Dr. Klein's Shilajit Fulvic Acid - can be thought of as the ultimate dehydrated food, produced by microorganisms in the soil distilling the core nutrients of mountain range plants into ultra-concentrated antioxidants and minerals that can be used by our bodies far more readily than fresh produce. It's long been a staple of Ayurvedic medicine as one of the most potent natural tonics, and its main active ingredient, fulvic acid, has been identified and embraced by western science, which now has thousands of studies on its benefits.