Beetroot     
Beetroot gets more attention now than ever before, and it’s one of the foods out there that will act to help raise your pH levels. The reason it’s an important vegetable to include in your arsenal is because it’s one of the only sources of the phytonutrient betalain which may have anti-cancer properties. Add these as a side, or use them as a salad topper. Be sure to buy this one fresh and steam it, as the pickled variety has reduced nutritional value. 
Top stats (per 100g):
Vitamin C – 8%
Vitamin K – 11%
Folate – 75%