Your digestive system breaks down the foods you eat into the nutrients your body needs. If you neglect your digestive health, your body could run into problems digesting foods and absorbing those nutrients. 10 Tips for Improving and Maintaining Your Digestive Health Psoriasis Treatment Severe Plaque Psoriasis Treatment. Your digestive health is directly impacted by the foods you eat and the lifestyle you live. By taking steps to improve your digestive health, your digestive system will function more efficiently, improving your overall health and sense of well-being. Try these 10 tips for your better digestive health: Eat a high-fiber diet. According to Maria Adams, MS, MPH, RD, a registered dietitian in Marblehead, Mass., consuming a diet that is high in fiber and rich in whole grains, vegetables, legumes, and fruits can improve your digestive health. "A high-fiber diet helps to keep food moving through your digestive tract, making you less likely to get constipated," Adams says, adding that a high fiber diet can also help you prevent or treat various digestive conditions, such as diverticulosis, hemorrhoids, and irritable bowel syndrome. In addition, it can help you achieve or maintain a healthy weight.