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Calcium and Vitamin D. Calcium and vitamin D are two of the most important nutrients for bone and muscle health. Calcium can be found in dairy products, leafy green vegetables, almonds and calcium-fortified foods and juices.Vitamin D helps the body absorb calcium, so many fortified products with calcium also have added vitamin D. This vitamin also boosts muscle strength and helps prevent muscle weakness.alcium can be found in dairy products, leafy green vegetables, almonds and calcium-fortified foods and juices. Vitamin D helps the body absorb calcium, so many fortified products with calcium also have added vitamin D. This vitamin also boosts muscle strength and helps prevent muscle weakness.
Vitamins are nutrients that your body needs in small amounts to stay healthy. The amount you need depends on the vitamin. Because your body can only make limited amounts of vitamins for itself, the rest must come from a nutritious diet.Minerals are other nutrients that your body needs to function properly.Examples of minerals include iron, calcium and zinc. Using Vitamins and Minerals. Before starting any vitamin or mineral supplements, you should talk to your doctor to determine if it is appropriate.inerals are other nutrients that your body needs to function properly. Examples of minerals include iron, calcium and zinc. Using Vitamins and Minerals. Before starting any vitamin or mineral supplements, you should talk to your doctor to determine if it is appropriate.