[header] How to maintain an erection [title] Improve your nutrition. [step] Certain foods, such as those that are fatty, fried, sugary, and processed, can result in decreased blood flow throughout your body and can contribute to a vascular form of erectile dysfunction. Increase your intake of fruits, vegetables, whole grains, and heart-healthy fats to improve your blood circulation and increase the amount of time you're able to maintain an erection. 
[substeps] A diet high in animal fat will put pressure on your cardiovascular system, potentially damaging your blood flow. Try to limit the amount of meat and cheese you eat.