Anyone here use any source of protein purchased from shops??

I used to take Amino acid capsules when i worked out and ate, it improved my weight lifting and muscle size and endurance. Problem is during xmas period i had a break from everything and literally lost it all lol..

What do you find is the best??

Its expensive but this is supposed to be high quality..AmirKhan
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It is very expensive to purchase protein and amino acid enhancing products, but it can be worth the money if you have it.

Any basic amino acid supplement will do....If you have to spend more than $15 on a product, forget about it. Avoid going to GNC. All of their products are over priced. You can find better quality supplements online for under $15. Depends on the name brand, but any basic product will do.

Also, remember we are talking about a *supplement* here. So you should already be getting significant protein from your regular diet (chicken, tuna, egg whites etc.)