The Global Grants for Gut Health is funded by Nature and Yakult, to support investigator-initiated research into the human gut microbiota, focusing on the geriatric gut microbiome, to better understand the link between the gut microbiome and aging. The grants are open to researchers worldwide at universities, research institutes or any other not-for-profit organization. Applications must hold a doctorate or medical degree (e.g., PhD, MD, PharmD) and have at least five years of postdoctoral research experience. Applicants may apply for up to 100,000 USD (direct costs only) for projects spanning 1 year. Applications close on September 14, 2022.