NutricostL-tyrosine 500 mg, 180 capsules Nutricost

Q: What is this used for?

I think it has many uses but I give it to my son along with 5-htp to help with the symptoms of Asperger's and ODD. I have found them to make a ton of difference in these symptoms.

Q: When does it begin to work?

It’s not that it doesn’t work 1 capsules isn’t enough for it to work take 2-3 and you’ll would feel the effects

Q: Where is this item made?

There is a U.S. flag logo on the bottle that says "Made in the USA". Also, "Non GMO" and "Gluten Free" logos. I have been pleased with the quality of their products.