping: Orders shipped via standard shipping may be delivered to PO Boxes and APO/FPO/DPO addresses. Shipping carrier and method will be determined by Alive + Well's Shipping Department. Standard shipping time is 3-5 business days.

Shipments outside the continental US: 2-Day and Overnight shipping orders to Alaska and Hawaii are subject to an additional charge of $10.  
Shipments to Puerto Rico can only be done via USPS; 2-Day and Overnight shipping options are not available.

Shipping Refrigerated Products : Our manufacturers formulate their probiotics to ensure their products retain viability until they reach the consumer. Probiotics that are recommended to be refrigerated remain so until the time of shipment, then shipped alongside an ice pack to ensure potency (Note: Ice pack will not arrive frozen, and product may not arrive cold). However, you may want to consider using 2-Day and Overnight shipping methods when purchasing probiotics to ensure maximum potency.

Orders placed on a Thursday-Sunday requiring cold shipping will not ship until the following Monday.

Shipping Address: A safe and accurate address for delivery must be provided at the time the order is placed. Once an order has shipped, Alive + Well is not responsible for lost or stolen packages confirmed to be delivered to the address as entered for the order. If the tracking indicates the package has been delivered, you would be required to place a new order.

AUTOSHIP ORDERS

When you subscribe for Autoship, you'll save 10% on future automatic order (select products do not include a discount on recurring orders). You can skip an order, change the frequency, pause your subscription, or cancel at any time. Your credit card will be billed and the order will be shipped on the same day the order is set to process. You can update your Autoship schedule or make any changes to the order in your online account. You can cancel this schedule at any time.

Additional discounts cannot be applied to autoship products.

Shopping is risk-free with our 30-day return guarantee*. If for any reason you are not satisfied with your purchase, simply send the unused portion back to Alive and Well within 30 days of purchase. Return postage is the responsibility of the customer. You will receive a full refund for the item(s) in the original form of payment. After we process your return, it may take several business days for the refund to appear on your credit card, depending on your financial institution.

*Select products are final sale.

Please note that we are only able to process returns for a maximum of 3 items per year.

Shipping and handling charges are non-refundable. For returns via mail, the product must include your full name, order number and be carefully packaged.  Return postage is the responsibility of the customer.

Once your return has been received, a refund will be issued within 14 days in the original form of payment, and an email confirmation will be sent.

Please return shipments to the following address:

Alive + Well Returns3944 Ranch Road 620Bldg 8, Ste 100Bee Cave, TX 78738

XYMOGEN

Xymogen's formulas have been used and trusted by thousands of practitioners and patients nationwide for over 20 years. They are diligent about finding the best raw materials, and their exacting standards of quality, purity, and efficacy are driving more practitioners and patients to them every day. They are on the leading-edge of the science to provide innovative, dynamic, and ever-evolving formulations.