Kale is low in calories and contains several important nutrients, including vitamin K, vitamin C, and manganese. Kale is higher in vitamin C than most other greens, containing about three times much as spinach and collard greens.

The nutrients that keep our immune system working well include vitamins A, B6, B12, C, and D as well as copper, folate, iron, selenium, and zinc. Focus on getting these nutrients from a healthy, varied diet, including fruits and vegetables, nuts and seeds, and whole grains.

Almond milk is naturally high in vitamin E, a disease-fighting antioxidant.

Gingerol, the bioactive compound found in raw ginger, boosts immunity with its antimicrobial and antifungal properties. Ginger also contains antioxidants and anti-inflammatory properties.

Papayas and pineapples are some of the best sources to help digestion and ease inflammation.

Moringa is known to offer more vitamin C than oranges, more iron than spinach, more calcium than milk, and more potassium than bananas.