Parsley has been used to regulate blood sugar and is thought to be effective in cases of low blood sugar, if there is adrenal malfunction. Parsley Leaf stimulates and strengthens the activity of the digestive system, easing flatulence and indigestion. Its chlorophyll content is essential to healthy digestion, and it increases circulation to the digestive tract. The herb is said to stimulate both the appetite and metabolism. As a diuretic, Parsley relieves the bloating that some women experience before their periods.