Rank Product Name Score
1 Quercetin 500mg with Bromelain, Vitamin C and Stinging Nettle – Advanced Sinus and Allergy Supplement – Natural Vegetable Capsules – Non GMO, Dairy, Gluten, Egg and Nut Free - by ForestLeaf (90) Quercetin 500mg with Bromelain, Vitamin C and Stinging Nettle – Advanced Sinus and Allergy Supplement – Natural Vegetable Capsules – Non GMO, Dairy, Gluten, Egg and Nut Free – by ForestLeaf (90)
ForestLeaf
9.8 GET ON AMAZON
2 NOW Supplements Quercetin with Bromelain Balanced Immune System, Pineapple, 120 Veg Capsules NOW Supplements Quercetin with Bromelain Balanced Immune System, Pineapple, 120 Veg Capsules
NOW Foods
9.5 GET ON AMAZON
3 Nature Nature’s Sunshine HistaBlock 90 Capsules
Nature’s Sunshine
9.1 GET ON AMAZON
4 Boiron Histaminum Hydrochloricum 30C (Pack of 3 80-Pellet Tubes) Homeopathic Medicine for Allergy Relief Boiron Histaminum Hydrochloricum 30C (Pack of 3 80-Pellet Tubes) Homeopathic Medicine for Allergy Relief
Boiron
9.0 GET ON AMAZON
5 Designs for Health Quercetin + Nettles Capsules - Flavonoid + Stinging Nettle Herbal Supplement - Immune Support - Non-GMO, Vegetarian + Gluten Free (90 Capsules) Designs for Health Quercetin + Nettles Capsules – Flavonoid + Stinging Nettle Herbal Supplement – Immune Support – Non-GMO, Vegetarian + Gluten Free (90 Capsules)
Designs for Health
8.8 GET ON AMAZON
6 Seeking Health | Histamine Block | DAO Supplement Enzyme | Food Intolerance | Histamine Intolerance | GI Tract Supplements | Dhist Capsules (30 Count) Seeking Health | Histamine Block | DAO Supplement Enzyme | Food Intolerance | Histamine Intolerance | GI Tract Supplements | Dhist Capsules (30 Count)
Seeking Health
8.7 GET ON AMAZON
7 LES Labs Sinus & Seasonal, Sinus Relief & Nasal Health Supplement, Balanced Histamine Levels, Healthy Lungs & Breathing with Butterbur, Quercetin & Nettle Root, 60 Capsules LES Labs Sinus & Seasonal, Sinus Relief & Nasal Health Supplement, Balanced Histamine Levels, Healthy Lungs & Breathing with Butterbur, Quercetin & Nettle Root, 60 Capsules
LES Labs
8.4 GET ON AMAZON
8 Breathe Sinus & Lungs Breathing – Seasonal Nasal Health, Immune Support, Open & Clear Airways, Bronchial Wellness, Healthy Chest – Quercetin, Vitamin D, Bromelain Pills – 60 Vegetarian Soft Capsules Breathe Sinus & Lungs Breathing – Seasonal Nasal Health, Immune Support, Open & Clear Airways, Bronchial Wellness, Healthy Chest – Quercetin, Vitamin D, Bromelain Pills – 60 Vegetarian Soft Capsules
Eu Natural
8.2 GET ON AMAZON
9 reacted Zinc, 60 Capsules reacted Zinc, 60 Capsules
Ortho Molecular
8.0 GET ON AMAZON
10 LifeSeasons - Breathe-X - Fast Acting Allergy Relief Supplement - Sinus and Nasal Discomfort - Naturally Boost Immune System - with Quercetin, Bromelain, Nettle Leaf - 90 Capsules LifeSeasons – Breathe-X – Fast Acting Allergy Relief Supplement – Sinus and Nasal Discomfort – Naturally Boost Immune System – with Quercetin, Bromelain, Nettle Leaf – 90 Capsules
Life Seasons
7.7 GET ON AMAZON

Quercetin 500mg with Bromelain, Vitamin C and Stinging Nettle – Advanced Sinus and Allergy Supplement – Natural Vegetable Capsules – Non GMO, Dairy, Gluten, Egg and Nut Free – by ForestLeaf (90)

Quercetin 500mg with Bromelain, Vitamin C and Stinging Nettle – Advanced Sinus and Allergy Supplement – Natural Vegetable Capsules – Non GMO, Dairy, Gluten, Egg and Nut Free - by ForestLeaf (90)

    Features:

  • Daily Dietary Supplement: Uniquely formulated using a blend of quercetin and bromelain, this supplement from ForestLeaf may help with sinus relief, allergies, cardiovascular and respiratory health.
  • With Stinging Nettle: Every pill contains stinging nettle leaf extract. It contains a wide variety of nutrients that may assist in balancing your natural response for happier living.
  • Manufactured Safely: ForestLeaf supplements are made with vegetable capsules and are dairy, gluten, egg and nut free. All of its products and pills are tested for maximum absorption. There are 45 servings per bottle, 200mg of vitamin C per serving.

NOW Supplements Quercetin with Bromelain Balanced Immune System, Pineapple, 120 Veg Capsules

NOW Supplements Quercetin with Bromelain Balanced Immune System, Pineapple, 120 Veg Capsules

    Features:

  • With Bromelain – Supports immune function
  • Supports healthy histamine levels
  • Helps manage seasonal discomfort
  • Manufacturer has changed product ingredient to vegetarian capsule. Amazon will offer replacement for non-Vcap shipments
  • For adults only. Do not use this product if you have a pineapple allergy. Consult physician if pregnant/nursing, taking medication (especially cyclosporine, blood pressure medications, and blood-thinning drugs, including NSAIDs), or have a medical condition (especially kidney dysfunction). Keep out of reach of children
  • During the summer months products may arrive warm but Amazon stores and ships products in accordance with manufacturers’ recommendations, when provided.

Nature’s Sunshine HistaBlock 90 Capsules

Nature

    Features:

  • QUERCETIN – An antioxidant known for its reputed effects in supporting the respiratory system and may help to stabilize mast cells
  • BROMELAIN – Bromelain is an enzyme that helps reduce the swelling of mucous membranes from allergies and during times of respiratory stress.
  • STINGING NETTLE – Our proprietary formula includes stinging nettle, which provides well-known support against seasonal airborne substances.
  • BITTER ORANGE – Bitter orange contains synephrine, which helps the body support open airways.
  • NATURAL SINUS RELIEF – HistaBlock provides nutrients that support healthy respiratory function as the body battles irritants, pollutants and toxins.
  • During the summer months products may arrive warm but Amazon stores and ships products in accordance with manufacturers’ recommendations, when provided.

Boiron Histaminum Hydrochloricum 30C (Pack of 3 80-Pellet Tubes) Homeopathic Medicine for Allergy Relief

Boiron Histaminum Hydrochloricum 30C (Pack of 3 80-Pellet Tubes) Homeopathic Medicine for Allergy Relief

    Features:

  • Homeopathic medicine that relieves Allergy symptoms
  • Take at the First Sign of Symptoms
  • Non-Drowsy, no known side effects, no known drug interactions
  • This medicine uses highly diluted natural substances to relieve symptoms.
  • This medicine comes in quick-dissolving pellet form

Designs for Health Quercetin + Nettles Capsules – Flavonoid + Stinging Nettle Herbal Supplement – Immune Support – Non-GMO, Vegetarian + Gluten Free (90 Capsules)

Designs for Health Quercetin + Nettles Capsules - Flavonoid + Stinging Nettle Herbal Supplement - Immune Support - Non-GMO, Vegetarian + Gluten Free (90 Capsules)

    Features:

  • KING OF THE FLAVONOIDS – Quercetin has been called “king of the flavonoids” because of its powerful antioxidant properties and its ability to support a healthy inflammatory response in the body.* It is found in many foods that are recognized for their health benefits, such as red onions, apples, olive oil, dark berries and grapes, capers, salad greens and culinary herbs such as dill, cilantro, watercress, and radicchio.
  • NATURALLY HIGH IN VITAMIN C – The nettle plant (a.k.a. “stinging nettle”) has been employed throughout the ages and across the globe for a wide variety of uses. Documentation points to its use in ancient Egypt, ancient Greece, and among native peoples in North America. Nettle has been consumed directly, or made into soup, tea, and even brewed into beer. Its high content of vitamin C and iron underlies its immune-supporting effects. *
  • POWERFUL COMBINATION – Quercetin + Nettles contains 600 mg quercetin and 600 mg nettles per serving.
  • HIGHER STANDARDS. BETTER RESULTS – Designs for Health maintains a strict, no-compromises approach to quality raw material selection. We never cut corners with substandard ingredients. This product is Non-GMO, Gluten-Free, and Vegetarian-friendly.
  • OVER 50,000 DOCTORS AGREE – Designs for Health is the physician’s choice for top quality professional strength supplements since 1989. Our “Science First” philosophy ensures our products are based on the most recent research and use the highest quality raw ingredients.

Seeking Health | Histamine Block | DAO Supplement Enzyme | Food Intolerance | Histamine Intolerance | GI Tract Supplements | Dhist Capsules (30 Count)

Seeking Health | Histamine Block | DAO Supplement Enzyme | Food Intolerance | Histamine Intolerance | GI Tract Supplements | Dhist Capsules (30 Count)

    Features:

  • EAT HISTAMINE FOODS AGAIN: Enjoy the freedom to eat your favorite histamine-containing foods and drinks again with Histamine Block health supplements. This digestive enzyme allows you to enjoy that glass of wine with no more histamine-related headaches!*
  • 1 SERVING = 1 CAPSULE: Histamine Block is designed to help your body break down food-derived histamine in the digestive tract. It is not designed to allow you to eat foods to which you are allergic, and it will not prevent allergic reactions.*
  • TAKE 15 MINUTES IN ADVANCE: 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 your digestive health in order and finally get gas and bloating relief caused by the ingestion of histamine.*
  • CONVENIENT FOR ON-THE-GO: Don’t let histamine stop you! Bring Histamine Block digestive enzymes with you to friends’ homes, restaurants, wineries, and vacations so you can enjoy your wine, cheese, and other high-histamine foods freely.*
  • CONSISTENT QUALITY: At Seeking Health, every ingredient is carefully sourced, researched, and tested. Each meets strict specifications for manufacturing standards before any ingredient is allowed for use. We use only the highest-quality ingredients.

LES Labs Sinus & Seasonal, Sinus Relief & Nasal Health Supplement, Balanced Histamine Levels, Healthy Lungs & Breathing with Butterbur, Quercetin & Nettle Root, 60 Capsules

LES Labs Sinus & Seasonal, Sinus Relief & Nasal Health Supplement, Balanced Histamine Levels, Healthy Lungs & Breathing with Butterbur, Quercetin & Nettle Root, 60 Capsules

    Features:

  • NASAL HEALTH SUPPORT MINUS THE DROWSINESS: Our natural drug-free formula helps promote sinus & nasal health while supporting lung & respiratory function. Breathe freely without drowsiness.
  • HELPS REDUCE SEASONAL DISCOMFORT: Powerful, natural ingredients like nettle root, quercetin, bromelain, and butterbur extracts (free of pyrrolizidine alkaloids) help to reduce seasonal discomfort and regulate histamine levels.
  • NATURAL FORMULA FOR RESPIRATORY HEALTH: Sinus & Seasonal is specifically formulated to support respiratory health for sinus sufferers and can help improve breathing quality.
  • PROMOTES BALANCED IMMUNE RESPONSE: Added quercetin helps to promote a balanced immune response.
  • 100% MONEY-BACK GUARANTEE. Try Cortisol Health and see how it works for you. All LES Labs supplements include a 60-day money-back guarantee – just contact LES Labs if you’re not completely happy & healthy for a refund. Our supplements are manufactured in the USA with the highest-quality ingredients from around the world.

Breathe Sinus & Lungs Breathing – Seasonal Nasal Health, Immune Support, Open & Clear Airways, Bronchial Wellness, Healthy Chest – Quercetin, Vitamin D, Bromelain Pills – 60 Vegetarian Soft Capsules

Breathe Sinus & Lungs Breathing – Seasonal Nasal Health, Immune Support, Open & Clear Airways, Bronchial Wellness, Healthy Chest – Quercetin, Vitamin D, Bromelain Pills – 60 Vegetarian Soft Capsules

    Features:

  • Seasonal strength & sinus relief for a healthy nose, eyes, respiratory and immune system year-round. You can have the confidence that these stinging nettle capsules have the strength and potency that you are looking for in a product.
  • We blend all our allergy pills at a cGMP Certified Laboratory to ensure a contaminant-free allergy relief product for lung health. We wouldn’t have it any other way and neither should you.
  • Super Ingredients like Quercetin, Nettle Leaf, Vitamin D, Boswellia, Butterbur promote healthy immune response and support balanced histamine levels. This powerful combination supports clear lungs and your health from the inside out.
  • Pure natural formula in 100% vegetarian easy-to-swallow soft capsules, completely free of fillers, binders, and artificial ingredients. No gluten, wheat, or dairy. And of course, never tested on animals. Just a pure and tested product.
  • Try our products without worry with our 100% Happiness & Heath Commitment. We’re confident that you will see results and be thrilled with your purchase. And through our Vitamin Angels 1-for-1 Match program, one bottle equals one year of vitamins for a child in need.

reacted Zinc, 60 Capsules

reacted Zinc, 60 Capsules

    Features:

  • Product Type:Health Personal Care
  • Item Package Dimension:8.89 cm L X3.3 cm W X3.3 cm H
  • Item Package Weight:2.4 ozs
  • Country Of Origin: United States

LifeSeasons – Breathe-X – Fast Acting Allergy Relief Supplement – Sinus and Nasal Discomfort – Naturally Boost Immune System – with Quercetin, Bromelain, Nettle Leaf – 90 Capsules

LifeSeasons - Breathe-X - Fast Acting Allergy Relief Supplement - Sinus and Nasal Discomfort - Naturally Boost Immune System - with Quercetin, Bromelain, Nettle Leaf - 90 Capsules

    Features:

  • Natural Allergy And Sinus Supplement: Allergies are becoming part of everyday life, but you can fight back; LifeSeasons Breathe-X formula provides sinus support and helps soothe nasal passages. It also helps manage healthy tissues in the respiratory tract, while supporting immune function and providing antioxidants to assist in detoxification.
  • Common Results: Breathe-X usually helps with allergy symptoms and sinus discomfort within 30 minutes of taking it. Many people see even greater results when taking this product over a longer period of time, specifically for three to four months.
  • Targeted Formulas To Help Aid Allergies And Sinus Discomfort: When you’re struggling to breathe easily, your whole life can be miserable; Breathe-X helps support the respiratory system with clinically-tested ingredients that help soothe the tissues of the respiratory system that suffer during allergy and sinus discomfort.
  • Clinically-Tested Ingredients: Plant ingredients like Bromelain and Nettle along with flavonoids like Citrus Bioflavonoids and Quercetin combine to create this natural allergy and sinus support supplement.
  • Nature Works. Science Proves It: LifeSeasons creates natural, safe and effective health supplements to help you feel your best. We utilize both the wisdom of nature and the progress of science in our targeted, high-quality formulas.

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