Eat more nitrate-rich vegetables
Include leafy greens like spinach, arugula, and lettuce
Eat beets and beetroot juice
Consume pomegranate
Eat garlic
Eat citrus fruits
Eat watermelon
Get regular exercise
Do aerobic exercise
Do high-intensity interval training
Maintain healthy body weight
Sleep enough
Reduce stress
Stay hydrated
Avoid smoking
Limit alcohol
Get enough sunlight
Support oral health
Eat foods rich in L-arginine
Eat foods rich in L-citrulline
Consider dark chocolate
Avoid excessive mouthwash use
Manage blood sugar
Control blood pressure
Improve overall cardiovascular health