L-Tyrosine Powder


l-Tyrosine is a precursor to the neurotransmitters dopamine, norepinephrine and epinephrine, and to enkephalins, special peptides that subdue messages of physical discomfort.
Product: L-Tyrosine Powder
Brand: Source Naturals (More Products)
Size: 100 grams
Dosage: 1/4 teaspoon daily
Retail: $13.98
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1 Customer Reviews


Tastes bad and no real gains
by Robert

I have taken this in powder form and in capsules and have not noticed anything other then a bad taste in my mouth. The only positive thing is if you take a large dosage before a workout, you will get a little bit extra energy.

I would stick to caffeine or something else though.