Gastrostomy tubes often called a G-tube or button feeding tube, is a tube inserted through the belly that brings nutrition directly to the stomach for those who cannot eat enough for adequate nutrition. A G-tube is considered a more long-term feeding method compared to a nasogastric tube, or NG-tube, which carries food to the stomach through the nose. Caring for Your G-Tube Daily care and maintenance of your gastrostomy site and G-tube are an essential part of your tube feeding