by Paul Cribb Ph.D. CSCS. | Research, Supplements
Most athletes understand the important role growth hormone (GH) plays in building strength, muscle mass, and increasing performance. Growth hormone not only stimulates an increase in muscle protein synthesis, but it also stimulates joint cartilage production, amino...
by AST Sports Science | Research, Supplements
GABA – Gamma-aminobutyric acid – is a special amino acid with unique and serious performance enhancing effects. It’s a neurotransmitter with primary activity in the central nervous system and the brain, delivering signals that numerous studies have...
by AST Sports Science | Questions & Answers
Back in the early 90’s we were researching Growth Hormone and ways to stimulate its release. Out of nowhere, we stumbled onto some compelling research on GABA and its effect on growth hormone. The research was so significant that we introduced GABA to the...
by AST Sports Science | Articles
You grow when you rest. You grow when you sleep at night, and you grow when you take naps during the day (if this is feasible for you). Proper rest via healthy sleep patterns is often a missing component in an otherwise excellent approach to muscle-building. Sleep...
by AST Sports Science | Articles, Research
The amino acid Gamma Aminobutyric Acid (GABA) is a neurotransmitter that plays a key role in growth hormone (GH) secretion. Twenty years ago, a group of Italian researchers published several studies showing GABA’s unique ability to significantly increase...
by AST Sports Science | Articles, Research, Supplements
Glutamine and GABA are two extremely effective GH stimulators. In fact, they have a greater impact on increasing growth hormone than any other natural substances I know of. GABA has been shown in studies to increase growth hormone levels by as much as 550%. GABA also...
by Paul Cribb Ph.D. CSCS. | Questions & Answers
Bodybuilders know the importance of growth hormone (GH) for building muscle and shedding fat. While virtually every bodybuilder I know takes supplements, most don’t realize that some supplements can actually blunt the GH response to exercise. Melatonin...
by AST Sports Science | Questions & Answers
GABA is an awesome supplement and probably one of the most underrated performance supplements on the market. It’s easy to take and very effective at increasing growth hormone levels. Studies show a 550% increase in blood growth hormone levels 90 minutes after...
by Paul Cribb Ph.D. CSCS. | Articles, Research
Athletes know the importance of growth hormone (GH) for building muscle and shedding fat. While virtually every athlete I know takes supplements, most don’t realize that some supplements can actually blunt the GH response to exercise. Melatonin...
