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N-Acetyl L-Tyrosine (NALT) Powder

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N-Acetyl L-Tyrosine (NALT) Powder


  • May improve mood
  • Promotes overall mental wellness
  • Form of L-Tyrosine
  • Taste

  • Mixability

N-Acetyl L-Tyrosine (NALT) is derived from l-tyrosine, an amino acids. NALT may benefit mental wellness and improve mood.


Serving Size & Timing

It is recommended that this supplement be taken in servings of 400 mg (about 1/8 tsp) per day prior to a meal, or as directed by a physician.

Nutritional Information

Supplement Facts

Serving size: 400 milligrams
Serving per container: *
Amount Per Serving % Daily Value**
N-Acetyl 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 400 mg (about 1/8 tsp) daily before meal, or as directed by physician.

US Standard Measuring Spoons
Spoon Size(level) milligrams
1/32 teaspoon 103
1/16 teaspoon 206
1/8 teaspoon 412



This supplement is considered to be 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.

Anyone that has blood pressure issues or problems with migraines may want to consider staying away from 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. Women who are pregnant or nursing should not take this supplement.


This NALT version of Tyrosine is 20 times more water soluble than standard Tyrosine, meaning that it is able to dissolve very rapidly. While the taste of it is quite sour, it is not usually described as unpleasant. 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. This supplement should be stored in an area that is free from light, heat and moisture in order to preserve its potency.

California residents: Click here for Proposition 65 warning.

Customer Reviews

Definitely decreased my dark mood (almost depression)
After my sister died, months later I was still trying to shake the bad feelings then I took around 1/3 of a teaspoon of NALT. A day later I was able to think of happier thoughts. Years later the same thing happened with my dads death, this time it took three doses to cure me. So now my wife has passed away indirectly from complications of antidepressants destroying her brain. I will take one dose and I will feel OK for five days then darkness and sadness comes on again and I have to take it again, but it works. I’ve had to do this for the past year in a little bit. kambc I don’t know what I’d with out this product. I’m on hm.*

On 5/3/2019 Terry said...

I received this as a sample. Previously I was taking regular l-tyrosine in the morning along with other supplements. So far this form has been more effective for mood lift and energy.*

On 4/8/2019 Giselle said...

Great product
Very good product. Mixes well in water, and good for the mind. *

On 12/12/2018 Bruce said...

A whole different ball game
i had been buying regular l-tyrosine from a local vitamin store, and at first it seemed to help a little, but it quickly became apparent i wasnt really getting any benefit. i knew about NALT, and ordered from here cause its pretty obvious they sell quality goods at a quality price. but man, that added acetyl group makes all the difference, just like with l-carnitine. this stuff is fantastic. instead of a bunch of capsules i just put about ⅛ teaspoon of NALT along with my ALCAR and l-theanine in a sip of water, and its just an easy perfect combo that works great and saves me a ton of money. i wll definitely be buying from here again. *

On 10/19/2018 Kyle said...

very good when mixed with my morning coffee to boost energy levels and mental clarity! Try adding some MCT oil and a pat of butter and some Blue Lotus powder for the double whammy. Also makes your coffee taste really good!*

On 8/9/2018 brad said...

Helps me a lot
N-Acetyl L-Tyrosine gets my TSH, T3, and T4 to near normal levels, as I suffer from Hashimoto’s Thyroiditis. I love getting this NALT powder from Bulk Supplements because it contains no fillers and comes at a good price.*

On 7/10/2018 Judith said...

N-Acetyl L-Tyrosine (NALT) Powder
It's awesome product with awesome price. I bought more then just Tyrosine. This is the 3 rd times I ordered from Bulk supplement. My wife has MS Tyrosine is one of the ingredients I use to subsided chronic fatigue sydrome. If you subcribe your email you can also get 10% off.*

On 5/12/2018 Nhan said...

lifting my mood and giving me better focus
I am taking for lifting my mood and giving me better focus.Makes me feel MORE alert.Taste is O.K.I mix 1/8 teaspoon in small amount of water and shoot it down.Super fast shipping!*

On 1/14/2018 Kathy said...

Great with 5-HTP
I began using BulkSupplements powders a few years ago.... I started taking the NALT with 5-HTP about a month ago and notice a great difference in my mood! This was recommended in the book "Mood Cure"...
highly recommend Bulk Supplements because there are no fillers... just pure powder! Thank you so much!!!! I'll be back!*

On 10/23/2017 Kimberlie said...

The sweet spot
This stuff is rather inspiring and hit;s the sweet spot. Bulk Supplements always has great prices and quality, The NALT version is worth checking our *

On 9/4/2017 Blair said...

First time using Nac-L-Tyrosine
Had read from Lyle McDonalds blog that this Ammino acid had the synergistic capacity with the ECA stack I have been taking for weight loss. I had been struggling the past month or 2 as the appetite suppression of the stack had worn seemingly less effective.

I added 500g per serving of my stack and had a decent effect. I then Bumped it up to 1g per serving so 3g a day.

It has made a great difference, the suppression is back, and i am loving the mental effects and calmness that come with this supplement.*

On 5/19/2017 Jacob G. said...

Nalt Disney
An excellent product from Bulk Supplements!

I take this a few times a week and it helps with my mood! *

On 3/16/2017 Trevor said...

Works great. Quality and service are tops.*

On 10/30/2016 Michael said...

Better than reg tyrosine
I've been taking reg tyrosine in capsules for years. This is more convenient, and more effective. *

On 10/11/2016 Jered said...

Quick Delivery
I've seen Bulk Supplements track record for quality and label accuracy is pretty solid on Labdoor. This review is for quick timing on the delivery. I've tried this one for the first time today and while it may be too soon to judge, I can certainly feel a difference in my mood and motivation level.*

On 9/1/2016 Nathan said...

This stuff WORKS!!
Great quality supplement at a terrific price. It absolutely works well. Unfortunately, I am already high in dopamine, so this product actually pushed up the levels higher and caused too much alertness and difficulty sleeping for me. I found this out by using this product -- that is how I know it works. *

On 6/8/2016 Gavin said...

Another great product from bulk supplements to add to your pre-workout stack. Taste isn't the best but you're not really buying these supplements for their taste.*

On 5/14/2016 daniel said...

Works Very Well
I am taking it to boost dopamine. It is important to boost neurotransmitters by having your body produce it instead of using a drug to recycle what you already have. It works really well and noticed its anti-depressant effects a few hours after taking it. Definitely a great alternative to taking drugs. I absolutely recommend it.*

On 3/20/2016 Gavin said...

N-acetyl l-tyrosine
great quality, very strong, really fine and blends very well, trying to ease off the caffeine and this gives me good Focus plus a good feel, fast shipping great costomer service love this company my new go to store!!!*

On 3/12/2016 Joel said...

N-Acetyl L-Tyrosine
This product is great. Gives me more focus when I'm tired. Helps a lot at the gym.*

On 1/27/2016 David said...

Very Good
Great improvement of concentration and taste is a little sour.*

On 11/25/2015 Thomas said...

Excellent Product
Okay i did my research and this product kept on popping up to help with attention, concentration and lots of other benefits. I ordered this from Bulksupplements and honestly it does everything i expected it to do. Thanks a lot of this great product*

On 11/23/2015 shujauddin said...

Feeling better
I feel better even after just a few days. It is better to have in a little water, is a little bitter but ok. Good price and fast shipping. Will be buying again.*

On 11/22/2015 Cheryl said...

brain power
after experiencing significant brain fog and overall fatigue, my N.D. put me on n-acetyl l- tyrosine among a few other amino acids. I experienced a reversal of the fog and fatigue I have noticed an improvement in the workouts. More stamina*

On 10/25/2015 Ken said...

Great Product
Great quality product. Has already helped with memory issues. Very fast shipping and communication as well.*

On 7/25/2015 Pat said...

Already see a difference!
I already see a difference in my ability to find the correct word, and my halted speech. Just a warning it is a little binding, so be aware of that and drink plenty of water, and eat foods that encourage loose stools.*

On 7/24/2015 Terry said...

My pre-workout mix
I put this product into my supplement stack because I like the effects of being totally focused both in and out of the gym. The first time I had ever tried or even heard of N-Acetyl L-Tyrosine was in a pre-workout called "Kill It". I noticed my focus was increased when I was taking it. So I did some research and decided to make my own pre-workout without all the other stims I didn't want.
Good stuff!*

On 7/23/2015 Enrico said...

Best version of L- tyrosine
At two servings a day for 12days ive definitely felt like my mood and metabolism have positively benefited from this form of tyrosine. Potent. Great for stacking with other aminos etc. Will purchase again.*

On 6/26/2015 Alex said...

Great as a pre-workout supplement!
I'm an absolute fan of Bulk Supplements products. High quality supplements, great prices, my order is processed and delivered quickly, and they have excellent customer service. I've become a loyal customer.

After reading the reviews for NALT, I just had to try it for myself, and I have not been disappointed. As an example, after a long day at work, I was absolutely wiped out when I got home last evening. I hadn't worked out for a couple of days, so I wanted to at least get a light workout in. I had already ate dinner earlier that evening, so I didn't really want to go for anything heavy like a protein shake that I start off the morning with. I decided to use the NALT, along with the Bulk Supplements ascorbic acid (Vitamin C) crystalized powder, and mix it with a glass of orange juice. Minutes after drinking it, I felt revitalized and was able to do a fifteen minute, kettle-bell workout without any problem. I'm fairly sure I could've managed to do the workout without the NALT, but the NALT gave me the extra push and motivation I needed to complete it, without any lethargy. I'm sold on this product and highly recommend it.

On 6/11/2015 Roy said...

Better than L-Tyrosine
I have taken the L-Tyrosine powder from for several months. I could notice the difference within 15 minutes of intake.
So amazing! Later I did some research and found that L-Tyrosine is a precursor of Thyroid Hormones, which explained the mental lifting the powder gave to me. Later I learned that the NALT is even better than L-Tyrosine. NALT is a more efficient form of L-Tyrosine. I am happy to order NALT for a free sample offered.*

On 5/13/2015 Wei said...

Helps with workout stress
I have had a great response to NALT in dealing with the heavy workouts I do each day. Before taking tyrosine, I would get get wiped out and have to take a quick nap for lunch just to get refreshed.
Now I have taken this for a couple of weeks, I have noticed I am not as worn out by mid-day and actually feel good and energetic enough to go for late afternoon walks.
I ll keep taking this for sure.*

On 5/13/2015 Tom said...

Excellent for staying awake, mental alertness
This has been one of my favorite supplements for pre-workout stacks. Also great for working nights. Good for staying awake with coffee, yohimbine, Taurine. 1/4 tsp to 1/2 tsp does trick. Use 1/4 tsp for stack, 1/2 with coffee. Totally recommend.*

On 4/18/2015 Benjamin said...

N-Acetyl L-Tyrosine (NALT) - 250g Pure Powder (review)
I've been a user of L-Tyrosine for sometime. L-tyrosine is excellent as a calming amino. However, I've been curious regarding N-Acetyl L-Tyrosine (NALT), but have found it to be pricey, until BulkSupp. *

On 4/11/2015 Tim said...

Great Focus
I really enjoy the focus and upbeat feeling I get when using Tyrosine in my preworkout supplement. Caffeine, Yohimbine, and Tyrosine is an amazing stack for that preworkout stimulate.*

On 3/27/2015 Matthew said...

Mental alertness
I am satisfied with the benefits from this powder, but it adds a sour taste to coffee. I now mix it first thing in the morning with a pre-workout drink. I have re-ordered L-Tyrosine for Bomb-proof Coffee. *

On 3/20/2015 Dan said...

This product is assisting me in getting off of Rx antidepressants. I have felt the beneficial effects already. Focus, energy without the jitters and improved sleep. I'm so grateful for the measurable improvements*

On 3/12/2015 jane said...

pre workout
Gave me great focus at gym.. it kept me in a good mood though the day.i will order this stuff again once is finished..*

On 3/6/2015 juan r said...

love the stuff using it with some nootropics and it is amazing feel more focused on myself at the gym mind and muscle connection feels better*

On 3/5/2015 Marco said...

Glad to find bulksupplements!
Wow! I am so glad to find pure supplements with no additives like magnesium stearate or any other number of fillers. This NALT is just what I was looking for and it is working better with the first dose to help not only with mood but motivation. Then I find at night can get to sleep and stay asleep better. Thank-you bulksupplements!*

On 2/28/2015 Fern said...

Pre workout addition
Added this to my pre-workout I mix from other BulkSupplements products and it gave me focus and attitude that makes hard nights at the gym more enjoyable. As before the buying experience was great.*

On 2/25/2015 Nick said...

Great for well-being
I take NALT as part of a stack to improve mood an well-being, and this variety is stupendous. It calms me down and allows me to handle stressful situations with mental clarity. Highly recommended.*

On 1/17/2015 Conrad said...

NALT acts as an anti-stressor for extreme exercise - also is a precursor for dopamine to improve cognitive alertness
I bought this N-acetyl l-tyrosine (NALT) because I had read that it is 20 times more water-soluble than l-tyrosine. Because of that, the NALT should pass through the blood-brain-barrier more easily, make its effect felt more quickly, and stay in the body longer. On top of that, only about half as much is needed compared to plain l-tyrosine. Using a stopwatch, I can run five 50-second sprints every morning just as fast using NALT as I could with twice as much l-tyrosine. It isn't necessary with NALT to have caffeine or even to warm up. Starting out cold, my body feels stiff for only a few feet of the first sprint. After that, I can really pour on the coal. Today, I ran 4/5 sprints in under 45 seconds, my best times ever. Five months ago, my best time for the same stretch of ground was 54 seconds.*

On 1/6/2015 Stephen said...

Working well so far
I've been taking the recommended dosage for the past few mornings and have, so far, noticed a positive yet subtle effect on my general mood and ability to handle stressful situations.*

On 12/5/2014 Mike said...

Added this to my stack as a mood enhancer. I wasn't sure it was doing anything for me so I ceased using it. One fine day I was feeling "a bit" stressed and unhappy so I thought, "What the heck, I'll add it to some tea."

Half an hour later I was no longer fretting about things and went about my business. Needless to say, NALT is back in my stack.*

On 10/17/2014 Brian said...

Real Deal--don't over do it!
After having a very bad experience with their potassium citrate I was skeptical about the company (incorrect labeling issues on Amazon), but they shipped this out to me for free and it makes up for that fiasco.

I've used this in capsule form before which I how I know this is the actual product based on the results it gives me. It's strong tasting (not NEARLY as bad as the potassium citrate), but you only need and 1/8 to 1/4 of teaspoon a day. The 100 Grams they sent me is going to hold me over for quite a while.

I suffer severe brain-atrophy (neurologists don't know why) and symptoms of severe narcolepsy (late onset). I got chose this product out of pure desperation. Iif I'd known about Pramiracetam I would have chosen that as m;y gift supplement instead as it's waaay more expensive. However, Pramiracetam doesn't have a lasting effect for most people (works the first time only then loses it's effect after that). unless they take about 2.5 to 3 grams a day (making it cost prohibitive for me), whereas N-Acetyl L-Tyrosine is helping at such a low dosage it's a much better deal. While it isn't getting rid of the "loss of consciousness) I suffer completely it does appear to be curbing it a bit. I'm still being fully diagnosed though, so it may take a lot more than a supplement to counter what I'm experiencing.

I also have severe short-term memory loss (neurologist told me narcolepsy causes this, too). It's not as bad on the days I take this.

Just so you know N-Acetyl L-Tyrosine can cause arthritic like symptoms (as does N-Acetyl L-Choline). In fact, a number of neuro-enhancer products have this effect for some reason. I ache like crazy if I exceed 1/4 teaspoon a day. 1/4 or less does not seem to have this effect on me.

I recommend this product from :)


On 10/16/2014 David Galbraith said...

Great product.
Amazed at how well this is working after only 3 days!!!*

On 9/23/2014 joshua said...

Great Quality
This was my first time ordering from BulkSupplements and I couldn't have been happier with the fast delivery and high quality of the Tyrosine. Thanks!*

On 9/20/2014 Rob said...

Nice bump
Satisfactory results for mood enhancement. *

On 8/17/2014 wareaglesoul said...

Love the impact
When taking NALT or Tyrosine I have seen a significant improvement in my husband's ability to handle stress. This has come in a very intense time for us, and when he forgets to take it he is a lot more overwhelmed. I like that he is a lot happier when he takes it! I have found myself really thinking clearer and getting more done, but have noticed the negative side effect of being less patient with my kids because I feel so motivated. I'll have to be careful about that!*

On 8/7/2014 Shaena said...

Slow and steady
After consistent dosage for ~2 weeks, there ability to focus clearly is moderately better. Great buy and deal if your looking for a neuro- precursor supplement.


On 7/25/2014 BM said...

Excellent Choice
I ordered the NALT and received it in the mail in less than two days. Much faster than expected. I am a full time student and searched far and wide for something to help with my heavy workload and concentration. After reading hundreds of reviews for many different products, I decided on NALT. After a few days of taking it every morning, I noticed immediate relaxation mixed with concentration. I don't feel as stressed out about all the little things in my life now. I recommend it.*

On 4/14/2014 Paul said...

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Product Questions

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Is the 1/8 teaspoon to be mixed with 8 ounces of a liquid or is it to be taken under the tongue? Thank you!
Does this product have any egg, or is it derived from egg in any way?