Jarrow Formulas, N-Acetyl Tyrosine, 350 mg, 120 Capsules
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precursor for dopamine and thyroid hormone
13 people found the following review helpful
Posted by Reviewer1888613 on Jan 03, 2010
Dopamine is responsible for the feeling of well-being and prevention of depression. As there are no drugs available to boost this neurotransitor for non-Parkinson's patients, tyrosine is the only substance available to take to boost these levels. (and the n-acetyl form has shown to be most effective). Most commonly depression is related to a serotonin deficiency, but the second most common neurotransmitter assisting depression is dopamine. If 5HTP doesn't help (to raise serotonin levels) then the logic next step is to try tyrosine. It's best taken on an empty stomach.
It's good to boost thyroid hormone in patients with hypothyroid as well.
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More Powerful than Regular Tyrosine, Sometimes Too Much
7 people found the following review helpful
Posted by wholefoods on Aug 15, 2012
I purchased this product after having used Jarrow Formulas regular L-Tyrosine. I noticed a significant difference when using this product compared to the original. This product produces a much stronger effect and it sometimes felt a bit unpleasant, like I was a bit wired. I will probably use the rest of this bottle and switch back to the regular L-Tyrosine in the future.
Potent, works well!
6 people found the following review helpful
Posted by Reviewer2849306 on Dec 23, 2008
These will really wake you up! I actually get some palpitations if i take too much as it's strong. The N-Acetyl form of Tyrosine is so much more bioavailable, and is alot stronger than normal L-Tyrosine at a lower dose, therefore you don't need as much to feel the effects. It definitely helps focus and alertness through boosting norepinephrine and dopamine. Excellent product.
1 person found the following review helpful
Posted by Reviewer3239236 on May 02, 2009
Increased energy and vigilance. If only they would make it without the B-6.
I am dependent on this supplement
Posted by Reviewer2238409 on Nov 10, 2011
I use this with 4 other supplements for my bipolar cocktail and this brand seems better than others I have tried. This is a key for me and my brain.