Try warm lemon water
Rather than cold water, drink warm water with lemon.
My favorite way to drink warm water is by adding a squeeze or two of fresh lemon juice. This is especially beneficial first thing in the morning. Lemons contain citric acid, magnesium, bioflavonoids, vitamin C, pectin, calcium and limonene, which supercharge our immunity so that the body can fight infection. They also help to lower the activity of free radicals and increase the breaking down of body fat, also known as adipose tissue.
— Susan Patterson