A foundational substance in the Ayurvedic tradition, Shilajit (shee-la-jeet) is a concentrated source of trace minerals and fulvic acid derived from mineral pitch.Swanson Superior Herbs Shilajit ExtractClassic Ayurvedic herbal formulaUsed as an adaptogen and systemic rejuvenatorVegetarianPer GMP guidelines set forth by the FDA, most products are formulated for 24 months from the date of manufacture. Liquids and probiotics are formulated for 12 months.