Erythropoietic protoporphyria (EPP)
Supplements studied for erythropoietic protoporphyria (EPP).
Overview
Erythropoietic protoporphyria (EPP) has one reviewed supplement: N-Acetyl Cysteine (NAC) (WA 44; low effect size, low evidence, medium trust). Small trials testing oral NAC 1800 mg daily for four weeks did not reduce light sensitivity in people with EPP compared with control conditions in the available research.
No beneficial supplement signal appears in this batch for EPP, and both summarized studies reported null outcomes for the primary symptom. Readers can consult the heatmap and evidence reviews below for ratings and trial summaries.
Effect graph
Relevant supplements
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Studies
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Evidence visualised
Same ratings as above, aggregated so you can see coverage and imbalance.