Ingredients for digestion make up an important sector within the natural products industry. No matter what supplements or foods people consume, if they cannot properly digest and absorb them, these products offer little benefit. INSIDERs digestive health digital issue explores ingredients for a healthy gut, tips for formulating successful products, the importance of zinc in digestion, and the latest market data via Euromonitor International. Takeaways include: *Consumers are increasingly seeking digestive health products to achieve greater overall health. *Ingredients such as probiotics, enzymes and certain vitamins have research to support digestive health benefits. *Foods and beverages for digestive health accrued value sales of US$77.2 billion globally in 2014.