Ironically though, our blood flow can affect all aspects of our health, in ways you might not expect it to. How to Improve Blood Flow NaturallyBlood flow is improved through all forms of movement, along with certain foods and drinks in our diet. Dry brushing and showering can also stimulate blood flow, but when it comes to the biggest impact, food and movement are where it’s at. CeleryGreen Detox JuiceCelery is rich in Vitamin K, an important nutrient needed for healthy blood flow and healthy blood clotting (which is necessary during times of injury). They’re also a good source of fiber, antioxidants, and are hydrating to the body to improve blood flow further.