Neem has anti-bacterial properties, which protect the skin from problems such as pimples and acne spots. The anti-flu-efficient basil relieves diseases like fever, flu, swine flu, dengue, cold, cough, cold, plague, malaria. According to the National Cancer Institute, aloe vera can also help keep a person healthy by acting like an immune booster. The nigella contains iron, sodium, calcium, potassium and fiber. It is rich in amino acids and protein.