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  #1  
Unread 08-08-2009, 06:01 AM
Raidho Raidho is offline
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Default Tyrosine addictive?

According to the label on my package of L-tyrosine, this amino-acid increases the production of dopamine in the brain, and may also increase metabolic rate due to an increase in thyroid hormone T4 (or was it T3?) production. First of all, is this true? I haven't got a clue of what tyrosine does except being raw material for the catecholamines, and thats great in terms of fat-loss.
Second, if tyrosine increases the production of dopamine in the brain, what happends if I stop supplementing with tyrosine? Does the dopamine-production adjust itself to the intake of tyrosine over time, so that the levels decrease once supplementing tyrosine intake is stopped?
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  #2  
Unread 08-08-2009, 06:30 AM
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lylemcd lylemcd is offline
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Dinna worry about it, laddy.
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  #3  
Unread 08-08-2009, 09:07 AM
Raidho Raidho is offline
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*Sigh of relief*
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  #4  
Unread 08-08-2009, 09:34 AM
PeyZS PeyZS is offline
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does this stuff actually work? come on kyle, I don't believe it

weaker effect than EC or YC?
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  #5  
Unread 08-08-2009, 11:09 AM
MikeCA MikeCA is offline
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Quote:
Originally Posted by PeyZS View Post
does this stuff actually work? come on kyle, I don't believe it

weaker effect than EC or YC?
For me it has a 'multiplier' effect on either EC or YC. Both from a stimulatory standpoint, and efficacy-wise.
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  #6  
Unread 08-17-2009, 12:08 PM
eat the rich eat the rich is offline
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May be all an illusion, but I found adding tyrosine made the EC stronger, but also more pleasant, not as jittery.
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  #7  
Unread 08-17-2009, 01:16 PM
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lylemcd lylemcd is offline
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have you ever tried tyrosine by itself? Just curious.

thanks
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