10 Best Zinc and Quercetin Supplements of 2022
Zinc is a powerful immune nutrient known for its benefits for providing immune health support and inflammation reduction as well as for improving cold and respiratory symptoms, wound healing, acne reduction, and lowering the risk of age-related diseases. Quercetin has anti-inflammatory and antioxidant properties that can help combat various chronic diseases. In addition, quercetin is also a zinc ionophore that helps to transport zinc molecules into the cells.
Therefore, quercetin and zinc in combination exerts a synergistic antiviral, anti-inflammatory and antioxidant properties. Zinc and quercetin are also part of the FLCCC I-MASK+ protocol and Zelenko protocol for the prevention and early treatment of COVID-19.
What is Zinc?
Zinc is a powerful immune nutrient known for its benefits for providing immune health support and inflammation reduction as well as for improving cold and respiratory symptoms, wound healing, acne reduction, and lowering the risk of age-related diseases. Research on atherosclerosis and diabetes mellitus suggests that zinc deficiency may contribute to low-grade systemic inflammation.
Even more popular at the moment is the role of zinc and the potential benefits against COVID-19. This is probably one of the reasons that's driving the demand on zinc related products. In a ConsumerLab survey of 9,647 people who use dietary supplements shows that the supplements which experienced the greatest growth in popularity in 2020 were those being promoted to prevent or treat infection with SARS-CoV-2, the coronavirus that causes COVID-19. Zinc supplements achieved the highest growth with 13.5% points.
Does zinc help treat COVID 19? Check out the evidence tracker on zinc and COVID-19 from c19zinc.com (constantly updated).
What Is Quercetin?
Quercetin is an antioxidant that belongs to a class of water-soluble plant substances called flavonoids, which are present in certain fruits and vegetables. According to an article in Current Research in Nutrition and Food Science, the bioavailability of quercetin absorbed by your body varies, depending on the source where you get it, as well as your individual body’s metabolism of it. Sugar and dietary fat and fiber also affect it.
While the best way to get quercetin is through your diet, it also is available in supplement form, as pills or capsules. Sometimes, quercetin in supplement form is packaged with bromelain, an enzyme found in pineapples, because both have anti-inflammatory properties (Quercetin & Bromelain for inflammation). Most dietary supplements contain a chemical compound, aglycone, which is the free form of quercetin.
When looking for and using quercetin supplements, it’s important to maintain a nutritious, balanced diet with fiber and healthy fats in it, as research shows that accumulation of quercetin in the body is dependent on “factors such as glucose moieties, solubility, human factor, vitamin C status and food matrix.”
Specifically, research also says that quercetin supplementation is best achieved when consumed with a fat-enriched diet.
There are foods high in quercetin that you can add to your diet. Arguably, red onions are some of the most potent sources of quercetin; one study found that absorption of onion-derived quercetin was 52% compared to only 24% in supplement form. In fact, onions can give you three times the amount of quercetin than you’d get from apples. Other food sources that are high in quercetin include:
- Organically grown apples, grapes and tomatoes
- Dark cherries and dark berries like blueberries, blackberries and bilberries (eaten in moderation)
- Cocoa, unsweetened
- Hot green chili peppers
- Lingonberries
Benefits of Quercetin
Quercetin has been linked to the following health benefits:- Possessing anti-inflammatory, antioxidant properties that can help combat certain diseases. One study found that 500 mg of quercetin a day could improve symptoms of rheumatoid arthritis.
- Helping prevent cancer cell growth from breast, colon, prostate, endometrial and lung.
- Counteracting allergic reactions and helping with immune responses.
- Helping to prevent osteoporosis
- Addressing cognitive decline, including Alzheimer’s and dementia.
- Assisting in control of blood pressure. A study in 2002 found that quercetin can have vasodilator effects.
- Potentially helping to lower blood sugar levels. One study found that dosages of 500 mg per day “significantly reduced” fasting glucose levels.
Related: Best Quercetin Supplement
Quercetin, Zinc, Vitamin C and Vitamin D (FLCCC I-MASK+ Protocol)
Incidentally, ascorbic acid (vitamin C) and the bioflavonoid quercetin (originally labeled vitamin P) were both discovered by the same scientist — Nobel prize winner Albert Szent-Györgyi. Quercetin and vitamin C also act as an antiviral drug, effectively inactivating viruses.
There is evidence that vitamin C and quercetin co-administration exerts a synergistic antiviral action due to overlapping antiviral and immunomodulatory properties and the capacity of ascorbate to recycle quercetin, increasing its efficacy.
For updated prevention and early outpatient protocol for COVID-19 positive, please check out FLCCC I-MASK+ protocol.
Related: Best Pulse Oximeter
Quercetin, Zinc and Vitamin C - Dr Zelenko Protocol for COVID-19
According to Dr. Zelenko, the best over the counter substitute or natural alternative to hydroxychloroquine is quercetin.
When hydroxychloroquine is not available, Dr. Zelenko recommends the following OTC (over-the-counter) treatment in the early stages of COVID-19 and quercetin as a natural alternative to hydroxychloroquine. He recommends this treatment immediately after you have symptoms.
- Zinc 50mg 1 time a day for 7 days (PubMed) (Amazon)
- Quercetin 500mg 2 times a day for 7 days (PubMed) (Amazon)
- Vitamin C 1000mg 1 time a day for 7 days (Amazon)
- Vitamin D3 5000 IU 1 time a day for 7 days (Amazon)
- Zinc 25mg 1 time a day (PubMed) (Amazon)
- Vitamin D3 5000 iu 1 time a day (vdnmeta.com) (Amazon)
- Vitamin C 250 - 500 mg 1 time a day (PubMed) (Amazon)
- Quercetin 250 mg 1 time a day (J. Agric. Food Chem. 2014) (Amazon)
Best Zinc and Quercetin Supplements of 2022
1. Sandhu's Zinc Quercetin 120 Vegetarian Capsules
Price: $11.39
Each capsule contains 400 mg of quercetin and 11 mg of zinc.
Amazon Best Sellers: #5 Best Seller in zinc mineral supplements. 4.8 out of 5 overall rating with more than 10,000 customer reviews.
- Supports immune system health
- 60 servings per bottle
- Supports cardiovascular health
2. Mt Angel Vitamins Quercetin Zinc - Best Immune Support Supplement
Each capsule contains 265 mg of quercetin, 3.75 mg of zinc, 12.5 mg of vitamin D3 and 60 mg of vitamin C.- FORTIFIED FUNCTION – Sick of stuffy, sneezy, seasonal illnesses? Fight flare-ups with Mt. Angel Vitamins’ quercetin supplement! This nutrient blend helps boost better health so you can feel your best!
- OVERALL AID – Bolster your body AND mind! Quercetin with vitamin C and zinc are proven not only to provide immune support but also to improve metabolism, circulatory supporty, and cognitive clarity!
- BREATHE & BOUND – Revive your vitality! By fostering cellular functioning, your zinc quercetin capsules’ antioxidants enhance respiratory health and energy levels so you can enjoy activities!
- TAKE IT EASY – Support, meet simplicity. To enjoy extra defense, take 1 of your quercetin with bromelain and zinc capsules twice daily. Bursting with 300 capsules, your bottle lasts longer than most brands.
Our Take: Quercetin works best when taken with vitamin C and Bromelain, as vitamin C helps activate it and bromelain helps with the absorption. That’s why many quercetin supplements contain vitamin C or bromelain, as some evidence suggests they boost absorption.
- FORTIFIED FUNCTION – Sick of stuffy, sneezy, seasonal illnesses? Fight flare-ups with Mt. Angel Vitamins’ quercetin supplement! This nutrient blend helps boost better health so you can feel your best!
- OVERALL AID – Bolster your body AND mind! Quercetin with vitamin C and zinc are proven not only to provide immune support but also to improve metabolism, circulatory supporty, and cognitive clarity!
- BREATHE & BOUND – Revive your vitality! By fostering cellular functioning, your zinc quercetin capsules’ antioxidants enhance respiratory health and energy levels so you can enjoy activities!
- TAKE IT EASY – Support, meet simplicity. To enjoy extra defense, take 1 of your quercetin with bromelain and zinc capsules twice daily. Bursting with 300 capsules, your bottle lasts longer than most brands.
Our Take: Quercetin works best when taken with vitamin C and Bromelain, as vitamin C helps activate it and bromelain helps with the absorption. That’s why many quercetin supplements contain vitamin C or bromelain, as some evidence suggests they boost absorption.
Best Zinc Supplements of 2022
Are all zinc supplements the same? The zinc supplements in this review are all manufactured by reputable companies that follow Good Manufacturing Processes (GMP), use high quality ingredients, and test for purity and quality.
Here are the best zinc supplements to help you meet your nutritional needs. As everyone has their own set of criteria, the best option for you might be different from another person.
3. Zinc Lozenges with Vitamin C - Healthy Immune Support Lozenges with 25mg of Zinc Supplement Per Lozenge + 30mg of Vitamin C - OneDayMD's Best Seller
SHOP NOW ON AMAZON - Amazon's Choice for Zinc Lozenges.
For prevention of respiratory viruses, zinc lozenges are preferred in order to spread the zinc through the tissues of the nose, mouth and throat. Unlike swallowed zinc, lozenges can spread zinc through these tissues quickly in response to symptoms, because their ability to spread zinc through these tissues is not limited by intestinal zinc transporters.- Nutritionally Supports a Healthy Immune System*
- Formulated with a perfect balance of 25 mg of Zinc, 30 mg of Vitamin C, 2mg of Vitamin B6, and a Proprietary Blend of Royal Jelly, White Willow Bark Ext., and Slippery Elm Bark Powder
- Almost TWICE the amount of zinc per lozenge of cold-EEZE zinc lozenges*
- Fruit Flavored to provide children zinc lozenges without a large amount of added sugars
- Internally tested and third party tested to ensure purity and potency so you get the highest quality vitamin
- Made in the USA in a FDA Registered & Inspected Facility, under Good Manufacturing Practices (GMP's)
Amazon Reviews: 4.7 out of 5. More than 1,000 customer reviews.
Chelated zinc is a type of zinc supplement that uses a chelating agent to help your body absorb zinc more easily.
While there are several chelated zinc supplements on the market, one of the best options is NOW Foods’ Zinc Glycinate softgels.
Each softgel contains 30 mg of zinc glycinate — a form of zinc that human and animal studies suggest may be better absorbed than other types of zinc. (Trusted Source, Trusted Source).
All NOW Foods supplements are certified by Underwriters Laboratories and follow GMP to ensure the quality and accuracy of their products. Additionally, these supplements tend to be more affordable than many other high quality brands.
While there are several chelated zinc supplements on the market, one of the best options is NOW Foods’ Zinc Glycinate softgels.
Each softgel contains 30 mg of zinc glycinate — a form of zinc that human and animal studies suggest may be better absorbed than other types of zinc. (Trusted Source, Trusted Source).
All NOW Foods supplements are certified by Underwriters Laboratories and follow GMP to ensure the quality and accuracy of their products. Additionally, these supplements tend to be more affordable than many other high quality brands.
5. Garden of Life Vitamin Code Raw Zinc - Best Vegan Option
SHOP NOW ON AMAZON (available)Price: $10.49
Amazon Best Sellers: #2 in zinc mineral supplements
Amazon Reviews: 4.8 out of 5. More than 14,500 customer reviews.
While it’s not always obvious, some supplements can contain animal-derived ingredients, making the product unsuitable for vegans.
Some commonly used ingredients that aren’t vegan-friendly include digestive enzymes like lipase, caprylic acid from milk, gelatin, and magnesium stearate, which is often pork-derived.
Garden of Life is a whole-foods-based supplement brand with products that are certified organic and non-GMO verified.
Their Vitamin Code Raw Zinc is a good option for vegans, as it’s third-party tested to ensure the product is vegan, as well as gluten-free.
In addition to providing 30 mg of plant-based zinc, each serving also contains vitamin C, a raw organic fruit and vegetable blend, and live probiotics and enzymes to support healthy digestion.
It’s recommended that adults take one serving of 2 capsules per day with or without meals. For those who have difficulty swallowing pills, the capsules can also be opened to pour the contents into a glass of water or other beverage.
6. Nature's Bounty Zinc 50 mg Caplets
Price: From $5.21
Amazon Reviews: 4.8 out of 5. More than 5,000 customer reviews on Amazon.com.
About this item:
- This product is the #1 best seller under the zinc mineral supplements on Amazon Best Sellers and has more than 50,000 customer reviews on Amazon.
- One vegetarian-friendly caplet a day contributes to carbohydrate, protein, fat and energy metabolism, and helps promote wellness in key areas of reproductive health for men.*
- Plays a key role in the synthesis of testosterone.*
- *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.
- During the summer months products may arrive warm but Amazon stores and ships products in accordance with manufacturers' recommendations, when provided.
7. Nature's Bounty Immune 24 Hour + - Best Zinc Supplement for Seniors
Amazon Reviews: 4.8 out of 5. More than 19,000 customer reviews on Amazon.com.
About this item:
- Softgels contain Zinc (15 mg per serving daily; 136% of daily value), Vitamin A, C, D3, B6, B12, Biotin, Folate, Panthotenic Acid, Magnesium, Echinacea, Elderberry, Astralagus.
- THE ONLY VITAMIN C WITH 24-HOUR IMMUNE SUPPORT: Nature's Bounty Immune 24 Hour + contains 1000mg of Ester-C, the only clinically studied Vitamin C with 24-hour immune support. Ester-C lasts up to 2x longer than regular Vitamin C
- PLUS VITAMIN D & ZINC, WITH ELDERBERRY AND ECHINACEA: Immune 24 Hour + provides Vitamin D, Vitamin A and Zinc for extra immune plus antioxidant support. Also contains Elderberry and Echinacea, plus 9 essential nutrients to help keep you healthy
- SUPPORTS UPPER RESPIRATORY HEALTH: Highly bioavailable Ester-C can increase Vitamin C levels in the body, which is important for white blood cell function, contributing to the health of the upper respiratory tract
- NON-GMO FORMULA: Nature's Bounty Immune 24 Hour + is Non-GMO and contains No artificial flavor or artificial sweeteners, no sugar, no starch, no milk, no lactose, no soy, no gluten, no wheat, no yeast, no fish, sodium free
- RAPID RELEASE SOFTGELS: For adults, Take 2 softgels daily, preferably with a meal.
Best Quercetin Supplements 2022
8. Now Foods Quercetin with Bromelain (Now Quercetin with Bromelain Amazon)
$30 - $35 > Check Price (available)
A two-pack of top notch bromelain-enhanced quercetin from a giant in the health supplement industry. Reliable quality from a trustworthy brand.
Each capsule contains 400 mg of quercetin and 82.5 mg of bromelain. Do take note that their suggested usage is 2 capsules twice daily. Meaning the total daily dosage of quercetin will be 1,600 mg daily.
Daily value (DV) for quercetin not established.
Now Foods Quercetin supplements contain Bromelain, as some evidence suggests they boost absorption.
For prevention of COVID-19, the FLCCC recommends 250 mg daily for prevention and the Zelenko protocol recommends 500 mg daily for prevention. If you wish to stick to the dosage which is within the range of the FLCCC - Zelenko protocols; that would be 250 mg to 500 mg daily i.e. 1 capsule of Now Foods Quercetin per day.
BestReviews.com: Not suitable for those with pineapple allergies.
Amazon Best Sellers: #1 Best Seller in Bromelain Nutritional Supplements. 4.7 out of 5 overall rating with more than 5,000 customer reviews.
Our Take: If you are looking for best value and are taking it on a long term basis, this would be your choice.
9. Thorne Research Quercenase
Price: $38 > Check Price on Amazon
Quercenase is a combination of quercetin phytosome and bromelain. Quercetin phytosome is a new food-grade lecithin-based formulation of quercetin, was developed to overcome the low bioavailability hurdle of quercetin. Phytosome complexes are created by a patented process that binds a botanical extract to a phospholipid (phosphatidylcholine), which are key components of every cell membrane.
Each capsule contains 250 mg of quercetin phytosome and 100 mg of bromelain.
BestReviews.com: Pricier than many similar products on the market
Amazon Best Sellers: #11 Best Seller in Flavonoid Vitamin Supplements. 4.7 out of 5 overall rating with more than 390 customer reviews.
Our Take: If you are looking to buy from a reputable brand, this would be your choice.
10. Pure Encapsulations Quercetin
Our Take: A hypoallergenic, pure quercetin supplement suitable for those with tendency of allergies.
BestReviews.com: Dosage is somewhat low and the pills are relatively expensive.
Amazon Best Sellers: #4 Best Seller in Flavonoid Vitamin Supplements. 4.8 out of 5 overall rating with more than 600 customer reviews.
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