Evidence supporting the use of: Vitamin C (sodium ascorbate)
For the body system: Joints

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Table of Contents

Synopsis

Source of validity: Scientific
Rating (out of 5): 3

Vitamin C (in the form of sodium ascorbate) has scientific support for its role in supporting the joints, though the evidence is moderate rather than overwhelming. Vitamin C is essential for the biosynthesis of collagen, a primary structural protein found in joint cartilage, tendons, and ligaments. Collagen’s integrity is crucial for maintaining joint health and function. Deficiency in vitamin C leads to impaired collagen synthesis, which in severe cases manifests as scurvy, a disease characterized by joint pain and impaired wound healing.

Multiple studies have shown that adequate vitamin C intake contributes to overall joint health and may help slow the progression of osteoarthritis by supporting cartilage integrity and reducing oxidative stress. For example, vitamin C's antioxidant properties can help reduce free radical damage in joint tissues, which is implicated in degenerative joint diseases. Animal studies and some observational human studies suggest that higher vitamin C intake is associated with reduced risk of cartilage loss and progression of osteoarthritis. However, randomized controlled trials in humans are limited, and results are mixed—some show benefit, while others do not show a significant effect on joint pain or function.

In summary, there is a reasonable scientific rationale for using vitamin C to support joint health, particularly in the context of collagen synthesis and antioxidation, but direct evidence for clinical benefits in joint disorders is moderate. Thus, the evidence is rated as 3 out of 5.

More about Vitamin C (sodium ascorbate)
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Products containing Vitamin C (sodium ascorbate)

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