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Jarrow Formulas, L-Tyrosine, 500 mg, 100 Capsules

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In Stock
  • Expiration Date: Jul 2018
  • Shipping Weight: 0.3 lbs (0.14 kg)
  • Product Code: JRW-15001
  • UPC Code: 790011150015
  • Package Quantity: 100 Capsules
  • Dimensions: 2.4 x 2.4 x 4.2 in, 0.25 lbs (0.11 kg)
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Product Overview


  • Free Form Amino Acid
  • Supports Synthesis of Brain Neurotransmitters
  • Dietary Supplement

L-Tyrosine is utilized for the synthesis of catecholamine neurotransmitters, such as norepinephrine, epinephrine and dopamine. Jarrow Formulas L-Tyrosine contains pure crystalline L-Tyrosine.

Suggested Use

Usage: Take 1 capsule 1 or 2 times per day on an empty stomach, immediately after arising in the morning, preferably with juice as a carbohydrate source or as directed by your qualified healthcare professional.

Other Ingredients

Cellulose, magnesium stearate (vegetable source), and silicon dioxide. Capsule consists of gelatin.

No wheat, no gluten, no soybeans, no dairy, no egg, no fish/shellfish, no peanuts/tree nuts.


Note: If you have a medical condition (especially bipolar or a history of malignant melanoma), are pregnant, lactating, trying to conceive, under the age of 18, or taking medications (especially MAO inhibitors), consult your healthcare professional before using this product.

Keep out of the reach of children.

Supplement Facts
Serving Size: 1 Capsule
Servings Per Container: 100
  Amount Per Serving % DV
L-Tyrosine 500 mg *
* Daily Value not established.
iHerb Customer Reviews

Visibly more energy.

Posted by 5285329274719688448 on Dec 01, 2016

Without jitter.

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Good product

Posted by Reviewer1458989 on Oct 24, 2016

I love this amino acid. It has helped me a lot with my thyroid problems that was affecting my breathing. After taking this product daily for about 4 weeks now, my shortness of breath has gone away. I feel more energy and happy again. I will continue to take it.

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Posted by 5434969320331341567 on Jun 30, 2016

i think its working...

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Posted by Jovana on Nov 24, 2015

I take this to combine with 5-htp for anxiety. What i got is that i am not tired any more in the morning but i didnt get any boost of energy just tirednes is decreased for like 50-60 % at the morning ai am ok now , not great but OK after 3 weeks of taking. I recomend this for some little depresive periods but not for anxiety and bigger depression. ! And i rate this with 3 stars becayse it helps with tirednes and little with mood but nothing special ! And from 5-htp i dodnt get NOTHING ! its like i drink sugar pills ! Dont buy 5-htp it doesnt help at all. Beter take Tryptophan becayse i know its working.

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Posted by 5501617647666042041 on Jul 26, 2015

It works as all tyrosine supplements. Sometimes it's a good booster but also can get you wired and anxious. I guess that depends on the state of your mind. If you're already anxious or worried - I don't recommend. It will not boost you, but get you more wired.

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