{"num_reviews":8,"url":"https://covenanthealthproducts.com/natural-d-hist-by-ortho-molecular","add_this":[{"service":"facebook","annotation":""},{"service":"twitter","annotation":""},{"service":"linkedin","annotation":""}],"gtin":null,"brand":{"name":"Ortho Molecular Products","url":"https://covenanthealthproducts.com/ortho-molecular-products/"},"id":16913,"can_purchase":true,"meta_description":"Ortho Molecular Product Natural D-Hist supports sinus health, clears nasal passages, and promotes immune balance with natural, non-drowsy ingredients.","category":["Brands/Ortho Molecular Products Supplements and Vitamins","Clinic Recommended Products","Clinic Recommended Products/Allergy Products","Clinic Recommended Products/Immune Support Supplements/Allergy Immune Supporting Supplements","Clinic Recommended Products/Allergy Products/Seasonal Allergies"],"AddThisServiceButtonMeta":"","main_image":{"data":"https://cdn11.bigcommerce.com/s-35tuw7jhw2/images/stencil/{:size}/products/16913/31583/Natural_D-Hist_120__34418.1731092255.png?c=1","alt":"Ortho Molecular Products - Natural D-Hist"},"add_to_wishlist_url":"/wishlist.php?action=add&product_id=16913","shipping":{"calculated":true},"custom_fields":[{"id":"153141","name":"Brand","value":"<a href='/Ortho-Molecular-Products_c_2954.html'><img src=https://cdn11.bigcommerce.com/s-35tuw7jhw2/product_images/uploaded_images/brand-logos/ortho-molecular-products_278x90.png\" width=\"278\" height=\"90\"></a>"},{"id":"153142","name":"How to Order","value":"<a href=\"/restricted-brands-access/\"><img class=\"lazyload\" data-sizes=\"auto\" data-src=\"/product_images/uploaded_images/register-to-purchase-button.png\" width=\"183\" height=\"32\" alt=\"Register to Purchase this product\"></a>"},{"id":"153143","name":"Registered","value":"<a href=\"tel:800-627-6518\"><img class=\"lazyload\" data-sizes=\"auto\" data-src=\"/product_images/uploaded_images/call-to-order-restricted-brands.png\" width=\"183\" height=\"32\" alt=\"Call to Purchase this product\"></a>"},{"id":"153144","name":"Questions","value":"<a href='/complimentary-product-consultation/'><img src=https://cdn11.bigcommerce.com/s-35tuw7jhw2/product_images/uploaded_images/need_someone_to_talk_to_250px.png\"></a><div><a href=\"/need-product-help\">Talk to an Expert</a></div>"},{"id":"153145","name":"Clinic Approved","value":"Yes"},{"id":"153393","name":"Blog Post","value":"<a href='/our-blog/ortho-molecular-product-natural-d-hist'><img src=https://cdn11.bigcommerce.com/s-35tuw7jhw2/product_images/uploaded_images/Click_here_for_Blog_250px.png\"></a><a href=\"/blog\">View Blog Post</a>"},{"id":"158675","name":"Ship time","value":"Ships Same Business Day"}],"sku":"OM-524120","description":"<h2>Ortho Molecular Product Natural D-Hist &ndash; Targeted Seasonal Support for Sinus &amp; Respiratory Health</h2>\n<p>Ortho Molecular Product Natural D-Hist is a professional-grade supplement designed to provide <strong>powerful seasonal support</strong>. This advanced formula helps <strong>maintain immune balance</strong> in hypersensitive individuals and supports clear nasal passages, normal mucus viscosity, and optimal sinus and respiratory function.</p>\n<p>By blending potent botanical ingredients with antioxidants and enzyme support, Natural D-Hist promotes <strong>healthy histamine levels</strong> while <strong>minimizing side effects</strong> commonly found in traditional seasonal relief options.</p>\n<h3>Natural D Hist Benefits</h3>\n<ul>\n<li><strong>Supports immune balance</strong> in hypersensitive individuals</li>\n<li>Encourages <strong>healthy sinus and respiratory function</strong></li>\n<li>Promotes <strong>normal viscosity</strong> of mucus</li>\n<li>Helps maintain <strong>clear nasal passages</strong></li>\n<li><strong>Non-drowsy</strong>, <strong>natural</strong> seasonal support</li>\n</ul>\n<h3>How Natural D Hist Works</h3>\n<p>Natural D-Hist works through a synergistic combination of clinically researched ingredients that target multiple pathways:</p>\n<ul>\n<li><strong><a title=\"Recent Advances in Potential Health Benefits of Quercetin\" href=\"https://pubmed.ncbi.nlm.nih.gov/37513932/\" target=\"_blank\" rel=\"noopener\">Quercetin</a></strong> &ndash; A flavonoid with antioxidant properties that helps stabilize mast cells to regulate histamine release.</li>\n<li><a title=\"Nutritional and pharmacological importance of stinging nettle (Urtica dioica L.): A review\" href=\"https://pmc.ncbi.nlm.nih.gov/articles/PMC9253158/\" target=\"_blank\" rel=\"noopener\"><strong>Stinging Nettles Leaf</strong></a> &ndash; Traditionally used for upper respiratory support, this herb offers fast-acting relief for sinus and nasal health.</li>\n<li><strong><a title=\"Exploring the Therapeutic Potential of Bromelain: Applications, Benefits, and Mechanisms\" href=\"https://pmc.ncbi.nlm.nih.gov/articles/PMC11243481/#:~:text=Inflammation%2C%20Edema%2C%20and%20Swelling,sports%20injuries%2C%20and%20postoperative%20recovery.\" target=\"_blank\" rel=\"noopener\">Bromelain</a></strong> &ndash; An enzyme derived from pineapple that enhances absorption and supports mucosal tissue health.</li>\n<li><a title=\"A Review on Various Uses of N-Acetyl Cysteine\" href=\"https://pmc.ncbi.nlm.nih.gov/articles/PMC5241507/#:~:text=N%2Dacetyl%20cysteine%20(NAC),NAC%20is%20a%20powerful%20antioxidant.\" target=\"_blank\" rel=\"noopener\"><strong>N-Acetyl-L-Cysteine (NAC)</strong></a> &ndash; Promotes healthy mucus viscosity and helps detoxify environmental stressors.</li>\n<li><a title=\"The health effects of vitamin C supplementation: a review\" href=\"https://pubmed.ncbi.nlm.nih.gov/7790686/#:~:text=A%20comprehensive%20review%20of%20the,%2C%20cardiovascular%20disease%2C%20and%20cataracts.\" target=\"_blank\" rel=\"noopener\"><strong>Vitamin C</strong></a> &ndash; A powerful antioxidant that supports overall immune function.</li>\n</ul>\n<p>This formula is designed for safe daily use and does <strong>not</strong> contain common allergens or artificial additives.</p>\n<h3>Who Should Use Natural D Hist</h3>\n<p>Natural D-Hist is ideal for individuals who:</p>\n<ul>\n<li>Suffer from <strong>seasonal allergies</strong> or environmental sensitivities</li>\n<li>Seek <strong>natural alternatives</strong> for sinus and respiratory support</li>\n<li>Desire a <strong>non-drowsy</strong>, <strong>non-habit-forming</strong> formula</li>\n<li>Want a <strong>safe</strong> and <strong>gentle</strong> option that supports immune balance</li>\n<li>Value a product that supports <strong>joint</strong>, <strong>bone</strong>, and <strong>skin health</strong> through reduced inflammation</li>\n</ul>\n<p>Supplements support your health but do not replace a balanced diet. Always check with your healthcare practitioner if you have doubts about a new supplement. Or, you may book a <strong><a title=\"Complimentary Product Consultation\" href=\"https://covenanthealthproducts.com/complimentary-product-consultation/\" target=\"_blank\" rel=\"noopener\">FREE product consultation</a>&nbsp;</strong>at Covenant Health Products. You may want to look at our other <a title=\"Immune Support Supplements\" href=\"https://covenanthealthproducts.com/clinic-recommended-products/immune-support/\" target=\"_blank\" rel=\"noopener\"><strong>Immune Support</strong></a> products!&nbsp;</p>\n<div><strong>Recommendation:</strong></div>\n<div>Ortho Molecular suggests a <strong>loading dose</strong> of 2 capsules of Natural D-Hist 3 times daily or as directed by your healthcare professional. For <strong>maintenance</strong>, take 2 or more capsules daily.</div>\n<div>&nbsp;</div>\n<div><strong>Serving Size:</strong> 2 Capsules</div>\n<div><strong>Servings Per Container:</strong> 20 or 60</div>\n<div>&nbsp;</div>\n<div><strong>Ingredients per Serving:</strong></div>\n<div>Vitamin C (Ascorbic Acid USP) 300 mg</div>\n<div>Quercetin Dihydrate 400 mg</div>\n<div>Stinging Nettles (Leaves) 400 mg</div>\n<div>Bromelain 100 mg (240 GDU)</div>\n<div>N-Acetyl-L-Cysteine USP 50 mg</div>\n<p>&nbsp;</p>\n<p><strong>Free From:</strong> Wheat, gluten, soy, dairy, animal products, shellfish, peanuts, tree nuts, egg, artificial colors, sweeteners, preservatives.</p>\n<p><strong>Caution:</strong> If you are pregnant or nursing, consult your physician before use.</p>\n<p><em>These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease.</em></p>","tags":[],"warranty":"","price":{"without_tax":{"formatted":"$48.80","value":48.8,"currency":"USD"},"tax_label":"Tax"},"detail_messages":"","availability":"Ships Same Business Day","page_title":"Natural D-Hist | Ortho Molecular Products","cart_url":"https://covenanthealthproducts.com/cart.php","max_purchase_quantity":4,"mpn":"524120","upc":null,"options":[{"id":46480,"type":"Configurable_PickList_Set","display_name":"Size","required":true,"condition":true,"state":"variant_option","values":[{"label":"Blister Pack","id":159763,"data":"Blister Pack","selected":false},{"label":"40 CT","id":159764,"data":"40 CT","selected":false},{"label":"120 CT","id":159765,"data":"120 CT","selected":true}],"partial":"set-rectangle"},{"id":35737,"type":"Configurable_PickList_Set","display_name":"Recurring Order","required":true,"condition":false,"state":"modifier","values":[{"label":"One Time Purchase","id":48845,"data":"One Time Purchase","selected":true},{"label":"Every 20 Days","id":48846,"data":"Every 20 Days","selected":false},{"label":"Every 30 Days","id":48847,"data":"Every 30 Days","selected":false},{"label":"Every 40 Days","id":48848,"data":"Every 40 Days","selected":false},{"label":"Every 45 Days","id":159647,"data":"Every 45 Days","selected":false},{"label":"Every 60 Days","id":48849,"data":"Every 60 Days","selected":false},{"label":"Every 90 Days","id":48850,"data":"Every 90 Days","selected":false},{"label":"Every 120 Days","id":48851,"data":"Every 120 Days","selected":false},{"label":"Every 180 Days","id":48852,"data":"Every 180 Days","selected":false}],"partial":"set-select"}],"related_products":[{"id":17588,"sku":"XY-HISTA60","name":"HistDAO 60 C - Product is NO longer available.","url":"https://covenanthealthproducts.com/histdao-60-capsules-xymogen/","availability":"This product is no longer available","rating":5,"brand":{"name":"Xymogen"},"category":[],"summary":"\n\n\nHistDAO 60 Capsules by Xymogen\n\n\nXymogen’s patented HistDAO is an enzyme formulation supplying DOA (diamine oxidase). DOA is the primary enzyme responsible in regard to the degradation associated...","image":{"data":"https://cdn11.bigcommerce.com/s-35tuw7jhw2/images/stencil/{:size}/products/17588/29037/histdao-60-capsules__65250.1642170424.jpg?c=1","alt":"HistDAO 60 C by Xymogen"},"images":[{"data":"https://cdn11.bigcommerce.com/s-35tuw7jhw2/images/stencil/{:size}/products/17588/29037/histdao-60-capsules__65250.1642170424.jpg?c=1","alt":"HistDAO 60 C by Xymogen"},{"data":"https://cdn11.bigcommerce.com/s-35tuw7jhw2/images/stencil/{:size}/products/17588/21650/HistoDAO60cL__37814.1642170424.PNG?c=1","alt":"HistDAO 60 C by Xymogen"}],"date_added":"Dec 06, 2021","pre_order":false,"show_cart_action":false,"has_options":false,"stock_level":null,"low_stock_level":null,"qty_in_cart":0,"custom_fields":[{"id":150985,"name":"Brand","value":"<a href='/brands/xymogen-professional-formulas/'><img src=https://cdn11.bigcommerce.com/s-35tuw7jhw2/product_images/uploaded_images/brand-logos/xymogen_278x90.png\" width=\"278\" height=\"90\"></a>"},{"id":150986,"name":"Questions","value":"<a href='/need-product-help'><img src=https://cdn11.bigcommerce.com/s-35tuw7jhw2/product_images/uploaded_images/need_someone_to_talk_to_250px.png\"></a><div><a href=\"/need-product-help\">Talk to an Expert</a></div>"},{"id":150987,"name":"Blog Post","value":"<a href='/mastering-histamine-balance-with-histdao-by-xymogen'><img src=https://cdn11.bigcommerce.com/s-35tuw7jhw2/product_images/uploaded_images/Click_here_for_Blog_250px.png\"></a><div><a href=\"/blog\">View Blog Post</a></div>"}],"num_reviews":1,"weight":{"formatted":"0.00 Ounces","value":0},"demo":false,"price":{"without_tax":{"currency":"USD","formatted":"$66.99","value":66.99},"tax_label":"Tax"},"add_to_wishlist_url":"/wishlist.php?action=add&product_id=17588"},{"id":25780,"sku":"HRT1","name":"Hist Reset 120c","url":"https://covenanthealthproducts.com/hist-reset-120c-pure-encapsulations","availability":"Ships Same Business Day","rating":0,"brand":{"name":"Pure Encapsulations"},"category":["Brands/Pure Encapsulations Supplements and Vitamins","Clinic Recommended Products","Clinic Recommended Products/Allergy Products","Clinic Recommended Products/Immune Support Supplements/Allergy Immune Supporting Supplements","Clinic Recommended Products/Allergy Products/Seasonal Allergies"],"summary":"\n\nHist Reset 120c by Pure Encapsulations - Characteristics\n\nPure Encapsulations' Hist Reset offers a multi-faceted approach to supporting nasal and respiratory health. This dietary supplement is...","image":{"data":"https://cdn11.bigcommerce.com/s-35tuw7jhw2/images/stencil/{:size}/products/25780/32257/hist-reset-120c-pure-encapsulations__75623.1711371269.jpg?c=1","alt":"Hist Reset 120c Pure Encapsulations"},"images":[{"data":"https://cdn11.bigcommerce.com/s-35tuw7jhw2/images/stencil/{:size}/products/25780/32257/hist-reset-120c-pure-encapsulations__75623.1711371269.jpg?c=1","alt":"Hist Reset 120c Pure Encapsulations"}],"date_added":"Dec 06, 2021","pre_order":false,"show_cart_action":true,"has_options":true,"stock_level":null,"low_stock_level":null,"qty_in_cart":0,"custom_fields":[{"id":151631,"name":"Brand","value":"<a href='/brands/pure-encapsulations/'><img src=https://cdn11.bigcommerce.com/s-35tuw7jhw2/product_images/uploaded_images/brand-logos/pure-encapsulations_278x90.png\" width=\"278\" height=\"90\"></a>"},{"id":151632,"name":"Questions","value":"<a href='/complimentary-product-consultation/'><img src=https://cdn11.bigcommerce.com/s-35tuw7jhw2/product_images/uploaded_images/need_someone_to_talk_to_250px.png\"></a><div><a href=\"/need-product-help\">Talk to an Expert</a></div>"},{"id":151633,"name":"Clinic Approved","value":"Yes"},{"id":156880,"name":"Ship time","value":"Ships Same Business Day"}],"num_reviews":0,"weight":{"formatted":"0.00 Ounces","value":0},"demo":false,"price":{"without_tax":{"currency":"USD","formatted":"$58.60","value":58.6},"tax_label":"Tax"},"add_to_wishlist_url":"/wishlist.php?action=add&product_id=25780"}],"shipping_messages":[],"rating":5,"reviews":{"messages":[],"captcha":"6LdWf8gSAAAAAI83aRectJhbwidegZKk8PzWBltH","total":8,"show_review_email":true,"end":8,"recaptcha":{"enabled":1,"public_key":"6LdWf8gSAAAAAI83aRectJhbwidegZKk8PzWBltH","markup":"<div class=\"g-recaptcha\" data-sitekey=\"6LcjX0sbAAAAACp92-MNpx66FT4pbIWh-FTDmkkz\"></div><br/>"},"start":1,"list":[{"name":"Gail Root","rating":"5","title":"So far so good","text":"On my 7th day of &quot;loading&quot; and can already tell the difference of before D-Hist and after. I&#039;ll stick with this through allergy season. So happy to find a natural remedy.","date":"Apr 30, 2020"},{"name":"Melissa Campbell","rating":"5","title":"Great product","text":"My husband takes this everyday for seasonal and environmental allergies. For him, it works better than any OTC drug without the side effects.","date":"Apr 07, 2020"},{"name":"Rose Helmbright","rating":"5","title":"Ms.","text":"This really helps here in PA&gt;","date":"Oct 02, 2019"},{"name":"lori5000","rating":"5","title":"Review","text":"I love this product, it takes care of my sneezing and no more sinus headaches or antibiotics for sinus infections. It has nipped those days in the bud!","date":"Oct 19, 2018"},{"name":"Susan M","rating":"5","title":"Review","text":"We love this product. Non drowsy works very well on sinus headaches or heavy feeling fluid in you sinus cavity have used for 4 years as needed and keep it in our cabinet don’t want to be without this product ","date":"Jul 23, 2018"},{"name":"CharlotteV","rating":"5","title":"Review","text":"So glad I found this for my allergies!","date":"Dec 08, 2017"},{"name":"nita","rating":"5","title":"Review","text":"this works great foe allergies. i take it daily. its a little pricey but covenent had a coupon witch helped","date":"Oct 22, 2016"},{"name":"Danette Moore","rating":"5","title":"D-HIST","text":"I&#039;m pretty much free of allergy symptoms since my integrative doctor recommended DHIST. Great product! ","date":"Dec 28, 2011"}]},"bulk_discount_rates":[],"meta_keywords":"","show_quantity_input":1,"title":"Natural D-Hist","gift_wrapping_available":false,"min_purchase_quantity":1,"customizations":[],"images":[{"data":"https://cdn11.bigcommerce.com/s-35tuw7jhw2/images/stencil/{:size}/products/16913/31583/Natural_D-Hist_120__34418.1731092255.png?c=1","alt":"Ortho Molecular Products - Natural D-Hist"},{"data":"https://cdn11.bigcommerce.com/s-35tuw7jhw2/images/stencil/{:size}/products/16913/39647/natural-d-hist-label__03581.1743534575.jpg?c=1","alt":"Ortho Molecular Products Label - Natural D-Hist"}]}
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Ortho Molecular Products - Natural D-Hist

Natural D-Hist

Ortho Molecular Products

$48.80
(8 reviews) Write a Review
SKU:
OM-524120
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1 unit
Maximum Purchase:
4 units
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Product Help Desk - Ask about products or ingredients or health conditions

Ortho Molecular Product Natural D-Hist – Targeted Seasonal Support for Sinus & Respiratory Health

Ortho Molecular Product Natural D-Hist is a professional-grade supplement designed to provide powerful seasonal support. This advanced formula helps maintain immune balance in hypersensitive individuals and supports clear nasal passages, normal mucus viscosity, and optimal sinus and respiratory function.

By blending potent botanical ingredients with antioxidants and enzyme support, Natural D-Hist promotes healthy histamine levels while minimizing side effects commonly found in traditional seasonal relief options.

Natural D Hist Benefits

  • Supports immune balance in hypersensitive individuals
  • Encourages healthy sinus and respiratory function
  • Promotes normal viscosity of mucus
  • Helps maintain clear nasal passages
  • Non-drowsy, natural seasonal support

How Natural D Hist Works

Natural D-Hist works through a synergistic combination of clinically researched ingredients that target multiple pathways:

  • Quercetin – A flavonoid with antioxidant properties that helps stabilize mast cells to regulate histamine release.
  • Stinging Nettles Leaf – Traditionally used for upper respiratory support, this herb offers fast-acting relief for sinus and nasal health.
  • Bromelain – An enzyme derived from pineapple that enhances absorption and supports mucosal tissue health.
  • N-Acetyl-L-Cysteine (NAC) – Promotes healthy mucus viscosity and helps detoxify environmental stressors.
  • Vitamin C – A powerful antioxidant that supports overall immune function.

This formula is designed for safe daily use and does not contain common allergens or artificial additives.

Who Should Use Natural D Hist

Natural D-Hist is ideal for individuals who:

  • Suffer from seasonal allergies or environmental sensitivities
  • Seek natural alternatives for sinus and respiratory support
  • Desire a non-drowsy, non-habit-forming formula
  • Want a safe and gentle option that supports immune balance
  • Value a product that supports joint, bone, and skin health through reduced inflammation

Supplements support your health but do not replace a balanced diet. Always check with your healthcare practitioner if you have doubts about a new supplement. Or, you may book a FREE product consultation at Covenant Health Products. You may want to look at our other Immune Support products! 

Recommendation:
Ortho Molecular suggests a loading dose of 2 capsules of Natural D-Hist 3 times daily or as directed by your healthcare professional. For maintenance, take 2 or more capsules daily.
 
Serving Size: 2 Capsules
Servings Per Container: 20 or 60
 
Ingredients per Serving:
Vitamin C (Ascorbic Acid USP) 300 mg
Quercetin Dihydrate 400 mg
Stinging Nettles (Leaves) 400 mg
Bromelain 100 mg (240 GDU)
N-Acetyl-L-Cysteine USP 50 mg

 

Free From: Wheat, gluten, soy, dairy, animal products, shellfish, peanuts, tree nuts, egg, artificial colors, sweeteners, preservatives.

Caution: If you are pregnant or nursing, consult your physician before use.

These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease.

8 Reviews Hide Reviews Show Reviews

  • 5
    So far so good

    Posted by Gail Root on Apr 30, 2020

    On my 7th day of "loading" and can already tell the difference of before D-Hist and after. I'll stick with this through allergy season. So happy to find a natural remedy.

  • 5
    Great product

    Posted by Melissa Campbell on Apr 07, 2020

    My husband takes this everyday for seasonal and environmental allergies. For him, it works better than any OTC drug without the side effects.

  • 5
    Ms.

    Posted by Rose Helmbright on Oct 02, 2019

    This really helps here in PA>

  • 5
    Review

    Posted by lori5000 on Oct 19, 2018

    I love this product, it takes care of my sneezing and no more sinus headaches or antibiotics for sinus infections. It has nipped those days in the bud!

  • 5
    Review

    Posted by Susan M on Jul 23, 2018

    We love this product. Non drowsy works very well on sinus headaches or heavy feeling fluid in you sinus cavity have used for 4 years as needed and keep it in our cabinet don’t want to be without this product

  • 5
    Review

    Posted by CharlotteV on Dec 08, 2017

    So glad I found this for my allergies!

  • 5
    Review

    Posted by nita on Oct 22, 2016

    this works great foe allergies. i take it daily. its a little pricey but covenent had a coupon witch helped

  • 5
    D-HIST

    Posted by Danette Moore on Dec 28, 2011

    I'm pretty much free of allergy symptoms since my integrative doctor recommended DHIST. Great product!