Tyrosine

Tyrosine

Tyrosine

What is Tyrosine?

Some people have low levels of tyrosine in their bodies due to a hereditary disease called phenylketonuria (PKU). In people with PKU, the body cannot process an amino acid called phenylalanine, which the body needs to produce tyrosine.

Tyrosine is given as a supplement to increase tyrosine levels in people with PKU.

Tyrosine is used in alternative medicine as a potentially effective aid to improving mental performance, attention or memory.

Tyrosine is also used to treat depression or attention deficit disorder (ADD or ADHD). However, research has shown that tyrosine may not be effective in treating these conditions. Tyrosine may also not be effective in improving exercise performance.

Other uses not supported by research include dementia, hypertension, narcolepsy, schizophrenia, weight loss, premenstrual syndrome, Parkinson's disease, chronic fatigue syndrome, alcoholism, cocaine addiction, and other conditions.

It is not certain whether tyrosine is effective in treating any disease. Medical use of this product has not been approved by the FDA. Tyrosine should not be taken in place of medications prescribed by your doctor.

Tyrosine is often sold as an herbal supplement. There are no regulated manufacturing standards for many herbal compounds and some marketed supplements have been found to be contaminated with toxic metals or other drugs. Herbal/health supplements should be obtained from a reliable source to minimize the risk of contamination.

Tyrosine may also be used for purposes not listed in this product guide.

Side effects of tyrosine

If necessary, get emergency medical helpSigns of an allergic reaction:hives; difficult breathing; Swelling of your face, lips, tongue, or throat.

Although not all side effects are known, it is believed that tyrosine is probably safe for most adults when taken for up to 3 months.

Common side effects of tyrosine may include:

• nausea, heartburn;

• Headache;

• joint pain; or

• I feel tired.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You can report side effects to FDA at 1-800-FDA-1088.

Warnings

Follow all instructions on the product label and packaging. Tell each of your healthcare providers about all your medical conditions, allergies and any medications you take.

Before you take this medicine

Before using tyrosine, talk to your doctor. You may not be able to use tyrosine if you have certain medical conditions, especially:

• Overactive thyroid; or

• Graves' disease.

It is not known whether tyrosine will harm an unborn child.Do not use this product without medical advice if you are pregnant.

It is not known whether tyrosine passes into breast milk or whether it could harm a nursing baby.Do not use this product without medical advice if you are breastfeeding a baby.

Do not give herbal/health supplements to a child without medical advice.

How should I take tyrosine?

If you are considering using herbal supplements, seek advice from your doctor. You may also consider consulting a doctor trained in the use of herbal/health supplements.

If you decide to use tyrosine, use it as directed on the package or by your doctor, pharmacist, or other health care provider. Do not use more of this product than recommended on the label.

Your tyrosine dose depends on the amount of protein you consume in your diet. Follow your doctor's dosage instructions very carefully.

Tyrosine is just one part of a comprehensive treatment program that may include a special diet. Follow the diet plan created for you by your doctor or nutritionist. Familiarize yourself with the list of foods you need to eat or avoid to control your condition.

Call your doctor if the condition you are treating with tyrosine does not improve or if it worsens while using this product.

Store at room temperature, protected from moisture and heat.

What happens if I miss a dose?

Skip the missed dose if it is almost time for the next scheduled dose. Do not use additional tyrosine to make up for a missed dose.

What happens if I overdose?

Seek emergency medical attention or call the Poison Help hotline at 1-800-222-1222.

What should I avoid when taking tyrosine?

Follow your doctor's instructions regarding any food, drink, or activity restrictions.

What other drugs affect tyrosine?

Do not take tyrosine without medical advice if you are taking any of the following medications:

• levodopa; or

• Thyroid replacement (Synthroid, Levothroid and others).

This list is not complete. Other medications can interact with tyrosine, including prescription and over-the-counter medications, vitamins, and herbal products. Not all possible interactions are listed in this product guide.

More information

• Konsultieren Sie einen zugelassenen Arzt, bevor Sie pflanzliche Nahrungsergänzungsmittel oder Nahrungsergänzungsmittel verwenden. Unabhängig davon, ob Sie von einem Arzt oder einem in der Verwendung natürlicher Arzneimittel/Nahrungsergänzungsmittel geschulten Arzt behandelt werden, stellen Sie sicher, dass alle Ihre Gesundheitsdienstleister über alle Ihre Erkrankungen und Behandlungen Bescheid wissen.

Remember to keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medicine only for the prescribed indication.