Beta-alanine from nutricost is my go to. It is what it says it is. I feel this is the real deal. It's amazing. Highly recommended. I highly recommend this product.

I am perplexed people are willing to deal with this side effect of feeling like there a dozen ants crawling on your skin. It’s literally polar opposite to how o wish to feel on supplements or drugs. Massive headache, major nausea, sweating and shaking...  Read More

Maybe my experience is unique. Hard to know. Be very, very careful.