HistaGest-DAO™

Dietary Histamine Metabolism Support*
20,000 histamine‐degrading units of diamine oxidase (DAO) to support those with sensitivities to histamine-rich foods.*
DAO is the digestive enzyme responsible for breaking down food‑derived histamine, to help support normal and healthy histamine metabolism.*
• Promotes normal histamine metabolism*
• Promotes the breakdown of food‑derived histamines*
• Enhances DAO activity in the gastrointestinal (GI) tract*
• May support individuals who are intolerant to histamine‑rich foods*
Designs for Health's logo, text, trademarks, graphics, and photo images are the property of Designs for Health, Inc. and are used with permission. Copyright © 2026.
*FDA Disclaimer: The information about this product and statements made are provided by the manufacturer, except customer reviews which are not evaluated. See www.designsforhealth.com for information about the relationship between this product and any claims made. Results may vary from person to person based on body size and other factors, and the effectiveness is not guaranteed for you. Always seek the advice of your healthcare professional about taking dietary, nutritional, herbal or homeopathic supplements.
Dietary Histamine Metabolism Support*
20,000 histamine‐degrading units of diamine oxidase (DAO) to support those with sensitivities to histamine-rich foods.*
DAO is the digestive enzyme responsible for breaking down food‑derived histamine, to help support normal and healthy histamine metabolism.*
• Promotes normal histamine metabolism*
• Promotes the breakdown of food‑derived histamines*
• Enhances DAO activity in the gastrointestinal (GI) tract*
• May support individuals who are intolerant to histamine‑rich foods*
Designs for Health's logo, text, trademarks, graphics, and photo images are the property of Designs for Health, Inc. and are used with permission. Copyright © 2026.
*FDA Disclaimer: The information about this product and statements made are provided by the manufacturer, except customer reviews which are not evaluated. See www.designsforhealth.com for information about the relationship between this product and any claims made. Results may vary from person to person based on body size and other factors, and the effectiveness is not guaranteed for you. Always seek the advice of your healthcare professional about taking dietary, nutritional, herbal or homeopathic supplements.
Take 1 tablet just prior to the consumption of histamine-rich foods or as directed by your health-care practitioner. (Take by mouth and swallow whole 20 minutes before meals.)