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Source Naturals, L-Lysine, 1,000 mg, 100 Tablets

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Source Naturals, L-Lysine, 1,000 mg, 100 Tablets

In Stock
100 Tablets
100 Tablets
250 Tablets
  • Expiration Date: Jan 2021
  • Shipping Weight:
    0.24 kg
    Switch to Imperial units
  • Product Code: SNS-00142
  • UPC Code: 021078001423
  • Package Quantity: 100 Tablets
  • Dimensions:
    12.7 x 6.4 x 6.4 cm , 0.2 kg
    Switch to Imperial units
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Product Overview


  • Dietary Supplement
  • Free Form

L-Lysine is an essential free-form amino acid which acts as a precursor for other amino acids, including L-carnitine (needed for fat metabolism). L-Lysine is crucial for the formation of collagen, a major part of the body's connective tissues. L-Lysine also contributes to energy production when converted to acetyl coenzyme A, one of the principal fuels for the Krebs Cycle.

Suggested Use

1 tablet daily.

Other Ingredients

Stearic acid, sorbitol, colloidal silicon dioxide, modified cellulose gum, and magnesium stearate.

Suitable for vegetarians. Contains no yeast, dairy, egg, gluten, soy or wheat. Contains no sugar, starch, salt, preservatives, or artificial color, flavor or fragrance.


Note: If you are pregnant, may become pregnant, or breastfeeding, consult your health care professional before using this product.

Do not use if either tamper-evident seal is broken or missing. Keep out of the reach of children.

Supplement Facts
Serving Size: 1 Tablet
  Amount per Serving % Daily Value
Calories 5  
L-Lysine (HCl) 1 g
†Daily Value not established.
iHerb Customer Reviews

Using for reactivated Epstein Barr Virus

Posted by iHerb Customer on Jul 27, 2017 | Verified Purchase

Have used other products from this brand and been very happy. 1st time I have used Lysine (3000 mg) and got an almost an immediate energy boost from it. I've already purchased another large bottle.

Thanks for your feedback!


Posted by iHerb Customer on Jul 23, 2017 | Verified Purchase

Herbistä kannattaa ostaa Lysiinit.

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Lysine great for your body.

Posted by iHerb Customer on Jul 20, 2017 | Verified Purchase

Like this product and use it regularly.

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Wonderful for coldsores

Posted by iHerb Customer on Jul 18, 2017 | Verified Purchase

My husband uses this everyday to keep his coldsores away. Without this he will come down with coldsores every few months.

Thanks for your feedback!

Great products -cold buster

Posted by iHerb Customer on Jul 09, 2017 | Verified Purchase

When I feel cold coming or when I feel first onset of cold sore, I take L-lysine and lo and behold it stays clear. I'm not joking it's been a saver. FIY tablets are on a bigger side, but it doesn't bother me. Check my profile for more info on what I have found to be helpful.

Thanks for your feedback!