The Role of Eryngii in Body Fat Reduction

An overview of obesity and metabolic syndrome

According to The National Heart, Lung, and Blood Institute (NHLBI), “Metabolic syndrome is the name for a group of risk factors that raises your risk for heart disease and other health problems, such as diabetes and stroke. The term “metabolic” refers to the biochemical processes involved in the body’s normal functioning. Risk factors are traits, conditions, or habits that increase your chance of developing a disease. Metabolic syndrome is becoming more common due to a rise in obesity rates among adults.”  – NHLBI / Metabolic Syndrome


Trial Results

Participants were instructed to consume 9 grams of dried eryngii (equivalent to 90 grams of raw erygii) per day for 12 weeks, with no special restrictions on their diet. This trial was done as a double blind test with a placebo group.

Changes in participant abdominal fat area

CT scan of a participant from the King Trumpet group

This is an abdominal CT scan image of a person that ate eryngii for 12 weeks. Compared to before the trial (top) the subcutaneous fat (pink) and the visceral fat (red) was reduced.

The total area of body fat, especially the area of visceral fat was reduced after consuming eryngii.


  King Trumpet Group Placebo Group
King Trumpet consumed per day 90 g 0 g
Daily caloric intake 2004.38 kcal 1821.06 kcal
Trial period 12 weeks 12 weeks
Number of participants 14 people 16 people
  Pre-Trial Post-Trial Change  Pre-Trial Post-Trial Change 
Body weight (kg) 80.2   77.9 -2.3### 78.9  79.0  0.1 
BMI (kg/m2) 28.0   27.2 -0.8###  27.9 28.0  0.1
Waist measurement (cm) 93.6   91.4 -2.2###  92.8  93.3 0.5 
Neutral fat in the blood(mg/dL) 176.2   135.4 -40.8# 167.4  173.2  5.8 
Systolic blood pressure(mmHg) 132.1 126.1 -6.0  133.3  132.3 -1.0 
Diastolic blood pressure(mmHg)  81.8  76.1 -5.7# 82.6   81.3 -1.3 

All chart values are averages. / A significant difference was found. #:p<0.05  ###:p<0.001

*Placebos are pills which appear identical to the pills containing King Trumpet, but have no active ingredients. / *Double blind tests are an accepted trial method that prevents participants from developing biases.


We noted that eating King Trumpet mushrooms on a daily basis might be associated with reducing body weight, BMI, waist measurement, neutral fat in the blood and blood pressure which are indicators of metabolic syndrome.


Published in: Japanese Pharmacology and Therapeutics vol.38 no.7, 645-656 (2010)