Rainbo is a company based in Ontario, Canada, founded in 2018 by Tonya Papanikolov. The company focuses on using fungi to enhance health and well-being for individuals and the planet. Rainbo is committed to optimizing mind, body, and spirit through high-quality adaptogenic mushrooms. It is certified as a B Corporation, reflecting its dedication to positive social and environmental impacts.

Rainbo offers a range of health-focused products, including those that support immunity, enhance energy, improve cognitive function, relieve stress, and promote longevity. These products are designed for individuals interested in health and wellness, particularly those looking to incorporate fungi-based solutions into their lifestyle. Rainbo operates in both Canada and the United States, serving the wholesale and retail sectors within the food products industry.