Shilajit is the most important medicine in Ayurvedic regimen (Weida regimen). It is coal or lignite weathered in the mountains and is the most natural and high-quality source of humic acid. Before processing, it is similar to a kind of asphalt substance, which is a deep red glue-like substance composed of a compact and large combination of herbaceous plants and organic matter. The name of Shilajit's plant is Asphaltum (asphalt).

Fulvic acid is a substance extracted from humus. It has a low molecular weight and a brown-black or tan appearance. It is soluble in acid, alkali, ethanol, and water. It is a class of molecular structure and behavioral characteristics. A complex of similar substances.

Fulvic acid is also called fulvic acid and yellow humic acid (mineral origin). It has unusual characteristics and abilities, can change and transform molecular combinations, and contains almost all organic and inorganic substances in nature. At the same time, it has the characteristics of a fusion molecule. It is the ultimate microstructure after all active biodegradation, and its structure also contains potential solar substances, derived from photosynthesis. Solar energy helps promote the special properties and biological activities of fulvic acid. Fulvic acid deposition comes from the decomposition of a large amount of vegetation by microorganisms. It is a naturally occurring organic substance that comes entirely from rotting ancient animals and plants. Lacking in modern food crops, it is extremely important for human physiological activity.