This research examined how the medicinal mushroom Agaricus brasiliensis affects immune function and metabolism in both mice and humans. The study found that regular consumption of this mushroom can safely boost immune system function while helping to improve metabolic health markers like body weight and blood sugar levels. Impact on everyday life: • Can be taken as a daily supplement to support immune system function • May help manage weight and body fat levels naturally • Provides a safe way to help control blood sugar and cholesterol • Offers protective benefits for liver health • Serves as a natural source of vitamin D and other beneficial compounds