Drug Guide

What’s Lysine? Its Role in the Body, Dosing & Side Effects

Lysine is one of the essential amino acid, is called essential because the body can´t produce it in natural way, and so is needed to take it as supplement through vitamins or food like meat, fish milk and soya.

What is the role of lysine in the body?

Due to the importance of Lysine in the organism, the lack of it can lead to several diseases such as:

  • defective connective tissues,
  • impaired fatty acid metabolism,
  • anemia,
  • systemic protein-energy deficiency.

On other hand, any overdose from Lysine, can produce severe neurological issues. Tthat is why you shouldn’t take more than recommended dose, in order to have a proper balance in your body. If you see some problem or allergically reaction after consuming Lysine, stop the treatment and consult your doctor.

Which are the benefits of Lysine?

Maybe you’ve heard about lysine before, and you ask yourself, what are the benefits? Which are its functions in the body? How can I take it? Well you should know that Lysine can help you in the building of muscle tissues, improving recovery time after injury or surgery. It also helps in the absorption of calcium, while helping the body produce antibodies, enzymes, and hormones. Sometimes, Lysine supplements are also used to treat herpes outbreaks.

Lysine can be taken by mouth with pills or by skin with creams. So, it’s not to be underestimated the importance that Lysine has in your body and general health.

Lysine is used as inhibitor of herpes keeping it in an inactive state. Studies shows that Lysine can reduce the herpes when it taken by mouth or applied directly to the skin as cream. Also, Lysine has other benefits such as:

  • improvement of the athletic performance
  • stress handling
  • most important is that help to the calcium absorption.

Proper Lysin dosage & uses

The recommended dose will depend of the infection severity, but normally for the cold sores (herpes simplex labialis) treatment is recommended:

  1. 1000 mg daily for 12 months by mouth.
  2. 1000 mg three times daily for 6 months by mouth.

When Lysine is applied as cream the recommended dose is a specific combination of Lysine plus zinc oxide and 14 other ingredients that should be applied every 2 hours during 11 days.

Lysine and calcium supplements: for example if you are taking calcium supplements in not recommended taking Lysine at the same time because the calcium absorption in the body will increase above the normal values.

What are the side effects of lysine?

All though in many countries is considered as vitamin, Lysine can be acquired without medical prescription, however it’s strongly recommended consult to your doctor before start to taking Lysine, because there are some medications that can interact in negative way.

When it comes to side effects, lysine is considered as typically secure. Being an important substance needed in the body, can be processed without any problem. There are some documented cases, which the overdoses of Lysine can produce stomach ache and diarrhea.

Lysine is not recommended on:

  • patients that have kidney or liver diseases,
  • patients who may have allergies reactions to any component of the formula.

If you have some of these issues you have to tell your doctor before start taking Lysine!


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