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General description	Alpha - glucan with strong immunomodulatory effect.
Found	- shiitake - medical mushrooms
Anti-aging role	- enhance the immune system - increases the production of NK cells, T - lymphocites and macrophages - reduce symptoms of cold, flu and pneumonia - protect against cancer - prevent liver damage - prevent diabetes - boost cytokine production
Deficiency symptoms	Not possible.
Therapeutic doses	Depends on age, health and indication.
Maximum safe level	- 3 g long - term - 6 g short - term
Side effects	Higher doses can cause nausea, vomiting, flatulence, diarrhea, fatigue, headache and muscle cramps.
Contraindications	- autoimmune diseases - pregnancy - lactation
Interactions	Not known.

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