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Amino acids

L-Glutamine

L-Glutamin – definition and facts in our glossary. The body's most common amino acid. Important during stress and intense exercise.

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What is L-Glutamine?

L-Glutamine is the most abundant amino acid in the body and plays a crucial role in several biological processes.

How does it work in the body?

L-Glutamine has several functions in the body, including:

Scientific benefits

Several studies have investigated the benefits of L-Glutamine. Here are some of the key findings:

  • Gut health: Research shows that L-Glutamine can help repair the intestinal mucosa and counteract leaky gut, which is linked to various autoimmune diseases (Fasano, 2005).

Dosage and recommendations

The recommended dose of L-Glutamine can vary depending on the individual's needs and the purpose of use. Generally, the following is recommended:

  • For general health: 5-10 grams per day.
  • For athletes: 10-20 grams per day, divided into several doses.
  • In stressful situations or illness: up to 30 grams per day may be beneficial, but this should always be discussed with a doctor.

It is important to note that L-Glutamine should be taken alongside a balanced diet and not as a replacement for meals.

Best sources and forms

L-Glutamine is available in several forms, including:

  • Powder: The most popular and cost-effective way to consume L-Glutamine.
  • Capsules: A convenient form for those who do not like the taste of powder.
  • Food sources: L-Glutamine is naturally found in foods such as meat, fish, eggs, dairy products, and certain plant-based sources like beans and nuts.

Side effects and warnings

Although L-Glutamine is generally considered safe for most people, some individuals may experience side effects, including:

  • Gastrointestinal issues, such as gas, bloating, or diarrhoea.
  • Excessive dosing can lead to electrolyte imbalances.
  • People with kidney or liver problems should consult a doctor before taking L-Glutamine.

It is always best to consult a healthcare provider before starting any new supplement, especially if you have existing medical conditions or are taking other medications.

Frequently asked questions

What are the main benefits of L-Glutamine?

It can also help maintain acid-base balance.

Can I get enough L-Glutamine through diet?

Yes, L-Glutamine is naturally present in many foods such as meat, fish, eggs, and dairy products. However, supplementation may be beneficial under certain circumstances.

Is L-Glutamine safe to take?

Generally, L-Glutamine is safe for most people, but it is important to follow recommended dosages and consult a doctor if you have any health concerns.

How long does it take to see results from L-Glutamine?

Products containing L-Glutamine

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