Natural D-Hist® Blister Packs

Natural D-Hist® is a targeted blend of flavonoids, antioxidants, proteolytic enzymes and botanicals designed to provide comprehensive support for seasonal challenges caused by common environmental allergens. The formula includes quercetin, bromelain, stinging nettles leaf, and N-acetyl cysteine. The powerful combination actively promotes healthy nasal and sinus passages for individuals with elevated histamine and respiratory irritation.
Ortho Molecular Products' logo, text, trademarks, graphics, video, and photo images are the property of Ortho Molecular Products, Inc. and are used with permission. Copyright © 2026
For California Residents: California Health and Safety Code section 25249.5 et seq. (Proposition 65) Warning : Consuming this product can expose you to chemicals including lead, which are known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, go to www.P65warnings.ca.gov/food.
*FDA Disclaimer: The information about this product and statements made are provided by the manufacturer, except customer reviews which are not evaluated. See www.orthomolecularproducts.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.
Natural D-Hist® is a targeted blend of flavonoids, antioxidants, proteolytic enzymes and botanicals designed to provide comprehensive support for seasonal challenges caused by common environmental allergens. The formula includes quercetin, bromelain, stinging nettles leaf, and N-acetyl cysteine. The powerful combination actively promotes healthy nasal and sinus passages for individuals with elevated histamine and respiratory irritation.
Ortho Molecular Products' logo, text, trademarks, graphics, video, and photo images are the property of Ortho Molecular Products, Inc. and are used with permission. Copyright © 2026
For California Residents: California Health and Safety Code section 25249.5 et seq. (Proposition 65) Warning : Consuming this product can expose you to chemicals including lead, which are known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, go to www.P65warnings.ca.gov/food.
*FDA Disclaimer: The information about this product and statements made are provided by the manufacturer, except customer reviews which are not evaluated. See www.orthomolecularproducts.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.
Loading Dose: 2 capsules three times per day for 7-10 days or as recommended by your health care professional.
Maintenance: 2 capsules per day or as recommended by your health care professional.