Quercetin Bromelain Vitamin C Complex 2021

By Dr Frank Yap, MD -
Quercetin is a pigment that is found in plants, vegetables, and fruits, and serves as an immune nutrient offering many health benefits. Elderberry, red onions, white onions and cranberries are the richest sources of quercetin. It is a flavonoid and antioxidant that may help to reduce inflammatory cytokines, infections, allergies and anti-blood clot property. Research has found that quercetin may be particularly beneficial for viral respiratory infections.

An animal study published in the Nature (Aug 2012), concluded that quercetin has anti-oxidant, anti-inflammatory and anti-fibrotic (anti-scarring) properties. Another study (JCI May 2012) on rutin (quercetin molecule bound to a sugar molecule called rutinose), commonly found in fruits and vegetables and sold over the counter as a dietary supplement, has been shown to inhibit the formation of blood clots in an animal model of thrombosis.


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 immuno-modulatory properties and the capacity of ascorbate to recycle quercetin, increasing its efficacy.

June 19, 2020, Dr Marik published the paper “Quercetin and Vitamin C: An Experimental, Synergistic Therapy for the Prevention and Treatment of SARS-CoV-2 Related Disease (COVID-19)” in the journal Frontiers in Immunology. The paper presents evidence for the use of vitamin C and quercetin — based on their biological actions and pharmacokinetics profiles — both as prophylaxis in high-risk populations, and as an adjunct to drugs such as Remdesivir or convalescent plasma in the treatment of hospitalized COVID-19 patients.

Quercetin and Vitamin C are also part of the FLCCC I-MASK+ protocol and Zelenko protocol for COVID-19.

A case series of 22 patients, published in Medrxiv revealed that quercetin 800 mg once daily with bromelain 165 mg, in addition to zinc acetate 50 mg and vitamin C 1 g supplements are safe with COVID-19 patients who were on multiple therapies including antivirals and antibacterial medications. The effectiveness of quercetin, bromelain, zinc and ascorbic acid combination was not clear in this study, because of lacking placebo or comparable group.

Bromelain is a proteolytic enzyme purified from pineapple. Quercetin works best when taken with vitamin C and Bromelain, as vitamin C helps activate it and bromelain helps with the absorption. In this study (PubMed), Bromelain also has anti-viral property against COVID-19 virus and anti-clotting property, and therefore may be useful against COVID-19.


Best Quercetin Bromelain Vitamin C Complex

1. Forest Leaf Quercetin 500mg with Bromelain, Vitamin C and Stinging Nettle

Buy on Amazon

Price: $22.95 ($0.26 / Count) & FREE Returns

Uniquely formulated using a blend of quercetin and bromelain, this supplement from ForestLeaf may help with sinus relief, allergies, cardiovascular and respiratory health. Forest Leaf quercetin bromelain is a combination of quercetin, bromelain, vitamin C and stinging nettle.

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.

Amazon Best Sellers: #1 Best Seller in Bromelain Supplements. 4.6 out of 5 overall rating with more than 2,500 customer reviews.

2. Mt Angel Vitamins Quercetin Zinc - Best Immune Support Supplement 

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Price: $59.99 ($0.20 / Count) & FREE Returns

Mt. Angel Vitamins quercetin zinc is a combination of quercetin, zinc, vitamin D3, C and bromelain. 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.

For prevention of COVID-19, quercetin, zinc, vitamin D3 and vitamin C are part of the FLCCC I-MASK+ protocol and the Zelenko protocol.

Each Mt. Angel Quercetin Zinc capsule contains 265 mg of quercetin, 3.75 mg of zinc, 12.5 mcg of vitamin D3 and 60 mg of vitamin C. Cost per capsule: $0.20. There are 300 capsules per container.

Ratings: 4.7 out of 5 - more than 1,000 global ratings

Amazon Review:
My husband read the Swiss protocol for Covid 19 preventative and this has it all. So far so good no problems. No bad taste easy to swallow, our 12yr old son even has no problem.

Our Take: If you are looking for best value in terms of quercetin, zinc, vitamin D3, vitamin C and bromelain, all in one capsule together; and are taking it on a long term basis, this would be your choice. 

3. Whole Food Quercetin Plus with Bromelain, Zinc, Vitamin C and Ginger


Buy on Amazon

Price: $36.47 ($0.20 / Count) & FREE Returns

- Quercetin with Bromelain-Zinc-Vitamin C-Ginger-Bioflavonoids
- Organic Whole Foods
- Immune, Cardiovascular & Respiratory System Support
- Natural Antioxidant
- Vegan, Non-GMO
- 180 Caps, 90 servings

-Immunity supporting properties, improves healthy seasonal immune system function, and reduces inflammation. 
- May help improve your daily health by aiding exercise performance, improving digestion, helping respiratory health, give your immune system the boost it needs, and enhance cognitive function.
- FREE from GMO, Alcohol, Preservatives, Soy Lecithin, Gelatin, Dairy, Sugar, Gluten, Shellfish, Nuts, Wheat, Stearates, Silicon Dioxide, fillers, Artificial Ingredients. 
- Manufactured in the USA. Made in a GMP-certified facility in the USA. Third-party tested. 

Ingredients:
Quercetin 500 mg + 175 mg of Organic Whole Food Quercetin Blend(4 Organic Whole Food Quercetin source ingredients) + 15 mg of Zinc Picolinate + 200 mg of Bromelain from Pineapple + 100 mg of Organic Ginger Root + 125 mg of Vitamin C from Organic Acerola Cherries + 100 mg of Citrus Bioflavonoids from Organic Orange & Organic Lemon

Amazon Review
I am able to do much more before having to take a rest break. Also I have notice a very marked drop in BG an hour after taking. Definitely recommend

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