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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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How Much Lysine Is Safe To Take?

Ok thanks, is there concern taking l lysine 500 mph/day everyday? And can you recommend the best source of potassium supplement , calcium and vitamin c capsules are the best not sure what form to get even though food is the best source but not always convenient. Thank you! Rita
Wed, 6 Jan 2016
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General & Family Physician,  's  Response
Hi Rita,

Thanks for posting in HCM.

Lysine is an amino acid, which is building block of protein. It is mainly used for preventing and treating cold sores (caused by the virus called herpes simplex labialis). It can be taken by mouth or applied directly to the skin for this use.
Lysine is known to improve athletic performance.

Dosage for cold sores (herpes simplex labialis) is: 1000 mg daily for 12 months and 1000 mg three times daily for 6 months.
Hence, Lysine dosage varies from 1 to 3 g daily.

Best dietary supplement for potassium is by eating banans and drinking tender coconut. Natural source of calcium is consuming adequate quantities of milk and Vitamin C is consuming citrus fruits like orange, musambi and lemon.

You can supplement additional potassium by taking Oral Rehydration Solution (ORS). Calcium and Vitamin C can be additionally supplemented in the form of tablets.

Hope the information provided would be helpful.
All the best.
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How Much Lysine Is Safe To Take?

Hi Rita, Thanks for posting in HCM. Lysine is an amino acid, which is building block of protein. It is mainly used for preventing and treating cold sores (caused by the virus called herpes simplex labialis). It can be taken by mouth or applied directly to the skin for this use. Lysine is known to improve athletic performance. Dosage for cold sores (herpes simplex labialis) is: 1000 mg daily for 12 months and 1000 mg three times daily for 6 months. Hence, Lysine dosage varies from 1 to 3 g daily. Best dietary supplement for potassium is by eating banans and drinking tender coconut. Natural source of calcium is consuming adequate quantities of milk and Vitamin C is consuming citrus fruits like orange, musambi and lemon. You can supplement additional potassium by taking Oral Rehydration Solution (ORS). Calcium and Vitamin C can be additionally supplemented in the form of tablets. Hope the information provided would be helpful. All the best.