Does L-Cysteine HCl Help With Light Sensitivity Relief?
Increases symptom-free sun exposure time in people with erythropoietic protoporphyria.
Moderate EvidenceEvidence Summary
Increases symptom-free sun exposure time in people with erythropoietic protoporphyria.
Effective Dose
500 mg twice daily (1000 mg/day)
Supporting Studies
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