Lysine is an essential amino acid found in both plant- and animal-based foods that are high in protein.
However, more research is needed to confirm the effects of lysine supplementation.
Healthcare providers generally recommend getting lysine through your diet before turning to supplements.
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That means some supplement products may not contain what the label says.
The body can’t make lysine, so you must obtain it in foods or supplements.
No supplement is intended to treat, cure, or prevent disease.
More research needs to be done to assess lysine’s effects on other viral infections.
One study found lower stress levels in people who consumed lysine-fortified foods for three months.
As with any supplementation, consult a medical provider before using supplements for any purpose.
May Improve Schizophrenia Symptoms
Lysine shows promise as a complementary treatment for schizophrenia.
However, the safety and efficacy of higher doses and longer-term use of L-lysine are still uncertain.
However, the study had only 18 participants.
Generally, lysine supplements are required only if recommended by a healthcare professional due to an underlying health issue.
However, some people, such as those who follow avegan diet, may have difficulty getting enough lysine.
If you prefer vegan orgluten-freesupplements, check the label.
Topical lysine (cream) is also available but only in combination form.
This means lysine creams may include other ingredients such as vitamins, minerals, and other substances.
Talk with your healthcare provider before starting lysine supplements.
They can determine the best dosage for you and answer any questions.
What Happens if You Take Too Much?
Lysine is considered a safe, non-toxic supplement.
There is no maximum dose because the side effects of taking large amounts are not severe.
However, some researchers suggest taking no more than 6 grams of lysine per day.
However, if you experience long-term side effects from taking oral lysine, visit your healthcare provider.
Severe side effects are rare but possible.Kidney failureand gallstones have been reported from taking too much lysine.
This is because some receptors in your body prefer arginine over lysine.
Who Shouldn’t Take Lysine Supplements?
Oral supplements are available, but healthcare providers usually recommend a food-first approach.
Some research suggests that lysine supplements may help treat conditions such as cold sores and anxiety.
More research is needed to determine the full extent of lysine’s safety and efficacy, however.
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