Can You Take Chromium and Vitamin C Together?
Yes. Vitamin C may increase chromium absorption, so there is no absorption-based reason to separate them.
The short answer
Chromium and vitamin C can be taken together, and vitamin C may increase chromium absorption.
Why it happens
NIH reports that ascorbic acid increases chromium absorption, but this does not prove that adding extra vitamin C improves chromium-related health outcomes.
What to do
They can be taken together with no fixed gap. Do not add high-dose vitamin C solely to boost chromium absorption.
When this advice applies
The health benefits of chromium supplements remain uncertain. Ask a clinician first if you use diabetes medicines or have kidney or liver disease.
References
- Chromium — Health Professional Fact SheetNIH Office of Dietary Supplements · 2022
Updated July 31, 2026 · How to use this guidance