Is Vitamin C (Ascorbic Acid) Safe with Prednisolone?
Free · No account · based on published sources including NIH ODS, FDA drug labels, and peer-reviewed literature
Consider supplementing with 500–1000 mg of Vitamin C daily during therapy. This may also support collagen synthesis and immune function impaired by corticosteroid use.
Why this interaction occurs
Corticosteroids increase oxidative stress and Vitamin C utilization. Studies show that corticosteroid users have lower plasma ascorbate levels. Vitamin C is also essential for collagen formation, adrenal function, and immune response, all of which are affected by chronic corticosteroid use.
Evidence
Evidence level: moderate.
Reported safety data
The FDA’s adverse event reporting system (FAERS) has received 197,017 reports mentioning Prednisolone. This reflects reported cases involving the medication in general — not confirmed causation, and not specific to the Prednisolone + supplement combination on this page.
FAERS reports are voluntary and cannot prove that a drug caused an event. Do not use report counts to assess the safety of this specific drug-supplement pair.
Frequently asked questions
Related interactions
All Vitamin C (Ascorbic Acid) interactions → · All Prednisolone interactions →
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Educational only — not medical advice.
Always confirm with your doctor or pharmacist.