Safety · Supplement
L-Lysine: side effects, safety & interactions
Generally safe; GI upset at high doses; caution in kidney disease.
- Overall grade
- Grade C
- Last revised
- 0
- graded outcomes
- 0
- references listed
Assembled by the app from other entries in this library. It adds no evidence of its own — follow the links to the entries it draws on.
The evidence in words
Safety profile
Generally safe; GI upset at high doses; caution in kidney disease.
Interactions to respect
No major interactions are on record for L-Lysine at typical doses, but tell your clinician about everything you take.
What L-Lysine is
L-lysine is an essential amino acid taken to reduce herpes-simplex cold-sore outbreaks.
The honest bottom line
A cheap, low-risk option that helps some people get fewer cold sores. Worth a trial if you're prone to them.
Related reading
Entries that share this one's tags or conditions.
- Andrographis: side effects, safety & interactionsGI upset, allergy; possible additive immune/anticoagulant effects; avoid in pregnancy.Evidence grade B
- Astragalus: side effects, safety & interactionsGenerally safe; immune-stimulating, so caution with immunosuppressants/autoimmunity.Evidence grade C
- Beta-Glucans: side effects, safety & interactionsVery safe; gas/bloating with the soluble-fiber form.Evidence grade B
- Chaga: side effects, safety & interactionsOxalate load — kidney-stone/injury risk; caution with anticoagulants and diabetes drugs.Evidence grade D
Sources
This entry lists no references of its own — it is assembled from the entries it links to, whose sources are on their pages.
Last revised . A grade is this entry's reading of the evidence, not medical advice.