Shiitake Organic Extract

Shiitake Bio Extract – support for immunity, cellular protection, and cardiovascular health

Shiitake (Lentinula edodes) is one of the most valued medicinal mushrooms in Asian tradition, used for centuries both as food and as a natural ingredient to support health. Shiitake extract is rich in bioactive polysaccharides, beta-glucans, and lentinan, compounds studied for their role in supporting the immune system.

Shiitake Bio Extract Doctor Cip Selection contains 100% pure and concentrated organic extract of Lentinula edodes, standardized to 30% bioactive polysaccharides. The formula does not contain mycelium powders or ground mushrooms, only active concentrated extract, complemented with organic acerola extract.

How does Shiitake Bio Extract help you?

• Supports the immune system and the body's natural defense capacity.
• Supports cellular immune response through the supply of bioactive polysaccharides and beta-glucans.
• Contributes to cellular protection against oxidative stress.
• Supports cardiovascular health and metabolic balance.
• May help maintain normal cholesterol levels as part of a healthy lifestyle.
• Supports circulation and blood vessel health.
• Contains lentinan, a beta-glucan specific to the Shiitake mushroom, studied for its immunomodulatory effects.
• May support the body during periods of exhaustion, stress, or convalescence.
• Helps maintain vitality and overall well-being.
• Supports inflammatory balance by modulating the immune response.
• Can be integrated into complementary protocols alongside AHCC, Reishi, Maitake, Cordyceps, or vitamin D3.
• Suitable for vegans and vegetarians.

How does Shiitake work?

The main active compounds in Shiitake are bioactive polysaccharides, especially beta-glucans. These interact with certain immune system cells, such as macrophages, dendritic cells, and lymphocytes, helping to better coordinate the immune response.

Lentinan, one of the best-known beta-glucans from Shiitake, has been studied for its immunomodulatory effects. It does not act as an aggressive immune stimulant but rather as a biological modulator, supporting the body's ability to respond appropriately to external challenges.

Shiitake also contains compounds such as eritadenine, experimentally associated with cholesterol metabolism. Through the combination of polysaccharides, fibers, antioxidants, and bioactive compounds, Shiitake extract can simultaneously support immunity, cardiovascular health, and cellular protection.

What do clinical studies show?

Shiitake is one of the most studied medicinal mushrooms, especially for its effects on the immune system. Research has examined Shiitake consumption and beta-glucan-rich extracts for their influence on immunity, inflammation, immunological markers, and lipid metabolism.

A study published in the Journal of the American College of Nutrition (2015), conducted by Dai X. and colleagues, evaluated daily consumption of Shiitake mushrooms in healthy adults over 4 weeks. The researchers observed improvements in immune function markers, including increased production of secretory IgA and favorable changes in the activity of cells involved in the immune response.
See the study

An analysis published in Foods (2023) discussed the properties of lentinan and beta-glucans extracted from Shiitake, highlighting their role in modulating the immune response and supporting inflammatory balance.
See the analysis

A review published in the International Journal of Molecular Sciences (2021) described how beta-glucans from mushrooms can influence the immune response, including through interaction with macrophages, NK cells, and other components of innate immunity.
See the analysis

Experimental studies have also investigated the compound eritadenine from Shiitake, associated with cholesterol metabolism and effects on the lipid profile. These results support interest in Shiitake as a functional food and natural extract for cardiovascular health.
See the study

• Journal of the American College of Nutrition, 2015 – Consuming Lentinula edodes (Shiitake) Mushrooms Daily Improves Human Immunity: a Randomized Dietary Intervention in Healthy Young Adults (Dai X. et al.)
• Foods, 2023 – Lentinan and β-glucan extract from Shiitake mushroom: immunomodulatory and biological effects.
• International Journal of Molecular Sciences, 2021 – Beta-Glucans from Fungi: Biological and Health-Promoting Potential.
• Journal of Agricultural and Food Chemistry, 2007 – Quantification of eritadenine, a bioactive compound from Shiitake mushroom.

Why Shiitake Bio Extract Doctor Cip Selection?

• 100% pure and concentrated organic extract from Shiitake mushroom (Lentinula edodes).
• Standardized to 30% bioactive polysaccharides, for a consistent content of active compounds.
• 600 mg organic Shiitake extract per daily dose of 2 capsules.
• 180 mg bioactive polysaccharides per daily dose.
• Contains organic acerola extract, a natural source of vitamin C.
• No powders from mycelium or ground mushrooms – only concentrated active extract.
• Vegetable capsules, suitable for vegans and vegetarians.
• No gluten or lactose excipients.

Why did I choose this product?

There are many supplements on the market that promise spectacular results, but the differences between them can be significant. When selecting products for my store, I always follow a few essential criteria: ingredient quality, the existence of relevant scientific studies, the manufacturer's reliability, and transparency regarding the product's composition.

I do not choose products based solely on marketing or popularity. I prefer formulas made by manufacturers who use standardized ingredients, modern manufacturing technologies, and provide clear information about the concentrations of active substances.

This is one of the reasons why I included this product in the Doctor Cip selection. I believe it offers a very good balance between ingredient quality, modern formulation, and the scientific evidence available to date.

Of course, no dietary supplement can replace a healthy lifestyle, a balanced diet, and medical treatments when necessary. However, when used correctly and in the right context, supplements can provide valuable support for health.

Ingredients and usage instructions

Composition per daily dose (2 capsules)

• Organic Shiitake extract (Lentinula edodes) – 600 mg
• Of which bioactive polysaccharides – 180 mg
• Organic acerola extract (Malpighia glabra) – 40 mg

The bottle contains 60 vegetable capsules, suitable for vegan and vegetarian diets, free from gluten or lactose excipients.

How to take

The recommended dose is 2–4 capsules per day, preferably in the morning on an empty stomach, or as advised by a specialist consultant.

To support the immune system, it is recommended to take the supplement consistently in courses of at least 2–3 months, depending on the goal and specialist’s recommendation.

Warnings

People with autoimmune diseases, those under immunosuppressive treatment, or patients undergoing complex treatments should consult a doctor before use.

People allergic to mushrooms or mushroom-derived products should avoid using the product or consult a doctor before taking it.

In the first days of use, some people may experience mild digestive discomfort, bloating, or temporary changes in bowel movements.

Pregnant or breastfeeding women, children, and people with chronic conditions should consult a doctor before use.

Dietary supplements do not cure diseases and cannot replace treatments prescribed by a doctor. Do not exceed the recommended daily dose. Store in a cool, dry place, away from direct sunlight. Keep out of reach of children.

Message from Doctor Cip

I have been a doctor for over 35 years, and during this time, I have learned that there are no miracle supplements or universal solutions. However, there are quality products, supported by studies and used correctly, that can bring real benefits when part of a healthy lifestyle.

All products in the Doctor Cip store are personally selected by me. I do not aim to offer the largest number of products but to choose formulas I trust, made by reputable companies and, whenever possible, supported by scientific evidence.

I hope the information on this page helps you make an informed decision and better understand the role this supplement can play in supporting your health.