The juice from the prickly pear cactus is often used in smoothies, jellies and candies. It can be used regularly in salads, combined with grilled peppers and onions, and added to soups and stews as natural source of vitamin C. Itâs one of the most promising natural ways to control help type 2 diabetes.
A couple of years ago I had a bad experience after having my blood drawn for a lipid test. I was healthy, but because I fasted too long (12-16 hours) and didn't drink water, I got extremely light headed and weak. My blood pressure went down real low and I had to put my head between my knees and drink juice. I... show more A couple of years ago I had a bad experience after having my blood drawn for a lipid test. I was healthy, but because I fasted too long (12-16 hours) and didn't drink water, I got extremely light headed and weak.
Preparing for Your Test. 1  For cholesterol and glucose tests, you must fast for at least 8 hours prior to having your blood drawn, unless your doctor tells you otherwise. 2  Drink plenty of water before your blood test. 3  Unless fasting is required for your testing, eat breakfast to help keep your blood sugar up.