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The Best Brands of Quercetin Supplements

Quercetin is a natural food polyphenol with potential efficacy in reducing weight gain and obesity. It’s commonly found in fruits and vegetables, including onions, apples, and kale. Studies have also shown that quercetin may be beneficial in reducing the risk of heart disease, cancer, and stroke.

Quercetin is found in the peel of apples (especially red-skinned varieties), but you can maximize your intake by eating the whole fruit rather than drinking apple juice. The peels have a higher concentration of quercetin than the flesh, and if you eat the entire apple rather than just drinking its juice, your body absorbs more.

Quercetin is an antioxidant that fights free radicals in the body. Free radical damage has been linked to cancer and heart disease. It also helps to boost your immune system and reduce inflammation.

Apple peels contain compounds called polyphenols, which include quercetin. While the flesh of apples contains around 10 to 20 milligrams (mg) of quercetin per 1-cup serving, apple peels have up to 100 mg.

Quercetin is also found in onions, citrus fruits, and tea. It’s sold in capsules or tablets under various brand names as a dietary supplement. Quercetin supplements are much more concentrated than the quercetin you’ll find naturally in food sources (like apples). You may take quercetin pills to reduce your risk of cancer and heart disease.

Here are the best brands of quercetin supplements out there:

7. Doctor’s Best Best Quercetin with Bromelain.

Doctor's Best

Doctor’s Best is a brand of high-quality supplements that’s been around for over 30 years.

The Best Quercetin with Bromelain supplement contains a blend of ingredients including quercetin, bromelain, and rutin. The amount of each ingredient in this formula is known to help support your immune system and reduce inflammation.

Doctor’s Best supplements are cheap, but the brand has a very good reputation for producing high-quality products.

6. Natural Factors Bioactive Quercetin EMIQ

Natural Factors Bioactive Quercetin EMIQ

Natural Factor is a brand that is committed to using the best ingredients to create high-quality products that meet or exceed consumers’ expectations.

This supplement contains quercetin, vitamin C, and riboflavin (vitamin B2). It’s designed to reduce oxidative stress on your body. Quercetin also has anti-inflammatory benefits that help protect your heart. It’s also great for improving your immunity.

5. Bluebonnet Super Quercetin


Bluebonnet is one of the best brands for quercetin supplements. This brand offers a combination of quercetin and rutin, another antioxidant compound found in apples. The supplement is made with crystalline cellulose (not derived from corn). It’s also free of sugar, yeast, gluten, and milk products; suitable for vegetarians and vegans.

Quercetin is also available in soft gel capsules. Bluebonnet Super Quercetin is the only brand that offers quercetin supplements in this form of dosage for maximum bioavailability. The brand makes several other high-quality supplements, including one with vitamin D, which is also available in capsule form.

4. NOW Foods

Now Foods

NOW Foods is a leading health food supplement brand. Their quercetin supplements are created with pure quercetin and standardized to 90% purity, allowing you to achieve a consistent dose each time you take it. NOW Foods also produces a variety of other supplements for your overall health and well-being.

3. Thorne Research Quercenase

Thorne Research Quercenase

Thorne Research Quercenase contains 250 mg of quercetin per capsule, which is equivalent to 1.25 grams (g) of fresh apples or 4 g of dried apples. It also supplies a 150 mg daily dose of pectin, a type of fiber found in fruit peels that helps reduce cholesterol levels.

Quercenase is gluten-free, soy-free, and dairy-free. It’s made in the U.S., according to Good Manufacturing Practices (GMP), which ensures quality control throughout the supply chain. This product contains no sugar or artificial sweetener, colors, or flavors.

Quercenase is an excellent choice if you’re looking for a high-quality quercetin supplement that is gluten-free and soy-free. It contains pectin, which may help reduce cholesterol levels as well as boost your immune system.

2. MoxyVites Quercetin 


Moxyvites Quercetin includes both quercetin phytosome and bromelain. Bromelain is an enzyme found in the stem of pineapples that may help reduce inflammation. While quercetin or bromelain alone can be taken to minimize bodyweight, combining them together helps increase their potency and effectiveness.

Moxyvites Quercetin contains quercetin phytosome, a bioavailable form of quercetin that’s stable in the stomach. It may help reduce inflammation and fight oxidative stress caused by free radicals.

1. Sandhu’s Zinc Quercetin


This brand is one of the most potent ones available on the market. It has a whopping 400 mg per capsule, along with magnesium stearate and gelatin as inactive ingredients. The dosage is three capsules daily, but you can take more if needed. It is also the only brand on this list to contain zinc, which has been known to help with weight loss. Zinc is necessary for the metabolism of carbohydrates, protein, and fat. The body also uses zinc to make testosterone, which helps keep your energy levels up.

Quercetin is often combined with other substances in weight loss supplements because it has not been known to produce any side effects when taken by itself. When you’re looking for a quercetin supplement, look for brands that combine it with other ingredients like green tea extract (Camellia sinensis), which is also known to help with weight loss.

While it’s difficult to recommend particular quercetin supplements, as they haven’t been extensively studied for weight loss, there are some potential benefits. All foods containing quercetin have at least some health benefits.

When buying food products with added quercetin, make sure you choose brands that do not contain added sugar. Quercetin can be found naturally in apples, onions, and citrus fruit, so consider eating these whole foods to get the most benefit with minimal calories.

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