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What is the maximum daily dosage for lysine?

If you are taking lysine, follow your doctor's instructions or the directions on the package label regarding maximum daily dose. Since the US Food and Drug Administration (FDA) has not approved lysine to treat any condition, the maximum daily dose has not been described.  

Continue Learning about Lysine

Are symptoms like fainting and feeling hot normal with lysine supplement?
Stacy Wiegman, PharmDStacy Wiegman, PharmD
Fainting and feeling hot are not listed among the side effects of L-lysine supplements. When taken i...
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Does L-lysine control the herpes virus while strengthening immunity?
Stacy Wiegman, PharmDStacy Wiegman, PharmD
L-lysine does appear to help control herpes cold sore outbreaks. Cold sores are caused by the he...
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What is the role of lysine in preventing infections in my body?
Stacy Wiegman, PharmDStacy Wiegman, PharmD
Lysine may have antiviral effects in your body. Some studies show that people who have the herpe...
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How does lysine work?
Stacy Wiegman, PharmDStacy Wiegman, PharmD
L-lysine is an essential amino acid that is needed for protein synthesis. It increases the body's ab...
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.