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).
Take Two: Flour & Corn Tortillas. Flour tortillas are prized for their mild flavor and softness, while corn tortillas offer an alternative in taste and texture. Either can serve as casing for fajitas or burritos, a base for chilaquiles, or be baked into crisp homemade chips. A standard six-inch corn tortilla contains about half the fat and calories and one fourth the sodium of a similar-sized flour tortilla. In traditional Mexican tortillas, the fat in either version comes from lard, but many brands now use vegetable shortening, so be sure to look for those made without trans fats.