Source Naturals L-Tyrosine 500 mg - 50 Tablets

What is L-Tyrosine and what is it used for?

L-tyrosine is a non-essential amino acid that the human body can synthesize from phenylalanine, but in certain situations, it may be beneficial to obtain it through supplementation. This compound acts as a precursor to key neurotransmitters such as dopamine, noradrenaline, and adrenaline, as well as thyroid hormones and melanin, the protective skin pigment. As a free-form amino acid, it is rapidly absorbed and can cross the blood-brain barrier, facilitating its action in the central nervous system.

Source Naturals' dietary supplement features L-tyrosine in its free form, not bound to other molecules, which enhances its bioavailability. Each tablet contains 500 mg of the amino acid, a common dose in this type of product. It is important to note that food supplements should not be used as a substitute for a balanced and varied diet.

Benefits of L-Tyrosine as a food supplement

L-tyrosine contributes to the normal functioning of the nervous system and energy metabolism, according to statements approved by the EFSA. As a precursor to catecholamines, it can help maintain an adequate state of alertness and concentration in situations of mental or physical stress. However, it should not be attributed the ability to improve athletic performance or treat mood disorders.

In addition, tyrosine participates in the production of thyroid hormones, which regulate basal metabolism. It is also necessary for the synthesis of melanin, protecting the skin from solar radiation. These physiological processes benefit from an adequate supply of the amino acid, but supplementation is only indicated when the diet does not cover the needs or in specific situations of higher demand.

Ingredients and product quality

This product contains only free-form L-tyrosine, microcrystalline cellulose, stearic acid, and silicon dioxide as excipients. It does not include yeast, dairy, egg, gluten, corn, soy, or wheat. It also contains no sugar, starch, salt, preservatives, or artificial colors. It is a clean formula, suitable for people with allergies or food intolerances.

Source Naturals is a brand with more than 40 years of experience in the sector. Manufactured in the United States (Scotts Valley, California) under strict Good Manufacturing Practices (cGMP). This guarantees the purity and potency of the supplement, as well as the absence of contaminants. Each batch undergoes quality controls to ensure it meets what is declared on the label.

How to take L-Tyrosine correctly?

The recommended dose according to the manufacturer is 1/4 teaspoon (approximately 500 mg) daily, mixed with water or juice between meals. It is preferable to take it on an empty stomach to facilitate its absorption, as competition with other amino acids can reduce its passage to the brain. It is not advisable to exceed the stated daily dose.

It is important to consult a healthcare professional before starting supplementation, especially if you are taking thyroid medications, MAO inhibitors, or blood pressure medications. L-tyrosine can interact with certain treatments and is not recommended for people with uncontrolled high blood pressure or bipolar disorder.

Frequently asked questions about L-Tyrosine

What is the difference between L-tyrosine and N-acetyl L-tyrosine?

L-tyrosine is the natural form of the amino acid, while N-acetyl L-tyrosine (NALT) is a modified variant that is better absorbed but has a lower molecular weight of tyrosine per dose. The free form is more common in supplements and is rapidly absorbed.

Can I take L-tyrosine with other amino acids?

Yes, but it is recommended to take it separately from protein-rich meals to avoid competition for transport. Combining it with other amino acids can be safe, as long as the indicated doses are followed.

How long does it take to take effect?

Some people notice its effects within a few days, but it can vary depending on the individual. There is no conclusive evidence on an exact time; its use should be part of a comprehensive health approach.

Where to buy quality L-Tyrosine?

This Source Naturals product is available in specialized nutrition stores and herbalists. When purchasing it, verify that the packaging is sealed and that the expiration date is adequate. Store it in a cool, dry place, protected from direct light.

Remember that food supplements should not replace a balanced diet. Always consult a professional before starting any supplementation, especially if you suffer from any illness or are pregnant.