NOW L-Tyrosine supports mental alertness and positive mood by fueling your body's production of key neurotransmitters. This conditionally essential amino acid becomes the building block for dopamine, adrenaline, and noradrenaline — the brain chemicals that help you stay focused and maintain emotional balance during demanding times.
Why It Works
NEUROTRANSMITTER SUPPORT: Directly supports dopamine production for mood regulation and mental clarity, unlike generic mood supplements that work indirectly.
STRESS RESPONSE: Fuels adrenaline and noradrenaline production — your body's primary actors in acute stress response.
THYROID FUNCTION: Critical for normal thyroid gland function, supporting overall metabolism and energy production.
What's Inside
Each capsule contains 500mg of pharmaceutical grade L-Tyrosine with minimal inactive ingredients. Free from sugar, salt, wheat, gluten, soy, milk, egg, and preservatives.
Why we carry it: NOW delivers pharmaceutical grade amino acids with third-party testing and transparent labeling — no proprietary blends or marketing gimmicks.
Supplement Facts
Servings Size: 1 Capsule
Servings Per Container: 120
Amount per Serving
% Daily Value
L-Tyrosine
500 mg
* Percent Daily Values are based on 2,000 calorie diet.
Daily Value not established.
Other Ingredients: Gelatin (capsule), Magnesium Stearate (vegetable source) and Stearic Acid (vegetable source).
Contains no: sugar, salt, starch, yeast, wheat, gluten, soy, milk, egg, shellfish or preservatives. May contain traces of corn.
Store in a cool, dry place.
Take 1 capsule 1 to 3 times daily, preferably between meals. For adults only. Consult physician if pregnant/nursing, taking medication, or have a medical condition. Persons with thyroid disease (hyperthyroidism), melanoma, or those taking MAO inhibitors or other mood altering medications should seek the advice of a physician before consuming this product. Keep out of reach of children.
I researched and found tyrosine strengthens the frontal cortex of the brain where positive emotions originate. Good for people with depression I think.
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Ana A.
Good product!
I've purchased Now L-tyrosine for relieving my depression symptoms.It really works.After one hour of taking it I can feel a difference,I feel more relaxed,difficult emotions subside.I am taking 500 mg in the morning or during the day,not every day.Sometimes it works immediately,sometimes I feel better after 2 days.I guess it depends on dopamine build up in the body.No side effects other than some days I feel jittery a little bit,but nervousness disappears in 2 hours.I would definitely recommend this product.
C
Cori
NOW is a great brand.
Tyrosine is an amino acid that is needed by the thyroid gland and the adrenal glands. The thyroid uses it to produce the thyroid hormones T3 and T4 (the T stands for Tyrosine). The adrenal glands also need it to produce adrenal hormones. The body does produce it, but if it is lacking in your diet, or your body is not producing enough, your energy levels and ability to deal well with stress decline. I personally am taking at this time 1 capsule of this Tyrosine in the morning and 1 capsule of NOW 5-HTP 50mg at night. These two balance each other very well. Tyrosine raises dopamine levels, 5-HTP raises serotonin levels, so by taking both supplements together it helps to keep the neurotransmitters balanced in the brain. Dr. Julia Ross has researched and written extensively on the use of these supplements both individually and together. I highly recommend reading her work for more information before deciding to use them so that you are well informed on their uses and risks. Also, they are not meant for long term chronic use because of their effects on the brain's neurotransmitters. Therefore knowledge of their actions on the body is definitely recommended before taking!
