Retinal vein occlusion
Supplements studied for retinal vein occlusion.
Overview
Vitamin B3 (Niacin) (1 study) is the only supplement studied for retinal vein occlusion. In a small retrospective study of people with long-term retinal vein occlusion, niacin increased to 500 mg three times daily for one year was associated with less swelling at the back of the eye and vision improvement in over half of cases. Concurrent steroid eye drops did not change outcomes, but the study design limits trust.
It is not yet clear whether niacin is helpful. See the heatmap and evidence reviews below.
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