Grapefruit is a good fruit to get your morning started. If you eat half a grapefruit, it will provide you with 64% of vitamin C, 28% of vitamin A, 2% of calcium and 2% of magnesium of your daily required dosis . However, it also may interact with certain medication and you should take caution if you have a kidney condition or GERD (source: MNT). We combined its bitter taste with some sweetness in today’s smoothie. Check it out!