The absence of evidence may mean that more study is required, or it may mean that supplementation is unnecessary. In addition to calcium and vitamin D, a wide range of nutritional supplements have been recommended to improve low bone density, but the evidence of benefit is limited. Dietary supplementation with calcium and vitamin D decreases the risk of fractures and improves the effectiveness of pharmacological management. Nutrition, exercise, and lifestyle are recognized as important factors in the management of osteoporosis. More attention to this important mineral by the academic community may lead to improved nutrition, dietary supplements, and better understanding of the role of silicon in the management of postmenopausal osteoporosis. Silicon in the form of silica, or silicon dioxide (SiO 2), is a common food additive but has limited intestinal absorption. Dietary sources of bioavailable silicon include whole grains, cereals, beer, and some vegetables such as green beans.
Silicon supplementation in animals and humans has been shown to increase bone mineral density and improve bone strength. Increased intake of bioavailable silicon has been associated with increased bone mineral density. Silicon improves bone matrix quality and facilitates bone mineralization. There is a growing body of the scientific literature which recognizes that silicon plays an essential role in bone formation and maintenance.
However, additional nutritional components may also be important for bone health. Physicians are aware of the benefits of calcium and vitamin D supplementation.
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