Lemon Juice w/ Parsley 1 branch of parsley 1 lemon 1 glass of water Chop or blend the parsley into small pieces, Squeeze the juice of the lemon and, together with the parsley, mix it in a glass of water. Way of consuming: You should consume this beverage in the morning on an empty stomach for 5 days straight. Make a 10-day break afterwards. Improves the process of burning calories. Parsley improves digestion and allows us to quickly get rid of retained fluids in the body.