That's a great immune system support during cold and flu season. Quercetin plus zinc plus vitamin C, and your body's protected from unnecessary flu or seasonal colds. Generally, I take 1 capsule per day for 10 days. 1 capsule contains 500 mg of quercetin. The capsules are vegetable and suitable for vegetarians. The capsules are slightly larger in size than average. The capsule shell is transparent, the contents are yellow in color (as in the attached photos). Plastic package with a protective membrane. The package contains 60 capsules. Natural Factors has a favorable price on quercetin.
Dietary Supplement Immune Support Suitable For Vegetarians/Vegans Quercetin is one of the most well-known antioxidant bioflavonoids. A free radical scavenger, quercetin helps support healthy sinus, respiratory, and immune system function. Isura™: Non-GMO: Documentation ✔ Mass Spec: Lab Tested ✔
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Dietary Supplement Immune Support Suitable For Vegetarians/Vegans Quercetin is one of the most well-known antioxidant bioflavonoids. A free radical scavenger, quercetin helps support healthy sinus, respiratory, and immune system function. Isura™: Non-GMO: Documentation ✔ Mass Spec: Lab Tested ✔
- SKU
- 3-100734
- Brand
- Natural Factors
- Category
- health / supplements / categories / antioxidants
- Variants
- 1
Customer reviews
Natural Factors Quercetin is a high-quality supplement featuring a potent 500 mg dose of pure quercetin per vegetarian capsule. The capsule size is manageable and easy to swallow, and the packaging is simple yet effective. A key advantage is its strong antioxidant and anti-inflammatory properties, which provide robust support for immune health and respiratory function. I have noticed improved resilience during allergy season and enhanced overall wellness since adding this to my routine. It has no discernible taste, making it effortless to incorporate daily. This is a reliable product for those seeking natural support for inflammation control and immune performance.
Quercetin is an excellent anti-inflammatory and antioxidant. I take it regularly and especially at times when I feel like I am coming down with the flu/cold. It helps fights free radicals and is known to reduce risks of infections, heart disease and cancer. I love the formulation of this because it includes bromelain which is a great supplement for reducing pain and swelling, especially of sinuses and gums.
This quercetin is a staple in my supplement routine — especially during allergy season or when I need extra immune support. I love the clean formula and trust Natural Factors for their quality.
This product showcases excellent quality and an ideal, user-friendly size. It is securely packaged and crafted from clean, premium ingredients. The advantages it offers are both evident and highly satisfying.
A staple in our supplement repertoire. A must supplement. especially on cold/flu season. I take this whenever I feel under the weather. Very potent.
This dietary supplement provides 500 mg of quercetin per capsule, along with zinc and copper for added immune support. The ingredient quality and composition are simple and clean, suitable for vegetarians and vegans. The capsule size and package make it convenient for regular frequency of use. It may offer benefits for supporting healthy sinus, respiratory, cardiovascular, and immune function, especially if there is a deficiency in key minerals.
This has been super beneficial for me to take during allergy season. I don’t have bad allergies to begin with but this helps to keep them at bay
Super product, I will definitely order it again, I recommend it to everyone, the packaging is of high quality, and the ingredients are excellent. Fast delivery, everything arrived in good condition and was well packaged !!!
The actual item is as shown in the picture and described . Quality, packing, size of capsule, smell, price and dosage are okay for him. Doctors recommended to eat this. I am pretty sure he won’t have any feeling after having it per day but at least no bad symptoms.