Nutrition Diet: Does lysine actually help prevent cold sores?
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4 min read
Approximately 50% of people aged 14 to 49 carry the herpes simplex virus (HSV-1) that causes cold sores. Many individuals explore dietary supplements as a preventative measure, but the crucial question remains: **does lysine actually help prevent cold sores?** While promising in theory, the scientific evidence on its effectiveness is mixed and nuanced.