Synopsis

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

Silica, also known as silicon dioxide, is a mineral found naturally in many foods and is sometimes used as a dietary supplement. There is some scientific interest in the potential role of silicon in bone and connective tissue health, which underpins its occasional inclusion in joint support supplements. Silicon is a trace element involved in the formation of collagen, the main structural protein in cartilage, tendons, and bone. Some animal and limited human studies have suggested that silicon supplementation may improve bone mineral density and stimulate collagen synthesis. For example, a few small human trials have shown modest benefits of silicon supplementation on markers of bone formation. However, robust clinical evidence directly linking silica supplementation to improved joint function, reduced joint pain, or prevention of joint diseases like osteoarthritis is lacking. Large-scale, well-controlled trials are absent, and the mechanism by which silicon might affect joint health remains incompletely understood. Most authoritative bodies, including the European Food Safety Authority (EFSA), acknowledge silicon's potential in bone health but stop short of endorsing its use for joint support due to insufficient evidence. In summary, while there is a plausible scientific rationale and some preliminary data, the evidence supporting silica for joint health is limited and not definitive.

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silica

Other body systems supported by silica

Hair
Joints
Nails
Skin

Products containing silica

We currently have no products on Caring Sunshine that contain this ingredient.