Vitamin C

A water-soluble vitamin naturally found in fruits and vegetables, especially citrus fruits and berries

Provides Antioxidant Defense

Acts as a water-soluble antioxidant that helps counter oxidative stress involved in aging and chronic disease processes

Supports Immune Resilience

Helps reduce the duration of common colds and supports normal immune function, especially under physical stress

Overall Impact (by Goal)

Only these evidence-backed effects are used for filtering and recommendations

Immune Resilience

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Authority

Personalities who have claimed to use this supplement in the past

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Andrew Huberman

Neuroscientist

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All Potential Benefits Studied

Includes emerging, secondary, and context-dependent effects

Reduces Duration of the Common Cold 1 2

Vitamin C supplementation is associated with a modest reduction in cold duration, particularly at doses between 200–2,000 mg, though it does not reduce how often colds occur in the general population

Acts as a Potent Antioxidant 3 4

Vitamin C functions as an antioxidant, helping neutralize oxidative stress, which is implicated in aging and multiple chronic diseases.

Associated With Alzheimer’s Disease Severity 5

Lower vitamin C levels are observed in people with Alzheimer’s disease despite adequate intake, suggesting increased oxidative stress or altered vitamin C metabolism in neurodegenerative conditions.