Free Form Amino Acid Dietary Supplement Supports a positive mental state and healthy stress management. What is L-tyrosine? Tyrosine is a non-essential amino acid that can be created from the essential amino acid phenylalanine. Besides being necessary for normal growth and development, tyrosine serves as a precursor to the neurotransmitters dopamine, norepinephrine and epinephrine. It’s essential for thyroid hormones and is an important part of peptides, such as enkephalins.
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Free Form Amino Acid Dietary Supplement Supports a positive mental state and healthy stress management. What is L-tyrosine? Tyrosine is a non-essential amino acid that can be created from the essential amino acid phenylalanine. Besides being necessary for normal growth and development, tyrosine serves as a precursor to the neurotransmitters dopamine, norepinephrine and epinephrine. It’s essential for thyroid hormones and is an important part of peptides, such as enkephalins.
SKU
3-158776
Brand
Vitacost
Category
Health & Wellness / Supplements / Categories / Amino Acids
Variants
1
Customer reviews
4.0
verified purchase
They say old age is no fun. However, thanks to this tyrosine, you'll feel joy! Recommended along with vitamins B and C, selenium, and zinc. It restores strength, and fatigue is a thing of the past. Insomnia has stopped tormenting me! I've also gained a newfound zest for life. I'm glad that the urge to snack at night has subsided, which is a big plus for my figure and overall health! If my review was helpful, please click Yes. Thank you!
6/9/2026
4.0
verified purchase
Mental Health Support: I've been taking L-Tyrosine for a month now, and the results are impressive. It helps me focus, improve my memory, and reduce stress. It's especially helpful on days when I have to tackle a lot of tasks in a short period of time. I recommend it to anyone looking for a natural remedy to improve mental performance and maintain a healthy psycho-emotional state.
5/30/2026
3.0
verified purchase
Seems like this one cause me alargic reaction in my eyes. Not sure why.
10/10/2026
5.0
verified purchase
OK
I took L-tyrosine for focus and energy in the mornings—it works great! It really helps me get going when I'm completely exhausted. The capsules are standard size, easy to swallow, and there's no distinctive smell or unpleasant aftertaste.
10/2/2026
5.0
verified purchase
Reliable supplement.
Recommeneded by my doctor for relaxation. Worked great. Helped me get to sleep but in a mild, not overwhelming manner. Great product.
9/29/2026
5.0
verified purchase
Works well, cost effective
It works and it’s cost effective, no complaints here
9/14/2026
4.0
verified purchase
L tyrosine
Tyrosine is a supplement that may help improve alertness, attention, and focus. Depending on the dose, it may help boost physical and mental performance.
9/7/2026
4.0
verified purchase
not sure
I took it for a while but did not feel anything, maybe i need to take more
8/30/2026
5.0
verified purchase
balancing
this ammino helps balance neurotransmitter function. At for me a calming confidence was produced.
8/25/2026
4.0
verified purchase
Seems to be working the same as the Now version i was taking before. Mainly taking for thyroid hormone support because I tend to run, mildly hypothyroid not enough that doctors will help me but enough that I feel terrible. I do think this helps Give me some more energy and it also is a precursor for important neurotransmitters.
I took three of these split over morning and afternoon. I do have severe inattentive ADHD so I always need that dopamine
