Source NaturalsActivated Quercetin - Plant-Derived Bioflavonoid Complex - Seasonal & Immune Defense - 100 Vegetarian FriendlyTablets

I purchased my first bottle of this product in 2015 and my health has not been the same since. Prior to this purchase whenever I got the slightest cold it was a slippery slope to terrible sinus infections, antibiotics, head colds, antibiotics, chest colds, antibiotics, asthma, and did I mention? - more antibiotics. After becoming afraid that I might be growing immune to antibiotics that I might really need one day in my life I began a search for a healthy alternative that could help me along. This product has exceeded all of my expectations. I have not seen my doctor for ANY cold, flu or for any asthma in the last 2 years and I HAVE had three colds and the flu during this period. Each cold lasted no more than 3 days and the flu lasted about 5 days followed by a complete recovery. This is incredible since I have been in the doctors office at least 3 times a year for about 11 years for colds, respiratory infections, the flu and ALWAYS ensuing asthma. Since buying the initial bottle of this supplement 2 years ago I am getting ready to buy my 4th bottle. I only take 2 tablets a day (on a empty stomach) during the Fall and Spring for allergies or when I feel a cold coming on, or when I know I will be around others with colds, etc. My once skeptical adult family members are ALL now believers and they too take these tablets whenever they feel a cold coming on or are around sick people. Being healthy has never felt so good. Have a Happy and Healthy New Year.

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The way I talk about Quercetin, you would think I'm on Source Natural's payroll. I've given handfuls of this away to friends and many of them have gone on to buying their own. I take it daily as an antioxidant;(two in the morning), then if I get the sniffles or any allergy symptoms I take another dose as an antihistamine. Finally, if my back or other joints are hurting, I take it for inflammation. I'm pretty careful to stick within the 6 caplet max suggested on the bottle but there have been times when I've gone over. One benefit I find is that when I take it for allergy symptoms, the anti-inflammatory properties soothe the tissues of my sinuses and calm down the stuffiness as well as the headache I sometimes get from the sinus thing. Within a week of this being suggested by my doctor, I was able to stop using Claratin completely. It's nice to know that something so natural (it's made from the skins of red apples and red onions) can work so well with none of the side effects or drug interactions from the normal drugs (sleepiness and worse). And I'm delighted that I can get it on auto-delivery from Amazon with free shipping. I don't usually give 5 stars but this is one of the best things I've ordered from Amazon.

Been on Singulair daily for chronic sinusitis/allergic rhinitis for about 7 years (have a deviated septum and eustachian tube dysfunction to boot). In the past year I really wanted to get off of it, believing it had bad side effects. It definitely helped my breathing as an adjunct to daily Fluticasone, but more and more I was experiencing doom/gloom/anxiety esp. at bedtime. A trusted professional contact recently confided she'd just stopped taking hers. So I spent a weekend reading hundreds of "get off Singulair" postings. I was esp. struck by mommy chats re: Singulair's negative effect on kids. One wrote that her practitioner recommended Quercetin because it acted along the same pathways as Singulair. She tried it and was successful. These postings led me to check out several articles on medical websites, which led to reading Amazon reviews for Quercetin. The positive feedback there was motivating, so I ordered this brand because Dr. Weil recommended it by name (as mentioned in one review). Literally within a day of going off S. and taking Q. I regained "my old self." Gone were the overwhelming feelings of doom and night frights. I haven't had allergy-induced ear swelling and my breathing is great. I'm sleeping soundly and a I feel energized. My husband said he hadn't seen me this light of spirit in years. Part of this is simply my happiness in the achievement. It always feels good to do something you've wanted to for awhile, and trying to get off Singulair had been on my list for a long time. But I don't think the physical relief I'm getting from Quercetin is the placebo effect. Sometimes the Q. dose "wears off" without me realizing it. I take two in the morning with breakfast and two with supper. If I lose track of time and am late taking my evening dose, my chest gets phlegmy, my ears fill a bit, my nose gets congested and I start coughing. My husband and I were astounded when this first happened. I said: That's the Quercetin reminding me to take it!" This has happened a few times. I can't believe my subconscious-placebo-enabler is that potent. No, I believe Q. truly works for me on some biological level. Along with Q., I'm working hard on an anti-inflammatory nutritional regimen(I'm vegan but like many will indulge in junk). I practice the Buteyko method which my sibling said got her off asthma meds she'd been on since childhood. I also plan to try accupuncture to help manage my upper respiratory issues. I take my Q. with meals, to prevent stomach upset.

I used this product for controlling seasonal allergies and it does a very good job. I would recommend it to people who prefer using non prescription products. It does not make me sleepy.

First time I took at night. Big mistake... I didn't sleep well I suppose as I was tired the next day.Got suspicious and researched online and found these give some boost and should be taken during the day. So, I did and seems to hold well and work. Time will tell.