Douglas Labs - Quercetin Bromelain Complex 100ct

For antioxidant and immune system support

Quantity: 4

Quercetin-Bromelain Complex by Douglas Labs is a natural antioxidant supplement with quercetin, buffered vitamin C and the proteolytic enzyme bromelain.

  • Quercetin is a bioflavonoid that has excellent antioxidant activity.
  • Magnesium ascorbate is a buffered form of vitamin C, a key antioxidant, which synergistically supports the quercetin activity.
  • Bromelain is a proteolytic enzyme purified from pineapple, which is active and stable at the acidic levels found in the stomach.

Quercetin is a naturally occurring bioflavonoid with strong antioxidant activity. The antioxidant activity of quercetin provides support for protecting the gastrointestinal tract in several ways.

First, quercetin prevents oxidation of lipids. The gastrointestinal tract has an increased exposure to oxidative stress due in part to the lowered pH. It is important to protect the lipid bilayer of the cell wall of the gastrointestinal tract because these cells serve as an important part of the bodys immune system.

Secondly, quercetin prevents the depletion of glutathione from the cells of the intestinal tract. Glutathione is a co-substrate for antioxidant enzymes glutathione peroxidase and glutathione reductase. By preserving the level of glutathione, quercetin supports protecting metabolic activity and cellular structure of the highly vulnerable cells of gastrointestinal tract from toxic free radical damage. Vitamin C synergistically improves the ability of the quercetin to preserve glutathione.

Thirdly, quercetin increases mucus secretion from gastric cells. The mucus polysaccharide provides a protective buffer for the gastric cells from the low pH of the stomach contents. The reduced contact provides protection from gastric lesions. Quercetin provides an antispasmodic activity that prevents the uncontrolled peristaltic activity found in diarrhea. The reduced excretion of the intestinal contents provides benefit to the gastrointestinal tract by preventing the constant production of cellular protective materials.

Quercetin also reduces the immune response to allergic mediator release from mast cells as well as IgG-mediated histamine release. Quercetin is a potent inhibitor of the lipoxygenase that metabolizes arachidonic acid, which is the first step towards arachidonic acid metabolites.

Thus, quercetin with the assistance of vitamin C in the gastrointestinal tract helps protect against gastric lesions that permit highly antigenic proteins, antigenic compounds and/or infective agents from passing into the body. In addition it prevents the release of components of the allergic response.

Bromelain is a supportive nutrient in helping prevent allergens from crossing the gastrointestinal tract. Bromelain assists in the breakdown of large macromolecular protein complexes. This reduces the chance that these complexes will leave the stomach untouched or in large fractions retaining their recognizable antigenic form that could pass through these gastric lesions inducing an allergenic response.

Quercetin, vitamin C and bromelain are all dietary nutrients that help support the immune system. They inhibit the absorption of substances into the body that may induce the allergic response. In addition quercetin is used by the body to help reduce the allergic immune response in the intestinal tract, possibly providing nutritional support to normal bodily processes.

Supplement Facts
Each tablet contains:
Vitamin C (as magnesium ascorbate) 200mg (333%DV)
Magnesium (as magnesium ascorbate) 13mg (3%DV)
Quercetin 333mg
Bromelain (2,000 GDU per gram) 100mg
Other Ingredients: cellulose, stearic acid, magnesium stearate, silica and ethylcellulose.

Recommended Use:
Adults: As a dietary supplement, adults take 1 to 3 tablets daily between meals or as recommended by a healthcare professional.

Warnings:
If you are pregnant or nursing, please consult your healthcare professional before using this product. Keep out of the reach of children.

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