Does L-Lysine help with immunity?
Possibly — but there are few reports. 100% of 9 people who reported on L-Lysine for immunity say it improved. 0% noticed no change and 0% say it got worse.
Immunity: what users report
100%better9 reports · few reports
9 better0 no change0 worse
What people say about L-Lysine and immunity
“I don't know why, but it works so well. When I take it daily I don't get any outbreaks.”
“L-lysine is an immune booster and helps with skin healing. I use it after cold sores or cuts to heal faster.”
“I've also taken l-lysine and selenium for the constant colds and that seemed to help for a long time too.”
What the research says
AResearch: Strong7 meta-analyses · 59 trials on PubMed
None of the top reviews we found look specifically at immunity. See all research on L-Lysine.
Side effects people mention
stomach issues 1
Based on few reports — treat as anecdotal. Information only — not medical advice. How we count