Researchers identified and studied a new mushroom species (Morchella fluvialis) from Iran that produces high-quality protein. They optimized growing conditions to maximize protein production and found the mushroom contains valuable nutrients including essential amino acids, healthy fats, and beneficial compounds. This research has important implications for everyday life: • Provides a new sustainable source of high-quality protein for human nutrition • Offers a meat alternative rich in essential amino acids • Demonstrates potential for commercial mushroom protein production • Contributes to food security through efficient protein cultivation • Identifies a natural source of beneficial compounds like testosterone