Quercetin 300

Quercetin 300-Mast Cell Stabilizer

High quality quercetin, derived from a non-citrus plant source, stabilized with additional antioxidants so as not to auto-oxidize (degrade spontaneously).*

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Quercetin can help stabilize the cells that release histamine in the body and thereby have an anti-inflammatory and antihistamine effect. Quercetin may help protect against heart disease and cancer.

Quercetin and other bioflavonoids can enhance the body’s ability to control the release of histamine and other important inflammatory signaling pathway metabolites, such as prostaglandins and leukotrines.* This can be especially important in time where allergies, histamine intolerance or MCAS exists.

Quercetin supports the integrity of mast cells, due in part to its ability to stabilize the cell membrane, making them less reactive to allergens.*

Overall, quercetin and other bioflavonoids appear to support the health of the vascular system, by enhancing the strength and permeability of the capillaries, supporting coronary vasorelaxation, and helping to protect cholesterol and tissues in the body from oxidative damage.*

Histamine intolerance is often accompanied by unexplained symptoms such as an itchy tongue and runny nose while eating certain foods such as banana, avocado, or eggplant. Sometimes patients experience a flushed face when drinking red wine, unpredictable menstrual cycles, or unusual headaches and anxiety. Any of these symptoms could be linked to histamine intolerance.
Histamine is a chemical that acts as a neurotransmitter, sending information between your body and your brain.  It is also a key player in immune system, central nervous system, as well as your digestive tract.  Histamine is found in your stomach acid so it has a role in breaking down food as well.
However histamine is most commonly thought of in relation to the immune system and seasonal and/or food allergies.  Histamine causes a sudden and rapid inflammatory response, setting off an alarm within the immune system that invaders are present.  As a result, white blood cells are called upon to swiftly identify and eliminate the foreign bodies.  It is the quick flood and build up of histamine that can cause symptoms such as headache, itchiness, flushed face, and overall feeling inflamed and uncomfortable.
Histamine works through your bloodstream so high levels that aren’t broken down can potentially harm not only your gut but your lungs, brain, skin, and cardiovascular system. It is for this reason that symptoms can vary from person to person.

Symptoms Commonly Experienced with Histamine intolerance/MCAS:

  1. Light sleeping and difficulty going to sleep
  2. Hypertension
  3. Dizziness or vertigo
  4. Migraines and/or chronic headaches
  5. Cramps
  6. Hives and/or flushing
  7. Anxiety
  8. Fatigue
  9. Irregular or quickened heart rate
  10. Sinus discomfort including congestion, sneezing,
  11. Asthma- Wheezing, labored breathing
  12. Nausea, vomiting

Key Benefits Of Quercetin 

• Can help stabilize cell membranes, and support the integrity of mast cells*
• Provide nutritional support for the vascular system*
• Have gastro-protective and cardio-protective properties*
• Support normal function of the immune system*

Specifically, quercetin has been observed to inhibit aldose reductase, and possibly tyrosine kinase and nitric oxide synthase; to inhibit the degranulation of mast cells, basophils and neutrophils; and to modulate the activity of NF-kappaB.*

Animal studies have demonstrated quercetin can promote healthy gastric mucus production, potentially providing gastro-protective effects.*
The gastro-protective, as well as the potential cardioprotective effects of quercetin, may also be due to its ability to inhibit lipid peroxidation.*

Some preliminary research suggests that quercetin may potentially support the normal functioning of a healthy immune system.*

Results of recent open-label studies suggest that quercetin may also be helpful for healthy prostate function.*

Supplement Facts

Serving Size
2 capsules
Servings Per Container
30
Amount per serving
Vitamin C (as Ascorbic Acid)
150 mg
Vitamin E (as 140 IU DL-alpha-Tocopheryl Acetate)
126 mg
Quercetin
600 mg

Other ingredients: Hydroxypropyl methylcellulose, microcrystalline cellulose, silicon dioxide, L-leucine.

Keep in a cool, dry place, tightly capped.

Suggested Use: As a dietary supplement, 1 or 2 capsules one to three times daily with meals, or as directed by a health practitioner.

Brand

Allergy Reseach Group