Kale
Kale is a green leafy vegetable with powerful immune boosters. Kale is a very strong alkalizer and detoxifies the blood and liver. Kale has various properties, it boosts the immune system and helps the body get rid of toxins, its anti-inflammatory properties drive up the inflammation in the body.
Nutritionists suggest kale to be very healthy; consuming kale juice supports the digestive system and provides nutrients to the body that a person with fever requires to gain energy.