Limes are quite rich in vitamin C, which boosts your body’s immunity. It seems to be the nutrient that impacts the growth of white blood cells — the cells that fight against viruses and infections.

Seaweeds contain the richest sources of nutrients and minerals for consumption.

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

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.

Just one cup of kiwi provides almost 275 percent of the daily recommended allowance of vitamin C. Kiwis are low in calories but high in energy, making them a great option for people trying to lose weight.

The silvery sheen (or “bloom”) found on the skin of blueberries is a naturally occurring compound that helps protect the fruit. This is why you should only wash blueberries right before you eat them.