May support the prevention of cold sores and support immune health.
Effective Dose
1000mg to 3000mg daily, split into multiple doses.
Onset
2-4 weeks
Cost
Budget
Cycle
Lysine can be taken daily long-term, but it is advisable to take breaks from any supplement.
7 things you need to know
What it does
May support the prevention of cold sores and support immune health.
Worth it?
6/10. Lysine is an essential amino acid with some evidence supporting its role in preventing cold sore outbreaks and potentially supporting immune function. While not a miracle cure, it may offer benefits for certain individuals.
How much to take
1000mg to 3000mg daily, split into multiple doses.
Price
Cheap (under $15/month)
How fast it works
Takes 2 to 4 weeks to notice
Safety
Check if: kidney problems, pregnancy
What people say
Most users don't report any noticeable feelings with Lysine supplementation. Some may experience mild gastrointestinal discomfort at higher doses.
Lysine was first discovered by German scientist Karl Heinrich Emil Drechsel in 1889, who isolated it from casein (milk protein).
"Most users don't report any noticeable feelings with Lysine supplementation. Some may experience mild gastrointestinal discomfort at higher doses."
Research backing for this ingredient
Some evidence, more research needed
Limited
Not yet
Mixed opinions in scientific community
"The evidence for lysine's benefits is mixed. While some studies suggest a positive effect on cold sore prevention and immune function, others show no significant benefit. More research is needed to confirm these findings."
Lysine is an essential amino acid, meaning your body can't produce it and you must obtain it from food or supplements. It's often taken to help prevent or treat cold sores. Studies suggest it might also play a role in immune function and calcium absorption, but more research is needed.
Products below minimum dose are likely ineffective
When
Any time
How
1000mg to 3000mg daily, split into multiple doses.
Food
Can be taken with or without food.
It may take several weeks of consistent supplementation to see noticeable effects, especially for cold sore prevention.
Lysine can be taken daily long-term, but it is advisable to take breaks from any supplement.
Check for specific interactions.
Lysine is categorized as a amino acid.
Scientific consensus score: 5/10.
Evidence quality: MODERATE.
Add Lysine to your stack analyzer or compare it with other ingredients.
Not medical advice. Always consult a healthcare provider.