Evidence supporting the use of: Silicic Acid
For the health condition: Cartilage Damage

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Synopsis

Source of validity: Scientific
Rating (out of 5): 2

Silicic acid (often referred to as orthosilicic acid or simply "silicon" in nutritional contexts) is sometimes used as a dietary supplement to support connective tissue, including cartilage. The rationale is based on silicon’s role in the formation of glycosaminoglycans and collagen, which are important for cartilage structure. Some animal studies and a small number of human observational studies have suggested that silicon deficiency can impair cartilage development and bone health. A few randomized controlled trials have examined bioavailable forms of silicon (such as choline-stabilized orthosilicic acid) and found modest improvements in markers of bone turnover or skin elasticity, but direct, high-quality evidence for cartilage regeneration or repair in humans is sparse.

There is some scientific basis for the use of silicic acid in supporting cartilage health, but this evidence is largely preliminary or indirect. Most studies have not focused specifically on cartilage damage or repair, and the available human trials are small and short-term. Major medical organizations do not currently recommend silicic acid supplements for cartilage damage due to insufficient robust evidence. Thus, while the use of silicic acid for cartilage health has a plausible scientific rationale and some supporting data, the strength of evidence is low (2/5), and more rigorous clinical trials are needed to establish efficacy for this specific indication.

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Products containing Silicic Acid

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