Evidence supporting the use of: Vitamin D
For the body system: Structural System

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Synopsis

Source of validity: Scientific
Rating (out of 5): 5

Vitamin D is scientifically validated as a critical nutrient for the support of the structural system, primarily due to its essential role in calcium absorption and bone health. Numerous clinical studies demonstrate that vitamin D facilitates the intestinal absorption of calcium and phosphate, minerals required for bone mineralization and overall skeletal integrity. Deficiency in vitamin D is well known to result in rickets in children (characterized by bone deformities) and osteomalacia in adults (softening of bones), as well as contributing to osteoporosis, a condition marked by decreased bone density and increased fracture risk in older adults. Authorities such as the Institute of Medicine and the Endocrine Society have issued guidelines emphasizing adequate vitamin D intake for bone health across the lifespan. Supplementation of vitamin D is a standard preventative and therapeutic measure for individuals at risk for, or diagnosed with, diseases of bone demineralization. While vitamin D has other roles in the body, its contribution to the structural system—particularly in bone formation, maintenance, and remodeling—is among the most thoroughly researched and widely accepted in both clinical practice and public health recommendations.

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