The Natural D-Hist formula includes optimal support for nasal and sinus passageways for individuals who anticipate seasonal changes. 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.
Return & Refund Policy
Our customers are important to us. If you have an unopened product you wish to return, we will be happy to return the cost of the item to you, less any shipping charges previously billed. If you paid with a credit card, you will receive the credit on your account.
We are unable to accept opened items for return.
We offer free shipping in the United States for orders over $49. Our shipments are usually made via Priority Mail.
Expedited shipments, when possible, are subject to whatever extra costs are incurred for that shipment.