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Old 12-29-18, 03:00 PM
drlizard drlizard is offline
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Re: I read a research which shows after 9 months Tyrosine stops working.

Quote:
Originally Posted by sarahsweets View Post
examine.com/supplements/l-tyrosine/

That's a terrific source, thanks! It doesn't seem to address the question of the tolerance build up, which sounds a bit like what people here write about Adderal. I'm thinking about starting to take meds but it's hard to choose what's a better course for the long run knowing that tolerance could be an issue and there's no way back from it.

Last edited by Greyhound1; 12-29-18 at 08:59 PM.. Reason: Edit commercial link for quote consistency
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