Agaricus Blazei Mushroom Extract 500 mg by Swanson

INSUFFICIENT RELIABLE EVIDENCE to RATE

• Allergic rhinitis (hay fever). Oral agaricus mushroom has only been evaluated in combination with other ingredients; its effect when used alone is unclear. Details: Preliminary clinical research in people with IgE-positive birch pollen allergy shows that taking a specific agaricus mushroom product (Andosan, Immunopharma) containing 82% agaricus mushroom, 15% Hericium erinaceus mushroom, and 3% maitake mushroom extracts, 60 mL daily for 7 weeks starting before the pollen season, reduces symptoms of allergic rhinitis and allergic asthma and decreases use of anti-allergy medications when compared with placebo. During the allergy season, birch-specific IgE levels were reduced, and basophils were less sensitive to allergen activation (102919).
• Cancer. Although there is interest in using oral agaricus mushroom for the treatment of various types of cancer, there is insufficient reliable information about the clinical effects of agaricus mushroom for this purpose. Cardiovascular disease (CVD).Although there is interest in using oral agaricus mushroom for the management of CVD and CVD risk factors, there is insufficient reliable information about the clinical effects of agaricus mushroom for this purpose.
• Chemotherapy-induced adverse effects. It is unclear if oral agaricus mushroom is beneficial for reducing adverse effects in patients undergoing chemotherapy treatment. Details: Preliminary clinical research in females with gynecologic cancers shows that taking an agaricus mushroom extract three times daily while receiving chemotherapy for 6 weeks might improve some of the adverse effects of chemotherapy, such as generalized weakness, decreased appetite, and emotional instability, when compared with chemotherapy alone (15404).
• Crohn Disease. It is unclear if oral agaricus mushroom is beneficial for Crohn disease. Details: Preliminary clinical research in patients with Crohn disease shows that taking an oral agaricus mushroom extract (AndoSan, ACE Co. Ltd.) 30 mL twice daily for 21 days does not improve fatigue, quality of life, or symptom severity when compared with placebo (94721).
• Diabetes. It is unclear if oral agaricus mushroom is beneficial for type 2 diabetes. Details: Preliminary clinical research in patients with type 2 diabetes shows that taking an agaricus mushroom extract 500 mg orally three times daily for 12 weeks, in combination with metformin and the sulfonylurea gliclazide, decreases insulin resistance and lowers fasting insulin levels more than metformin and gliclazide alone (15421).
• Hepatitis B. It is unclear if oral agaricus mushroom is beneficial for hepatitis B. Details: Preliminary clinical research in adults with chronic hepatitis B infection shows that taking agaricus mushroom extract 500 mg three times daily for 12 months decreases aspartate aminotransferase (AST) from 246 IU/L to 61 IU/L and alanine aminotransferase (ALT) from 151 IU/L to 46 IU/L (94719). However, these results are limited by small study size and the lack of a comparator group.
• Hyperlipidemia. Although there is interest in using oral agaricus mushroom for hyperlipidemia, there is insufficient reliable information about the clinical effects of agaricus mushroom for this condition.
• Multiple myeloma. It is unclear if oral agaricus mushroom is beneficial for multiple myeloma. Details: Preliminary clinical research in patients with multiple myeloma undergoing stem cell transplantation with high-dose chemotherapy shows that taking an agaricus mushroom extract (AndoSan, ACE Co. Ltd.) 60 mL orally daily for about 7 weeks during chemotherapy does not improve treatment response or overall survival when compared with placebo (94716).
• Osteoporosis. Although there is interest in using oral agaricus mushroom for osteoporosis, there is insufficient reliable information about the clinical effects of agaricus mushroom for this condition.
• Peptic ulcers. Although there is interest in using oral agaricus mushroom for peptic ulcers, there is insufficient reliable information about the clinical effects of agaricus mushroom for this condition.
• Ulcerative colitis. It is unclear if oral agaricus mushroom is beneficial for ulcerative colitis. Details: Preliminary clinical research in patients with symptomatic ulcerative colitis shows that taking an agaricus mushroom extract (AndoSan, ACE Co. Ltd.) 30 mL orally twice daily for 21 days improves fatigue, quality of life, and overall symptom scores when compared with placebo (94715). More evidence is needed to rate agaricus mushroom for these uses.

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POSSIBLY SAFE ...when used orally and appropriately. Agaricus mushroom extract has been safely used in doses up to 1500 mg daily for up to 12 months (15404,15421,94715,94716,94719,94721). A specific agaricus lyophilized powder product (Sen-Sei-Ro Powder Gold, Kyowa Wellness Co., Ltd.) has been safely used in doses up to 5.4 grams daily for 6 months (17185).

PREGNANCY AND LACTATION:
Insufficient reliable information available; avoid using.

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ANTIDIABETES DRUGS Interaction Rating = Moderate Be cautious with this combination. Severity = Moderate •  Occurrence = Possible •  Level of Evidence = D Theoretically, taking agaricus mushroom with antidiabetes drugs might increase the risk of hypoglycemia.  Details In one clinical study in patients with type 2 diabetes who are stabilized on conventional oral hypoglycemic agents, 3 of 29 patients taking an agaricus mushroom extract 500 mg three times daily for 12 weeks reported hypoglycemia, compared to one of 29 patients in the placebo group (15421).

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General ...Orally, agaricus mushroom is generally well tolerated.
Most Common Adverse Effects:
Orally: Abdominal discomfort, diarrhea, and nausea.
Serious Adverse Effects (Rare):
Orally: Allergic reactions, hepatotoxicity, interstitial lung disease (ILD).

Gastrointestinal ...In one clinical trial, mild gastrointestinal side effects such as nausea, diarrhea, and abdominal discomfort were reported in 6 of 78 patients taking a specific agaricus powder product , Ltd.) 1.8-5.4 grams orally daily for 60 days. The causal relationship between this agaricus mushroom product and the associated gastrointestinal adverse effect was determined to be possible or probable in each case (17185).

Hepatic ...Three cases of severe hepatotoxicity have been reported in females with ovarian or breast cancer receiving chemotherapy who also took agaricus mushroom supplements. Two of the patients had increases in liver function tests a few days after starting agaricus mushroom, which then progressed rapidly to fatal, fulminant hepatitis. One of these patients was also an asymptomatic carrier of hepatitis B virus. In the third case, liver function improved when agaricus mushroom was stopped, worsened when it was restarted, and then recovered fully when the supplement was stopped permanently (16458).

Immunologic ...An allergic reaction has been reported in a female who took a specific agaricus powder product , Ltd.) 1.8 grams daily by mouth for 2 months. The patient developed an urticarial papular rash which resolved when the product was discontinued (17185). Allergic contact cheilitis was also reported in a patient taking a homemade agaricus mushroom extract orally. The reaction resolved upon discontinuation of agaricus mushroom (94720).

Pulmonary/Respiratory ...There is one case report of interstitial lung disease associated with the use of agaricus mushroom for approximately one month in a male with pancreatic ductal adenocarcinoma being treated with gemcitabine. Drug-induced lymphocyte stimulation test (DLST) was positive for agaricus mushroom extract and not gemcitabine. Pneumonitis improved upon discontinuation of agaricus mushroom (108313).

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