Evidence supporting the use of: Sodium Ascorbate
For the body system: Eyes

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Synopsis

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

Sodium ascorbate is a form of vitamin C, which is an essential nutrient known for its antioxidant properties. There is some scientific evidence supporting the role of vitamin C in maintaining eye health, primarily due to its ability to combat oxidative stress, which is implicated in the development of cataracts and age-related macular degeneration (AMD). Epidemiological studies suggest that individuals with higher dietary intakes of vitamin C may have a reduced risk of developing these conditions. The Age-Related Eye Disease Study (AREDS) found that supplementation with vitamin C, in combination with other antioxidants and zinc, slowed the progression of advanced AMD in some populations.

However, evidence specific to sodium ascorbate (as opposed to other forms of vitamin C) is limited. Most studies do not distinguish between different vitamin C salts. Moreover, clinical trials assessing vitamin C alone (not in combination with other nutrients) have yielded mixed results, with some showing modest benefit and others showing no significant effect on eye health outcomes. Thus, while there is a plausible scientific rationale and some supportive clinical data for vitamin C in eye health, the strength of evidence is moderate at best and often relates to vitamin C generally, not specifically sodium ascorbate.

In summary, sodium ascorbate may contribute to eye health as a source of vitamin C, but the evidence for its effectiveness is not strong or conclusive when used alone.

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