Arginine Alpha ketoglutarate, just thought you knew ur acronyms dave man. If you feel so motivated already, hypthoetically wouldn't it seem like you feel less of it? I believe your friend who only feel tingles is because he's always brimming full of energy. Perhaps you should take notes off of him. As for the rubber socks buddy of mine. Hes rather dull, but he has a crazy ab work out which involves a mirror.
that is AAKG bro.
Arginine and alpha-ketoglutarate are precursors of nitric oxide and polyamines which serve in the metabolic functioning. AKG supplements have been shown to promote growth in some studies of children as well as insulin secretion. It also aids in recovery due to the the breakdown (glutamine + proline i believe). AKG ultimately increases levels of arginine and glutamine in skeletal muscles and stimulates the immune system. it is true my friend is always brimming full of energy for he likes to crack jokes to amuse himself.
motivation helps me push although with the supplement my nervous system allows me to go further before my muscles reach failure. factors also include workload, tut, diet, and training program.
btw i'd love to know what your friend does for his ab workout. i just recently started working out abs.