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Dietary Reference Intakes for Vitamin A, Vitamin K, Arsenic, Boron, Chromium, Copper, Iodine, Iron, Manganese, Molybdenum, Nickel, Silicon, Vanadium, and Zinc. Food, Fortificants, and Supplements: Where do Americans Get their Nutrients? The Journal of Nutrition 2011Ĥ. Dietary Guidelines for Americans 2010, Chapter 4.

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Additionally, collagen has great tensile strength and not only provides support to bones, but to the many other organs and tissues in which it is also contained, including cartilage, ligaments, tendons, and skin.Īge-related changes affect absorption of calcium and maintenance of healthy collagen, thus adequate intake of calcium, vitamin D, and key collagen supporting minerals through diet and/or supplementation is important for good bone health.ġ. While calcium and vitamin D are important nutrients for bone strength, minerals such as magnesium, copper, manganese, and zinc play a role in supporting collagen formation in the body. Consider that a structure made only of minerals would essentially be brittle and break easily because there is no flexibility, while a structure made only of protein would be soft and bend too easily. This unique combination of minerals and protein (collagen) allows for the dual action of bone strength and flexibility. Bone is made up of ~2/3 minerals and ~1/3 collagen.

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