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L-Tyrosine Powder

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Price From: FROM $11.96

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L-Tyrosine Powder

Key Features

  • Pure powder
  • Nonessential amino acid
  • Promotes endurance & energy
  • Taste

  • Mixability

Tyrosine is one of the nonessential amino acids and is a precursor to the neurotransmitters dopamine and norepinephrine.


Serving Size & Timing

It is recommended that this supplement be taken in servings of 400mg (1/8 tsp) one to three times daily. Preferably, each dose should be taken right before a meal.

Nutritional Information

Supplement Facts

Serving size: 400 milligrams
Serving per container: *
Amount Per Serving % Daily Value**
L-Tyrosine 400mg *
* Daily Value not established.
** Based on 2,000 calorie diet


Sugar, soy, dairy, yeast, gluten, corn and additives.

As a dietary supplement, take 400mg (scant 1/4 tsp) one to three times daily between meals, or as directed by physician.

US Standard Measuring Spoons
Spoon Size(level) milligrams
1/8 teaspoon 245
1/4 teaspoon 490
1/2 teaspoon 981



This supplement is considered pharmaceutical grade and contains no fillers of any kind.


As long as suggested serving sizes are adhered to, no side effects should be experienced. Taking more than the recommended amount may result in insomnia, anxiety and general restlessness. More serious side effects resulting from overuse such as arrhythmia and heart palpitations are also a slim possibility.

Women who are pregnant or nursing and anyone who has blood pressure issues or migraines should avoid this supplement. Those who take MAO inhibitors should not take this supplement. Those who are on Levodopa, a medication prescribed to alleviate some of the symptoms of Parkinson’s, should not take Tyrosine supplements without first talking with a doctor.


Tyrosine dissolves easily in water. It can be mixed with either water or juice and taken that way, and it is preferable that it be consumed on an empty stomach. There is no taste. This supplement should be stored in an area that is free from light, heat and moisture in order to preserve its potency.

Customer Reviews

Absolutely love it!
Really great product. The powder is very pure and mixing is super easy. Tastes amazing in my pre workout drink. I highly recommend there other products to definitely a returning customer. *

On 10/21/2016 Roberto Gomez said...

Secrete Weapon for Finals, Etc.
This is my third Tyrosine Order from

As a law student, I use Tyrosine to study for finals or whenever life heats-up. It's a great way to keep-up when a 9-5 turns into a 5-9.

Also check out n-acyle-tyrosine ("NALT") for when life accelerates to redline. However, I've found that NALT can make me edgy and impatient and Tyrosine doesn't seem to have these effects. *

On 10/19/2016 Tucker said...

Noticing a Difference
I take quite a lot of supplements and herbal formulas, so sometimes it's difficult to know whether something is making a difference or not. I've waited a while to post this review, until I had a better idea how it's working for me. I have noticed an improvement in focus and mood, along with more energy during the day, and sleeping better at night. I attribute at least some of this to the tyrosine, and perhaps the phenylethylamine I've also started taking recently, and a self-made herbal formula. In any case, I'm happy I've added this to my regimen, and recommend it. *

On 9/10/2016 Bob said...

Great Focus!
Added to my pre workout mix and i can't believe how much mental focus I have felt with this! Mixes great too*

On 8/28/2016 Cadi said...

L-Tyrosine and Focus
I bought this product after reading about the increased focus generated by L-tyrosine supplementation. I've been using for the past few days to improve my focus at work and I have to say: this product did not let me down. I've increased the amount of things I get done by at least 50%. Very good product.*

On 8/13/2016 Thiago said...

Very good quality product!
I am using this product for my formulations and I am very satisfied with the quality and the results!*

On 8/4/2016 Boris G. said...

Very good quality product!
I am using this product for my formulations and I am very satisfied with the quality and the results!*

On 8/4/2016 Boris G. said...

L Tyrosine powder
This is the 3rd time I've ordered this product. LOVE IT! Mixes easily with anything, very pure (I requested the data on potency), tasteless and I will continue to order through BulkSupplements. Very pleased with their products and fast service :))*

On 7/13/2016 Julie said...

Great powder
Works better than other l tyrosine products I have tried. I notice immediate results unlike other l tyrosine products where I notice nothing.*

On 5/10/2016 Airin said...

Great powder
I love bulk supplements! I have been shopping with them for over a year now. I take l tyrosine because i have two MTHFR geneic mutations which means i do not make enough neurotransmitters. Taking methylated folic acid helps to make more, bUT without the raw materials to make dopamine and norepinephrine it doesn't make much difference. This is where the l tyrosine comes in. It gives me raw materials to make what i need. I have taken other l tyrosine supplements bUT do not notice any difference, whereas with bulk supplements l tyrosine the purity and efficacy so wonderful I notice immediate results!*

On 5/10/2016 Airin said...

L-Tyrosine powder
My daughter has been on a hormonal balancing program and the L-Tyrosine her health care provider had her use originally was very difficult to mix into a liquid. It had to basically be mashed into something thicker like peanut butter. This L-Tyrosine powder is so much easier to use, as it is a finer powder and mixes better. Much appreciated.*

On 4/19/2016 Janean said...

Better mood, energy and mental focus! It works!*

On 2/23/2016 Rob R said...

L tyrosine
I ordered l tyrosine and I am definitely NOT disappointed. I am going to be reordering it soon. I use it with my preworkout shake and I get a very noticeable increases focus. This is one supplement I very much recommend for anyone looking for more focus and concentration.*

On 2/23/2016 John b said...

Great for focus
When using tyrosine for my workouts, I notice a much increased and deeper focus. Also I'm getting much better sleep with vivid dreams. All of this means my recovery will be even better. L-tyrosine is an odorless, tasteless powder that goes down easy.

On 1/31/2016 James said...

helps normalize neurotransmitters use labwork to determine need
this is a good clean tyrosine powder which i use to help normalize neurotransmitter levels when labs indicate they are off, recommended for this but best to do lab checks to make sure it's right for you. *

On 1/25/2016 Evan said...

Good Quality and great for fitness and weight loss
I don't advise following my behavior but the following information may be very usefull for you. I usually take mega doses, in the range of 1 to 3 grams per day. Single dose in the morning. A full tablespoon. Never felt any side effects but it may be to my personal chemistry, No withdrawal symptoms either. However after a week or so, i started to lose appetite, and for me that was great. I had been fighting with overweight for several years, strong sedentarism and cravings for sugar. Never been able to sustain a diet due to hunger attacks. and I hate the gym. With L-tyrosine my resilient hunger become far more manageable and after 6 weeks I was able to have 2 meals per day. currently I weigh 160 pounds (from 220), Have been taking it for a year. If i don't want to lose weight anymore I just take a more conservative dose (500mg). After a month on a reduced dose the hunger attacks come back. It has been good for depression, apathy and procrastination. From a sedentary behavior I did become active and more motivated. I am diagnosticated with Bipolar type 2. but seldomly I have hypomanic behavior and it always has been manageable. 99% of the time is a chronic depression resistant to traditional medication. L-tyrosine has helped me a lot more than lithium or lamotrigine (which I still take). HOWEVER I STRONGLY WARN BIPOLAR 1 OR 2 WITH STRONG MANIC OR HYPOMANIC BEHAVIOR TO STAY OUT OF TYROSINE. The other thing is take it takes a while to start kicking in, and also to start kicking off. more than a month in both cases. I started taking it because i read "the way up from down" from PRISCILLA SLAGLE, MD*

On 12/2/2015 Hans said...

I use tyrosine to aid in focus and muscle fatigue prior to strenuous exercise. I couldn't be happier with the qua and price and customer service from bulk supplements. *

On 10/6/2015 William said...

Not Tired Thanks to Tyrosine
This is my second go with tyrosine from I had waited a month to reorder to see how I would respond to my workouts and I will say, in my case, there was a big difference.
I have been using tyrosine now for a week and my post workout blahs are gone! I would feel drained after working out lately but now I am not as worn out mentally and even physically. My workouts have only increased in intensity so I know that tyrosine is effective in my case. I stagger dosage and go high on back and leg days, like 2 grams, and use about a gram for other workouts.
Its worth a try to help ease the stress of heavy lifting and grueling workouts.*

On 9/30/2015 Tom said...

Highly Recommended
Bulk Supplements is the best when you need pure supplements. I've taken Tyrosine before from other manufacturers but this is definitely the best results I've gotten. Worth every penny.*

On 9/28/2015 DAVID said...

brain food
I ltake l-tyrosine because of a thyroid disorder. I am glad to be able to purchase a great product from Bulksupplements that has no fillers or any other added ingredients as I aso have non-celiac gluten sensitivity. Will be purchasing from them again. *

On 9/13/2015 nancy said...

I've been stacking this with Piracitam and bulletproof coffee in the mornings on an empty stomach. WOW. Excellent mental performance. Excellence service from bulksupps as usual!*

On 8/24/2015 Eric said...

I recently purchased L-Tyrosine BULK product from Bulk Supplements and am very pleased with the quality and efficient service they provide. I will be re-ordering more product from them. *

On 7/25/2015 John said...

It works
It mixes well with water, doesn’t have any distinctive odor, and is almost tasteless.
I have been taking it for more than a week already (although, after reading more about this amino acid, I increased the recommended dose up to 1 gram per serving – 3 times a day) and noticed that my choking feeling started to disappear. Sometimes I have a feeling as if I have an anxiety attack for no obvious reason, my breathing becomes shallow. Looks like L-Tyrosine helps to manage stress-like feeling.*

On 6/22/2015 Elena said...

Highly Recommended
Great product to add to your pre workout mix! Helps to increase my focus and elevate my mood during my workouts. Works well with other pre-workout products that I get from this site such as caffeine, L-citrulline malate, and beta-alanine. Definitely recommended!*

On 6/6/2015 David said...

This is potent tyrosine that works better than the capsules I used to buy. Love it.*

On 4/14/2015 CC said...

Great product ,I mix it with other vitamins and supplements and feel full of energy
this is my second order *

On 3/15/2015 Dr.Homayoon said...

Great product to get me going in the morning or overcome afternoon slump in energy. It keeps me alert and productive w/o jitters.
Bulk Supplements has great pricing and fast shipping!*

On 3/3/2015 Michael said...

Great product for preworkout stack
I ordered this product to mix into my own preworkout stack and it is awesome! I use 2,000 mg mixed with 200mg caffeine + AGK + b3 +beta alanine. Really great way to have your own preworkout with ONLY the ingredients you need -- all of them are available on this site, too. Highly recommend! *

On 2/27/2015 Melody said...

Great product. I mix with creatine, cocoa and coconut oil in my coffee each morning.*

On 2/1/2015 Dan Bialik said...

L-Tyrosine, is an anti-stressor for extreme cold, intense exercise, and a precursor for dopamine to improve cognitive alertness
I bought this l-tyrosine for help with ADHD. I have noticed that taking two grams before running a half-hour of Peak-8 sprints in the cold predawn morning that really I can just fly along. It was absolutely no problem to increase these exercises to seven days a week now, as well. (No willpower was required.)

The following benefits of l-tyrosine has been abstracted from MEDLINE (GreenMedInfo):

1. Deficiencies of the amino acids tryptophan and tyrosine may play a key role in autism.
2.The amino acid tyrosine is superior to synthetic T4/T3 combination in reducing TSH [Thyroid Stimulating Hormone] and improving mood in winter, whereas the T4/T3 combination worsens mood in the summer with no improvement in winter.
3. Tyrosine improves clinical signs of dopamine-dependent depression.
4. Tyrosine is an effective treatment for narcolepsy.
5. Tyrosine supplementation improves cognitive and psychomotor performance in cold conditions.
6. Tyrosine supplementation mitigates memory decrements during cold exposure.*

On 1/5/2015 Stephen said...

its a great supplement , i drink it in the morning before my workout i feel with energy,focus and positive. excellent product. thanks*

On 9/15/2014 carlo said...

Great product
It is a part of my pre-workout, and it works very well. I used it already 4 times and my workouts were great; great focus.
It mix well and doesn't have any "surprising sides"*

On 8/16/2014 Dmytro said...

great product mixes well part of my preworkout formula.*

On 8/4/2014 john said...

Good product
Tyrosine seems to give me a little energy in the morning. I'm taking it in combination with l-tryptophan. I got free ground shipping and it only took two days to arrive. Excellent customer service!*

On 6/20/2014 Jeff said...

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