by AST Sports Science | Research, Supplements
Growth factors play crucial roles in the synthesis of muscle tissue. One growth factor, in particular, Insulin-like growth factor-1 (IGF-1), is of great importance to athletes as it is involved in the expression of a complete spectrum of muscle-specific proteins....
by Paul C. Henning, Ph.D. CSCS | Research, Supplements
Some very promising research has led to a new performance supplement – Urso-X. Urso-X contains the bioactive compound ursolic acid. Research has shown this unique substrate to be a potent anabolic – anti-catabolic compound2. Ursolic acid contributes to the...
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 Dana Bushell | Articles, Supplements, Training
The term failure often denotes a negative connotation more closely associated with defeat. In the world of bodybuilding, this thought process couldn’t be further from the truth and failure is something most try to experience at least a few times a day. In fact, this...
by Paul Cribb Ph.D. CSCS. | Articles, Research, Supplements
Serious athletes are always on the lookout for a new supplement or compound that may give them that extra edge in performance or recovery. However, a recent study has just identified that when two “old-school” but highly effective supplements are taken together, they...
by AST Sports Science | Articles, Research, Supplements
Cortisol is a steroid hormone produced in your body’s adrenal gland and is released during high-stress physical and mental states such as intense exercise, anger, trauma, and even in extreme temperatures. Cortisol and Muscle Breakdown When cortisol is secreted,...
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 Paul Delia | Research, Supplements
I’ve previously documented the benefits of strategic carbohydrate consumption for muscle growth and athletic performance. Now a recent study has demonstrated a direct association between optimal muscle glycogen stores and enhanced performance during intense exercise....
by AST Sports Science | Questions & Answers, Supplements
DGC is a unique glucose crystal that supplies the perfect fuel for muscle action, workout performance, and recovery. Most bodybuilders don’t realize that just 3 maximum effort sets can deplete muscle glycogen stores by 60%. So literally, 10 minutes into your workout,...
