Lemon juice stimulates the hormone norepinephrine. This in turn stimulates the metabolism and increases fat burning.
Ginger water warms the body with the spicy ingredient oleoresin. Naringin is a bitter substance found in grapefruit that stimulates metabolism and digestion. Red grape juice is also said to help the body burn fat. To boost fat burning overnight, drink a glass of pure grape juice before bed every day. You can find even more exciting health topics in the free 24vita newsletter, which you can subscribe to right here.