Beef bone marrow is a traditional ingredient in certain cuisines, such as Vietnamese or French. Beef bone marrow is the fatty and gelatinous matter inside large beef bones. The marrow becomes soft when roasted, and you can spread it on toast, use it in sauces or use it as a garnish. Beef bone marrow is high in certain nutrients, but it is also high in fat, so regular consumption can be dangerous for your health.
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A 1/2-ounce serving of beef bone marrow contains 125.59 calories. Because beef bone marrow is so rich and high in fat, a serving is smaller than a serving of other common protein items such as steak or fish. Bone marrow is rarely eaten on its own. Instead it is commonly served as a spread with toast or as a garnish to other dishes such as roast fish. This means that when you eat one serving of beef bone marrow, you usually also are eating other foods as part of the dish, and you need to account for those calories as well.
A 1/2-ounce serving of beef bone marrow contains 0.04 grams of protein, which does not equal even 1 percent of the daily protein requirement for a 2,000-calorie-per-day diet. This is a negligible amount of protein as your body requires between 50 to 175 grams of protein daily, according to the Mayo Clinic website. Protein helps boost your immune function as well as your energy levels and helps to maintain and develop lean muscle mass.
A 1/2-ounce serving of beef bone marrow contains negligible amounts of nutrients. This serving size of beef bone marrow contains 6.31 milligrams of calcium, which is around 1 percent of your daily requirement. You need calcium for strong bones and teeth. It also works with potassium, magnesium and sodium to help maintain healthy blood pressure levels.
A serving of beef bone marrow contains 6.79 grams of unsaturated fat, which is 10 percent of your daily requirement on a 2,000-calorie diet. It contains zero grams of trans or saturated fats. Unsaturated fats may help in reducing overall cholesterol levels. However, you should limit your total fat consumption to between 20 percent and 35 percent of your daily calorie intake.