Four Sigmatic is a Finnish-American food and beverages company that specializes in mushroom based drinks. The company is headquartered in Los Angeles, California. Four Sigmatic sells more than 30 mushroom products which include coffee-replacement beverages, wellness elixirs, protein supplements, and beauty products. The company was founded in 2012 by Tero Isokauppila and Mikko Revonniemi as Four Sigma Foods, Isokauppila and Revonniemi started the company in Finland and started selling medicinal mushroom products including drinks, extracts, and elixirs. After seeing the opportunities for the health products, the founders launched the company in the U.S in 2015 and rebranded it as Four Sigmatic. The company's headquarters was shifted to Los Angeles, California. The products were recognized by Time, Well+Good, Bon Appétit, CBS, Metro, Mind Body Green, Forbes, Vogue, Goop Magazine, Daily Burn and others.