DAO supplement for histamine intolerance can be a game-changer for those struggling with this condition. These supplements help break down histamine in the body, alleviating symptoms such as headaches, digestive issues, and skin reactions. In 2025, several top-rated DAO supplements have emerged, offering effective solutions for managing histamine levels. When choosing a DAO supplement, it's essential to consider factors like potency, ingredient quality, and user reviews to find the best fit for your needs.
Seeking Health Histamine Digest - Formerly Histamine Block, DAO Enzyme Supplement for Histamine Food Intolerance, Supports Digestive Health, Upset Stomach, Vegetarian (30 Capsules)*
- Histamine intolerance support: Histamine Block is now Histamine Digest! Enjoy the freedom to eat your favorite histamine-containing foods and drinks again. This DAO digestive enzyme, also known as Diamine Oxidase, even allows you to enjoy that glass of wine without histamine-related headaches. Bring Histamine Digest wherever you want to enjoy high-histamine foods and drinks
- Fast-acting: Take 1 capsule no more than 15 minutes before the consumption of histamine-rich foods or drinks, or as directed by your healthcare provider, to keep histamine intolerance symptoms like gas and bloating at bay, and experience gastrointestinal relief. It is not designed to allow you to eat foods to which you are allergic, and it will not prevent allergic reactions
- Free from: Eggs, fish, gluten, GMO, milk, peanuts, shellfish, soy, tree nuts, wheat, corn, artificial colors, artificial flavors, and artificial preservatives
- Marked for freshness: Quality matters at Seeking Health. That’s why we conduct stability testing for all our products. Because testing can take up to 2 years, it’s not always possible to mark newer releases with an expiration date. That’s why we mark some items with the date they were made on, or MFG; so you know you’re getting the freshest product possible
- Consistent quality: At Seeking Health, every ingredient is carefully sourced, researched, and tested. Each meets strict specifications for manufacturing and quality standards before any ingredient is allowed for use
$36.50
HISTAsolv Extra Strength DAO Enzyme Supplement for Histamine Food Intolerance - Eases Digestive Discomfort - Patented Tech - Made in Austria - 10 Pack
- ENJOY THE FOODS YOU LOVE AGAIN: HISTAsolv provides fast, effective relief from histamine intolerance, helping you enjoy histamine-rich foods and drinks without the discomfort of symptoms like flushing, headaches, or digestive issues. Not for food allergies
- MAXIMUM POTENCY & PERFORMANCE: Each high-potency tablet is nitrogen-packed in a sealed blister and foil pouch, protecting it from air degradation to ensure freshness and maximum histamine-fighting power
- FAST AND CONVENIENT RELIEF: Take 1 tablet 15 minutes before consuming histamine-rich food or drink for quick results; Compact blister pack for on-the-go use; Love it or get an Amazon refund - no return required
- PATENTED PRECISION COATING: Our enteric-coated tablets ensure HISTAsolv’s high-potency DAO enzyme survives stomach acid and reaches the small intestine, helping your body naturally break down histamine for maximum relief
- SCIENTIFICALLY TESTED & MADE IN AUSTRIA: Each HISTAsolv Extra Strength tablet (36,000 HDUs) rapidly increases DAO levels in the small intestine to neutralize food histamine as it arrives; Gluten and Lactose Free
$15.97
NATURDAO - 1,000,000 HDU - DAO Enzyme Supplement - Histamine Block - Diamine Oxidase - Food Intolerance - 60 Tablets
- ✔ GREATEST ENZYMATIC ACTIVITY ON THE MARKET with 1,000,000 HDUs / 32,1mg of vegetable protein, it is the most powerful DAO enzyme you can get to reinforce your digestive system.
- ✔ BEST NATURAL CHOICE if you are going to take it for a long period of time along with your diet. It is suitable for vegans.
- ✔ FAST AVAILABILITY TABLETS IN HUMAN INTESTINE tested by radiological test.
- ✔ This product contains nothing other than what is labeled. AVOID if allergic to any of the following ingredients: Cellulose (vegetable source), LEGUMACTIVE (Peas* Pisum Sativum, Lentils* Lens Culinaris), Hydroxypropylcellulose (vegetable source), Stearic Acid (vegetable source) and Silicon Dioxide (mineral). No food colours or genetically modified organisms.
- ✔ REFUND POLICY · Your well-being is our priority at NaturDao. To ensure utmost hygiene and safety, we don't accept returns. Unsatisfied with NaturDao? Reach out to us at naturdao.com with your order # for a hassle-free refund.
$39.90
Premium Histamine Block Supplement - Advanced Blocker with Diamine Oxidase (DAO) Enzyme - Supports Breakdown of Histamine for Food-Derived Intolerance - 30 ct
- DAO Enzyme Supplements Histamine Blocker: Advanced formula targeting food-derived histamine breakdown, providing precision digestive support. Scientifically engineered to neutralize histamine molecules, promoting optimal gut health through targeted enzymatic intervention and metabolic balance.
- Concentrated Diamine Oxidase (DAO) enzyme designed for comprehensive histamine management, effectively reducing dietary histamine triggers. Supports metabolic processes by breaking down excess histamine, minimizing potential digestive discomfort and inflammatory responses.
- Specifically formulated for histamine intolerance sufferers, offering strategic relief from complex digestive challenges. Helps mitigate symptoms like bloating, gastrointestinal irregularities, and systemic inflammatory reactions associated with elevated histamine levels.
- Delivers comprehensive digestive comfort through advanced enzymatic technology, supporting gut wellness and metabolic efficiency. Assists in normalizing digestive processes, reducing inflammatory potential, and promoting a balanced internal microenvironment.
- Convenient 30-count histamine digest supply ensures consistent daily supplementation. Portable, easy-to-swallow capsules provide practical histamine block solution, with precise dosing for optimal enzymatic effectiveness and digestive support.
$24.99
VitaMonk Histamine Blocker for Histamine Intolerance - HistaResist - DAO Enzyme Supplement Optimal Dose of Diamine Oxidase to Help Shield Histamine for Smooth Digestion - 60 Capsules
- Enjoy Your Favorite Foods With Confidence | HistaResist is the supplement for people struggling with frustrating symptoms of histamine intolerance. Unlike most supplements that attack it from only one angle, our optimized formula contains several specific ingredients to support histamine intolerance. With the support of DAO enzymes, you could very well enjoy certain foods again.
- Naturally Minimize Side Effects | No supplement should cause worse side effects than it is supposed to prevent, yet so many in this industry do. We never use any synthetics or fillers in our supplements, and we never will, and that’s why our community regularly tells us our supplement was the first one they ever took that caused no major side effects.
- The Only Complete Formula | It doesn’t matter what your symptoms are, HistaResist has your back - and gut! Our DAO supplement attacks histamine intolerance symptoms from all angles with both the antihistamine Vitamin C and Bromelain, an enzyme clinically shown to support a healthy inflammatory response. That could make the difference between an immune system on high alert or one that remains calm and lets you eat!
- Feel Better Naturally | HistaResist helps build a better you by providing histamine intolerance support and promoting the rebuilding of your own DAO production. Diamine oxidase is responsible for the breakdown of histamine, so with added digestive enzyme supplements, you can give yourself the best chance of resisting naturally!
$32.99
Omne Diem Histamine Digest DAO 30,000 HDU - 120 Caps - Histamine Neutralizing Enzyme - Relieve Histamine Intolerance with Diamine Oxidase
- Powerful Histamine Support with Natural DAO Enzyme – OmneDiem Histamine Digest provides 30,000 HDU of Diamine Oxidase (DAO) per serving, a crucial enzyme responsible for breaking down histamine in the gut. This high-potency formula helps individuals with histamine intolerance enjoy a wider variety of foods without unwanted reactions. By targeting histamine directly in the digestive tract, it reduces symptoms like flushing, bloating, nasal congestion, and headaches caused by histamine-rich foods, promoting overall digestive and immune health.
- Combat Histamine Sensitivity & Enhance Digestion – Designed for those sensitive to histamine, OmneDiem Histamine Digest helps mitigate histamine-induced discomfort before it starts. DAO works by degrading excess histamine from food, preventing it from triggering adverse reactions. Whether you're sensitive to aged cheeses, fermented foods, red wine, or cured meats, this supplement provides essential support to ease gastric distress, inflammation, and other histamine-related symptoms, ensuring greater meal tolerance.
- Fast-Acting Formula for Immediate Relief & Easy to Swallow – Unlike general digestive enzymes, DAO targets histamine degradation at the source, working within 20 minutes of ingestion. Simply take it before consuming histamine-rich foods to help prevent symptoms like stomach pain, itching, dizziness, or skin reactions. The rapid-release vegetarian capsules ensure quick absorption, making it an effective tool for maintaining digestive balance, supporting gut health, and improving food tolerance in those with histamine intolerance.
- Non-Systemic & Clinically Proven for Safety – OmneDiem Histamine Digest is formulated with clinically tested DAO, acting exclusively in the digestive tract without affecting overall histamine levels in the body. Unlike antihistamines, which block histamine receptors, DAO naturally breaks down histamine without entering the bloodstream. This non-systemic, side-effect-free approach makes it a safe and reliable solution for daily histamine intolerance management, improving overall gut function and well-being.
- Supports a Balanced Diet & Quality of Life – Histamine intolerance can limit food choices and impact daily comfort, but OmneDiem Histamine Digest allows for greater dietary freedom. By reducing histamine overload, it helps alleviate common symptoms such as flushing, nasal congestion, digestive disturbances, and skin reactions, allowing you to enjoy meals without worry. Whether you’re dining out or following a histamine-restricted diet, this DAO supplement provides the digestive support needed for optimal health and well-being.
$87.95
Bravado Labs Premium Histamine Block - Diamine Oxidase (DAO) Enzyme Formula - Advanced Support for Food-Derived Histamine Intolerance - Made in USA (60 Capsules)
- Eat Histamine Rich-food: If wine and cheese parties end with you sniffling, sneezing, or worse, Bravado Labs histamine block can help by increasing your levels of DAO, which in turn helps your body to break down histamines commonly found at high levels in alcohol, cheese, certain vegetables, shellfish, smoked meats, and other fermented foods.
- Reduce Histamine On The Go: With this small, 60-capsule bottle of our DAO supplement, you can add DAO whenever the occasion calls for it. Just take one capsule hours prior to consuming histamine-rich or DAO-blocking food or drink.
- Relief In One Capsule: While other histamine blocking or DAO supplements may require you to take multiple capsules, our Bravado Labs formulation provides the antihistamine power you need with just one capsule.
- Made The Right Way: Each capsule is vegan friendly, gluten free, and contains no major food allergens with entirely non-GMO ingredients.
- Feel The Difference: If high-histamine foods make you miserable, our histamine block may be able to lessen or eliminate your symptoms. If you’re not pleased with the results, just let us know within a year for your purchase assurance. Eat, drink and be merry - order yours today and alleviate your histamine intolerance!
$39.99
Ancestral Supplements Grass Fed Beef Kidney Supplement, 3000mg, DAO Enzyme Supplement, Kidney Support for Urinary and Histamine Health, Selenium, B12, Non GMO, 180 Capsules
- TIME-HONORED KIDNEY SUPPLEMENTS: Grounded in the traditional wisdom of ancient practices, our kidney organ meat supplements are rich in kidney-specific proteins, peptides, enzymes and cofactors that support overall kidney health.
- DAO SUPPLEMENTS: Ancestral Supplements' Kidney Health Capsules include naturally occurring diamine oxidase (DAO), as well as B12 and Selenium to support healthy histamine levels in the body.
- WHOLE FOOD KIDNEY SUPPORT SUPPLEMENT: Our freeze-dried beef kidney health supplement offers nourishment that only whole foods can provide to promote urinary health and cleansing.
- NEW ZEALAND AND AUSTRALIAN GRASS-FED BEEF: Made in small batches in the USA without GMOs, fillers, or flow agents and third party verified for purity, our supplements for kidney health are sourced from 100% grass fed cows, pasture-raised without hormones in green fields.
- DENSE NUTRITION FOR VITALITY AND ENERGY: As the founders of the Beef Organ Movement, our mission is to make vital nutrition through the highest possible quality organ consumption accessible for all, putting back in what the modern world has left out.
$44.00
Intoleran DAO Mini Digestive Enzymes - 60 Tablets | Supplement for Histamine Intolerance & DAO Deficiency | Healthy Histamine Levels | 30,000 HDU Pure Diamine Oxidase (DAO) Enzyme | Coated
- PREVENT ABDOMINAL DISCOMFORT - 60 fast-acting capsules preventing gas, bloating, abdominal pain and diarrhea associated with histamine intolerance. Direct effect when consuming.
- DIGESTIVE ENZYMES - Intoleran DAO Mini contains the enzyme diamine oxidase (DAO). DAO supports the body's ability to break down histamine in the diet, this can help reduce the risk of elevated histamine levels.
- EXPERT SINCE 2008 - Since 2008, Intoleran has provided a wide range of effective enzyme products, backed by sience, yielding instant results. Helping people all around the world.
- EASY TO USE - The capsules are offered in small tins, developed to fit easily into your jeans or purse.
$45.49
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−$3.01
Seeking Health Histamine Nutrients, Formerly Histamine Block Plus, DAO Enzyme Supplement for Histamine Food Intolerance, Supports GI and Digestive Health (60 Capsules)*
- Histamine Relief: Replenishes Diamine Oxidase (DAO) enzyme in your gut, for comfort and relief from gastrointestinal symptoms after eating high-histamine foods, supports histamine intolerance, and provides seasonal support
- Comprehensive formula: Enhanced with cofactor nutrients SAMe, Zinc, Vitamins B1 and B3, and additional antioxidants and cofactor nutrients, for total histamine processing
- Free from: Eggs, fish, gluten, GMO, milk, peanuts, shellfish, soy, sesame, tree nuts, wheat, artificial colors, artificial flavors, and artificial preservatives
- Marked for freshness: Quality matters at Seeking Health. That’s why we conduct stability testing for all our products. Because testing can take up to 2 years, it’s not always possible to mark newer releases with an expiration date. That’s why we mark some items with the date they were made on, or MFG; so you know you’re getting the freshest product possible
- Consistent quality: At Seeking Health, every ingredient is carefully sourced, researched, and tested. Each meets strict specifications for manufacturing and quality standards before any ingredient is allowed for use
$56.94
Last update on 2025-05-03 / Affiliate links / Images from Amazon Product Advertising API