Home Nutritional Information The key to open the door of natural immunity

The key to open the door of natural immunity

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beta-glucan

September 1, 2021


2 minutes reading

beta-glucan

Beta-glucan is a type of soluble fiber – polysaccharides found in foods such as yeast, oat husks, barley, mushrooms (maitake and reishi), algae, and seaweed.

There are many types of beta-glucan, depending on the source of the compound. Different types of beta-glucan have different immune effects:

  • Increased secretion of Immunoglobulin A (IgA): Protective substance in the mucous membranes of our body, such as the nose, throat, airways, digestive tract, vagina and urethra. A low IgA level means a high risk of infection.
  • Macrophage activation: Macrophages perform two important roles. The first is the collection of cells, foreign entities including bacteria, and cellular debris. The second role is to transmit information if a dangerous foreign object is detected, a threat to the immune system.
  • Activation of neutrophils: These cells are also active in collecting and destroying bacteria, tumor cells, and dead particulate matter. Neutrophils are especially important in preventing bacterial infections.
  • Enhances natural killer (Natural Killer) cell activity: Increases the ability to kill cancer cells or infected with viruses. However, this level of activity is often low in cases of cancer or chronic viral infections.

Numerous studies and clinical trials have shown that white blood cells recognize beta-glucans derived from microorganisms and maitake mushrooms. Beta glucan attaches to white blood cells and activates in very specific ways to help fight invading organisms, strengthening the immune system.

On Maitake mushrooms – Japan

Research shows that maitake mushrooms have a higher immune-boosting effect than other mushrooms.

Mushroom beta-glucan

The recommended dosage is about 5-15 mg of maitake mushroom per day for normal healthy people. For better results take 20 minutes before a meal or on an empty stomach.

On oats

Oat beta-glucan has always been recognized as a possible cholesterol-lowering factor. Ingesting 3g of beta-glucan can help reduce bad cholesterol by 10%, while reducing the risk of cardiovascular disease by 20%.

oat beta-glucan

Beta-glucan in oats is in the form of soluble fiber. The Mayo Clinic recommends that men and women age 50 and younger eat 38 grams (g) and 25 g per day, respectively. Men and women 51 years and older should take 30 g and 21 g per day. Teenagers may need 30 to 35 g per day.

There are no recommendations for harmful effects from the dose of beta-glucan.

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