L-carnitine is a naturally occurring amino acid that plays a vital role in energy production and metabolism. Our bodies make L-carnitine, but we can also get it through certain foods like red meat, fish, and dairy products or supplements.
The sweat talk is real when it comes to GBB or the scientific name of Gamma-Butyrobetaine Ethyl Ester HCl. The GBB ingredient has been found in many potent pre-workout and weight loss products. Those who've taken GBB can really feel it...