Shiitake extract 20:1 | Lentinula edodes

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Shiitake is an edible mushroom that has been used in traditional Chinese and Japanese medicine in order to support the immune system. Shiitake stimulates defense mechanisms in the fight against pathogens improving vitality of the whole organism. Currently, researchers are testing shiitake’s potential as a support in cancer therapy with promising preliminary results.


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Shiitake extract 20:1 | Lentinula edodes

Properties: Mushrooms that belong to the Lentinula edodes species, commonly named shiitake, are not a “fresh discovery”. It turns out that they were first mentioned far back in ancient times. Shiitake can mainly be found in Asia. That’s why it was thoroughly examined by Chinese and Japanese herbalists. These mushrooms had to be particularly appealing because they had been used as a medical remedy for years. They have become an important element of traditional Chinese medicine and related Japanese medicine (Kampo). But that’s not it! During the Ming dynasty, Lentinula edodes mushrooms, prepared with the utmost care, were served only for the members of the Imperial family and were unavailable to “ordinary mortals”. So how did it happen that shiitake was given this red-carpet treatment?

Let’s start with the fact that by eating Shiitake we can improve our natural defense mechanisms. Regular use of this mushroom supports the immune system, especially white blood cells that engage in a combat against the pathogens. That is the reason why in ancient China shiitake was recommended to treat the symptoms of the common cold.

However, those are not all of the health-promoting properties of shiitake! This mushroom also improves general body condition. Mainly, it decreases cholesterol level in the blood so that the health of the cardiovascular system is protected. In effect, Shiitake helps to prevent dangerous diseases of this system, including atherosclerosis. We have to remember that the health of the body in huge part depends on our liver. It’s common knowledge that the liver is a special organ whose role is to neutralize various chemical compounds, also harmful toxins. Shiitake’s active substances help the liver to stay healthy by neutralizing free radicals that can lead to destruction of liver cells. What is more, it prevents the excessive deposition of fat in this organ. That way the liver can work properly for years and we can successfully avoid diseases caused by the liver malfunction. So, to sum it up, the extract from shiitake is an excellent solution for those who want to improve their immunity and maintain vitality. It is worth noting that shiitake can be successfully used as the diet component that helps to lose some weight as it contributes to quicker fat burning. It’s not surprising that shiitake was favored by ancient herbalists and that the tradition of using this mushroom has survived until the present day.

Occurrence: Shiitake is an edible mushroom from the Marasmiaceae family. It occurs naturally in Japan, Korea, China, Vietnam and Thailand. It’s related to the common mushroom (Agaricus bisporus) which is widely cultivated and readily available in stores. It might be the reason why shiitake is conventionally named the “Chinese mushroom”. Shiitake grows abundantly on decaying wood of deciduous trees (oaks, chestnuts, maples or Japanese trees – shii). The caps of young fruiting bodies are dark brown to almost black, while the older ones are much lighter in color. Their surface is dry, doesn’t have the mucus and is covered with distinctive white villi.

According to some sources, the history of shiitake began around 199, when it was given to the Japanese emperor Chui by the Kyusuyu tribe. However, it’s more likely that it was first cultivated in China during the Song dynasty (years 960-1127). In those two countries shiitake was valued for its health-promoting properties. It has been used for centuries in the traditional Chinese and Japanese medicine (Kampo) as the remedy for cold and heart or liver problems. In general, it was recommended for those who simply wanted to maintain good health. In Japan the extract from shiitake is considered to be almost like the elixir of life which refreshes both the body and the spirit.

Biochemistry: Shiitake owes its properties mainly to lentinan – a compound from beta-glucans group that is an important component of cell walls. From the chemical point of view, it’s a D-glucose polysaccharide which is built entirely of carbon, oxygen and hydrogen. One of the most attractive ingredients of shiitake is also an extract called LEM (Lentinus edodes mycelium). The important part of LEM is a protein-saccharide complex containing around 25% of protein and 44% of sugars. Apart from that, this mushroom also contains: proteins, carbohydrates, lipids, organic acids, aromatic compounds, eritadenine, dietary fibre, micro- and macronutrients (iron, magnesium, potassium, calcium, manganese, cadmium, copper, phosphorus, zinc, selenium) and vitamins (B1, B2, B5, B9, B12, C and provitamin D2).

Fun fact: According to an old Chinese healing tradition, eating shiitake was advised to maintain good health, vigor and longevity. During the times of the Ming dynasty (1368-1644) this mushroom was called the “emperor’s food”. People believed that its properties were so “powerful” that it should only be served to the emperor and his family. Only the most trusted soldiers could guard the food supply.

How does Shiitake extract 20:1 | Lentinula edodes work?

Improves general health condition: The results of scientific research indicate that an extract from shiitake has a positive impact on the cardiovascular system. Biologically active compounds contained in that mushroom change the metabolism of phospholipids in the liver. As a result, the cholesterol level can be reduced by 15%. This effect is seen as soon as after one week of supplementation. In that way, shiitake supports prevention against arteriosclerosis. What is more, these mushrooms are a rich source of vitamin D2. This vitamin is similar to D3, although it’s a bit less active. However, it helps to increase bone mineral density and therefore their resistance. The results of scientific studies prove that active compounds contained in shiitake might be a great support in the fight against cancers.

Stimulates the immune system: Lentinan and other compounds contained in shiitake stimulate the immune system. They facilitate production of white blood cells and in that way support the natural defense mechanisms. They also counteract the development of pathogens, including viruses that cause upper respiratory tract infections and herpes. In that way shiitake helps the immune system to fight those harmful microorganisms. Dietary fibre contained in shiitake acts as a prebiotic. It helps to maintain the proper composition of the gut microbiome, which is an important component that shapes resistance to infections.

Supports detoxification: The results of many scientific works have proven that active compounds which can be found in the extract from shiitake have hepatoprotective properties. They protect the liver from damage which can be caused by viral infections or inflammation. The liver serves extremely important functions in the organism. Active compounds present in the fruiting bodies of this mushroom help to get rid of the excessive free radicals which could damage the fragile cell structures in the liver.

Helps to reduce weight: It has been proven that shiitake contains compounds which reduce the absorption of fat from food and additionally increase the sense of satiety. The results of research conducted on animal models have indicated that the supplementation of shiitake extract decreases the accumulation of fat. What is more, it prevents the overfatting of the internal organs, including the liver. Thus, shiitake can be a precious support in the fight against excess weight.

Shiitake extract 20:1 | Lentinula edodes product specification


  • powdered raw ingredient
  • extract 20:1 from the fruiting bodies of Lentinula edodes
  • steel measuring tool 0.60 ml ~ 450 mg
  • airtight ALU-PET bag
  • nutrition, neuroregulation, herbal medicine
  • ingredient admitted to trading in the EU and the US

How to use Shiitake extract 20:1 | Lentinula edodes?


  • 250 – 750 mg
  • 1 – 3
  • with or without food
  • during the day
  • 12 weeks of using – 4 weeks of break

How to stack Shiitake extract 20:1 | Lentinula edodes?

To support vitality:
To stimulate the immune system:
To support detoxification:
To facilitate weight loss:

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The above information about products should be considered a historical and scientific facts, not a recommendation on how to use a specific substance. Dietary supplements should not be treated as an alternative to a healthy lifestyle and balanced diet. The above information is not medical advice. Every use of a dietary supplement or herbal/nootropic compound should be consulted with a doctor or a specialist. Dietary supplements as well as nootropic and herbal compounds should not be mixed with medication. Our products should not be used by breastfeeding women and by the people under the age of 18.