N-Acetyl L-Tyrosine (NALT)

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NALT is also available in capsules.

What is N-Acetyl L-Tyrosine?

N-Acetyl L-Tyrosine (NALT) is an acetylated form of L-Tyrosine. It breaks down to L-Tyrosine in the kidneys and is more soluble than Tyrosine supplements. [1] It is an amino acid that produces noradrenaline and dopamine.

N-Acetyl L-Tyrosine Benefits

NALT as a Nootropic

This amino acid can also enhance cognition during periods of sleep deprivation. [2] This is particularly useful for college students or busy professionals. Tyrosine can help them stay on their game if they pull an all-nighter studying for exams or working on an important presentation.

Long-term cognitive exertion also has negative ramifications on cognitive performance. This includes physical exercise and studying. this supplement is able to alleviate this cognitive fatigue. [3]

N-Acetyl L-Tyrosine Side Effects

This supplement has stimulant properties and can interact with other stimulants in theory. This product may trigger migraines in individuals who suffer from them. [4] However, this is theoretical and no such effect is seen in those who do not suffer from migraines. Individuals with thyroid issues or who are taking MAO inhibitors should not take NALT. Discuss any new supplementation plans with your doctor.

N-Acetyl L-Tyrosine Dosage

The recommended dosage is 350mg once per day. This is approximately one level 1/8 tsp scoop.

L-Tyrosine Supplements VS N-Acetyl L-Tyrosine

L-Tyrosine and NALT primarily have the same benefits; however, this supplement is easier to absorb than L-Tyrosine. This is because of the bond to an acetyl group which improves the solubility.


  1. http://www.ncbi.nlm.nih.gov/pubmed/2507878
  2. http://www.ncbi.nlm.nih.gov/pubmed/7794222
  3. http://www.ncbi.nlm.nih.gov/pubmed/16766505
  4. http://www.ncbi.nlm.nih.gov/pubmed/23493762

Additional Resources

L-Tyrosine Examine Page
L-Tyrosine Wiki

Curated Reviews

“It is definitely strong. No reason to take more than 350mg once per day. Perhaps another 250-300mg prior to exercise for a second dose in one day. I only take it on an empty stomach like normal tyrosine,inthe morning, before consuming coffee. Caffeine will certainly accentuate the noradrenic and dopaminergic effects, be careful not to get overstimulating or overstack! No need whatsoever to combine with any other stimulants IMHO, no mod or oxiracetam necessary, in my exp. it will just lead to severage excitory burnout and headaches. I like it more than regular L Tyrosine for sure. Slow shipping to TX, wish I still lived in MA! Good product, good package. STRAIGHT FORWARD NOOTS BRAHHH”– Erich S

“Great for boosting my mood and for providing an overall, general good feeling. Nothing high and spectacular, but it does have a consistent and welcomed effect. I take it every day, about 350 mg per day, sometimes 2 times per day. I can feel the difference when I don't take it. I have taken the standard L-Tyrosine, but this N-Acetyl L-Tyrosine version seems to work a little faster and better than the standard form. It's rather soluble, so it can be mixed with just about anything.”– Michael I

“I have some guys I work with who were curious what all these weird bags I take to work were, and one of them was NALT ordered through, of course, Powder City. My friend has been weight lifting for some time now and ever since he tried NALT he always asks for more. I took this while Laying Concrete, while Landscaping, and some minor Construction and I felt great after work! I love it! MIX WITH ANYTHING THAT BRINGS YOU UP AND YOU WON'T GO DOWN AS HARD :)”– Justin C

“Fast shipping and a great value! I add this to my own pre workout and it helps negate the negative side effects from the stimulants in the mix, as well as enhance mood. I mix it with a flavored water enhancer and haven't noticed any strong taste. Also mixes pretty easy. My pre workout: 2g Beta Alanine 1g Taurine 6g Creatine Mono 350mg NALT 200mg L-Theanine 10mg Noopept 120mg Caffeine” – Mandyk

“This stuff chills me out, and I haven't had a restless night since I started taking it before bed. It has a definite sedative effect so I don't take it in the morning. Overall I get a better night’s sleep, and am in a better mood the next day. One of the best things about this amino, for me, is that it tastes good. A little bitter at first but after you wash it down with water it’s tangy and pleasant. I wouldn't call it delicious, but it’s a nice change of pace from most of the nootropics I've tried.”- Ian M.

“I wasn't planning to buy this because of the complex description. After a discussion with the owner about what I was looking for he recommended NALT. Good choice! It has a mind calming effect with a mild mood uplift. Best of all there is a smoothness to it, no disruptive side effects. A couple of the substances I take are stimulants and they can be rough. NALT is a good way to smooth out the kinks. 200mg a day seems to be enough for me but no problem taking more if needed.”- Robert A.

Review guidelines


*Statements found within have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease. Consult with your physician before taking if you are pregnant, nursing, have any cardiovascular or other medical issues, or anticipate surgery. Keep out of the reach of children.

Scientific studies cited are not conclusive and have limitations, due to of their closed environment nature. Referenced studies will not necessarily determine your experience with a supplement or nootropic, since there are many unaccounted variables, which fall outside the scope of the studies.

The reviews contained within are the opinions of contributors and are not necessarily the views or opinions of Powder City. These reviews should not be taken as fact or recommendation, and are only opinions of products that the contributors may have or may have not used. Powder City makes no warranty, implied or expressed, to the accuracy of information provided by these reviews.

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