Magnesium (Mg). Guide. A magnesium test checks the level of magnesium in the blood. Magnesium is an important electrolyte needed for proper muscle, nerve, and enzyme function. It also helps the body use energy and is needed to move other electrolytes (potassium and sodium) into and out of cells.hy It Is Done. A test for magnesium is done to: 1  Find a cause for nerve and muscle problems, such as muscle twitches, irritability, and muscle weakness. 2  Find the cause of symptoms such as low blood pressure, nausea, vomiting, diarrhea, dizziness, muscle weakness, and slurred speech.
Here are the foods from our food nutrition database that were used for the nutrition calculations of this recipe. Calories per serving of Homemade Flour Tortilla's. 65 calories of Whole Wheat Flour, (0.16 cup).
There are 360 calories in a 3 each serving of On The Border Homemade Flour Tortillas. Calorie breakdown: 27% fat, 63% carbs, 10% protein.