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Now Foods, L-Tyrosine, 500 mg, 120 Capsules
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Now Foods, L-Tyrosine, 500 mg, 120 Capsules
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Now Foods, L-Tyrosine, 500 mg, 120 Capsules

By Now Foods

303 Reviews
In Stock
  • Product Code: NOW-00162
  • UPC Code: 733739001627
  • Package Quantity: 120 Capsules
  • Dimensions: 4.4 x 2.4 x 2.4 in, 0.25 lbs (0.11 kg)
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Product Overview

  • Neurotransmitter Support
  • Pharmaceutical Grade (USP)
  • Supports Mental Alertness
  • Healthy Glandular Function
  • GMP-Quality Assured
  • A Dietary Supplement

L-Tyrosine is a non-essential amino acid that plays an important role in the production of neurotransmitters dopamine and norepinephrine. In addition, because L-Tyrosine is necessary for the synthesis of thyroid hormone and epinephrine (adrenaline), L-Tyrosine supports healthy glandular function and stress response.

Suggested Use

As a dietary supplement, take 1 capsule 1 to 3 times daily, preferably between meals. Consider taking this product in combination with NOW L-Phenylalanine and Acetyl L-Carnitine.

Other Ingredients

Gelatin (capsule), magnesium stearate (vegetable source) and stearic acid (vegetable source).

Contains no sugar, salt, starch, yeast, wheat, gluten, corn, soy, milk, egg, shellfish or preservatives.

The L-Tyrosine used in this product is Pharmaceutical Grade (USP).


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.

Store in a cool, dry place.

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Supplement Facts
Serving Size: 1 Capsule
  Amount Per Serving % Daily Value
L-Tyrosine 500 mg *
* Daily Value not established.

iHerb Customer Reviews

5 Stars
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1 Stars
Excellent for Depression
I've been taking L-Tyrosine and 5-HTP for depression and anxiety for about three weeks now. The results have been absolutely amazing. This works *far* better than any prescription anti-depressant SSRI I've been prescribed. Not only has my depression and anxiety dissipated, I actually feel energetic and alive! I read about these in Dr. Priscilla Slagle's book "The Way Up From Down" and also in Julia Ross's "The Mood Cure". I've been following Slagle's basic program which involves a very high-quality Multi Vitamin Mineral (M.V.M.), a high-quality Co-Enzyme B Complex that contains the proper form of B6 (P-5-P), and an extra 50mg of B6 (Pyridoxal-5-Phosphate / P-5-P) with each dose of L-Tyrosine or 5-HTP. I also take Vitamin C. Here's what I take: L-Tyrosine 1500mg + P-5-P 50mg on an empty stomach upon first waking up. I wait an hour before breakfast so it absorbs properly. M.V.M., B-Complex, Vitamin C 1-2000mg with breakfast L-Tyrosine 1500mg + P-5-P 50mg mid-afternoon on an empty stomach. M.V.M., B-Complex, Vitamin C 1-2000mg with dinner 5-HTP 100-150mg + P-5-P 50mg before bed on an empty stomach (makes me sleepy) The 5-HTP increases serotonin, and the L-Tyrosine increases dopamine and norepinephrine. So unlike a typical SSRI like Prozac that only increases serotonin, this increases these three neurotransmitters that regulate mood. Highly recommended if you're suffering from depression/anxiety and nothing you've tried so far seems to completely work.
Dec 13, 2013
My wife uses this product because her underactive thyroid leaves her lethargic and sleepy. It does a remarkably good job in helping her feel more normal. She takes one capsule first thing in the morning on an empty stomach, and a second one mid-afternoon. She feels more energy and more mentally clear. Episodes of fatigue and weepiness have been banished since beginning this regimen. For us, it's been a lifesaver! No bad side effects, as far as we can tell. I believe that nutritional supplements saved my life. I've tried a lot of products, and I know what works and what doesn't. My reviews are honest, straighforward, and based on my experience. Read my other reviews to quickly learn from my three decades of research and experimentation.
May 20, 2013

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