L-Tyrosine Powder

L-Tyrosine Powder , 113 Grams Unflavored

100% Pure!
Increases Metabolism And Supports Healthy Mood And Mental Functions!*
7.4  out of 10  (13 Reviews)
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Product Overview

L-Tyrosine is an essential amino acid and a precursor of the neurotransmitters dopamine and norepinephrine. In addition L-Tyrosine also aids in healthy adrenal, thyroid and pituitary function.* One thing it also does is convert to the thyroid hormone thyroxin. This plays an important role in controlling metabolic rate, not to mention skin health, normal mental health, and healthy growth rate!*

  • Neurotransmitter Support
  • Pharmaceutical Grade (USP)
  • Supports Mental Alertness
  • Supports Healthy Glandular Function

Ratings & Reviews

L-Tyrosine Powder
Overall Rating
13 Ratings
Verified Buyer Rating
9 Ratings
Average Flavor Rating
1 Flavors
Top Rated Flavor
Sem sabor
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Jul 03, 2015

Well it dissolves badly for sure, but has a good price. A put 1.6 g (1 teaspoon) into my pre-workout drink, and it certainly works. I have much better focus with tyrosine, so I can concentrate only on my training, and don't get distracted. I especially recommend this product to people on a strict, low carb diet, because tyrosine will help you to be "in the mood" for training (when usually the last thing you want to do is HIIT...). I suggest to use at least 1 g, but for me 1.5-2 g is the optimal serving. The focus it gives quite different than the one from caffeine, but they work great together. L-tyrosine with some arginine, caffeine, beta-alanine, bcaa, and your basic pre-workout is ready to go!

Mar 04, 2015
Verified Buyer

Doesn't dissolve at all not happy about this one at all. Probably go with capsules next time.

Feb 20, 2015
  • 7 Unflavored
Jun 12, 2014
Verified Buyer
  • 6 Unflavored

this product doesnt dissolve at all,just few particles of it go in to the water and the rest stays at the bottom.sorry now foods but this is not the best work you have done.

Feb 12, 2014
Verified Buyer

This is my 2nd time trying it, and I do not regret it. I would rather take this over caffeine as the energy is just strong on it. It's not the same heart racing, sweaty palms type of thing as with caffeine, but it's a potent energy supplement that will do wonders for concentration and energy. Just make sure to take it on a empty stomach and play around with the dosages. Worth every penny.

Dec 17, 2013
Verified Buyer

Very effective focus ingredient. Doesn't dissolve completely in water so have to keep string/shaking but I actually enjoy the texture it adds to my pre-workout.

Dec 04, 2013
Verified Buyer


Sep 06, 2012
Verified Buyer

I don't know why, but it caused nausea.

Aug 31, 2012
Verified Buyer

Excellent product, mixes well in liquids!

Feb 02, 2011

I like to add this to my pre-workout drink. It does not seem to dissolve in water, so make sure you keep shaking your drink up well. I really appreciate the quality ingredients the NOW line of supplements uses in all of its products.

Apr 08, 2010

Excellent pre-workout supplement! I take 1/4th tsp mixed with bulk beta-alanine and my workouts rock! I get extremely focused and driven to work hard during my workouts. I sweat like crazy when I take L-tyrosine. The serving is very small but very potent.

Feb 20, 2010
Verified Buyer

It is L-tyrosine. The nutrient benefits of L-tyrosine are greater resistance to the effects stressful conditions, it supplies the thyroid with one of the necessary materials to produce thyroxine needed for energy generation: http://en.wikipedia.org/wiki/Tyrosine#Precursor_to_neurotransmitters_and_hormones It is also one of the amino acids I am most lacking in my defective biology: http://en.wikipedia.org/wiki/Tyrosine#Precursor_to_pigments While I have experienced better with the Now encapsulated L-tyrosine, that could be because I wasn't keeping close track of my intake, taking a few capsules every half hour or so during work. It could also have something to do with the fact I was periodically taking pantothenic acid (B5) at the time; another necessary energy generating biological component. The powdered form is easier to eat and more cost efficient. For me, L-tyrosine is a step in the right direction.

Feb 19, 2010
Verified Buyer

Just can't beat the price of BB's l-tyrosine, powder or otherwise. Their NOW brand is excellent and the tyrosine itself is one of my favorite supps to use for a couple of things, including aiding along with others in fitness. Thanks BB!

1 Size
113 Grams
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Price: $22.99  ($0.08 / Serving)
Flavor Rating: 6.1


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Increases Metabolism And Supports Healthy Mood And Mental Functions!*

What's in NOW L-Tyrosine Powder

113 Grams
Supplement Facts
Serving Size1/4Teaspoon(400mg)
Servings Per Container282
Amount Per Serving
L-Tyrosine 400mg *
* Daily Value not established
Other Ingredients
Contains No Sugar, Salt, Starch, Yeast, Wheat, Gluten, Corn, Soy, Milk, Egg Or Preservatives.

Directions For L-Tyrosine Powder: As a dietary supplement, take 1/4 teaspoon in juice or water, preferably between meals, 1 to 3 times daily.

Warnings: 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.

* These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
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