2. It helps in retention of muscular protein.

3. It heightens mental alertness thus helping to offset mental fatigue.

With any amino acid supplement overdosing can lead to weakness and nausea so care should be taken in applying small doses and increasing them gradually until an optimum level is reached. Bear in mind that many protein powders and other supplements are fortified with amino acids so check labels carefully. The manufacturer's instructions should be followed in all instances.

Determined to build muscle? This cannot be achieved without dedication, sheer hard work and sound nutrition. With a solid foundation in place you can help process along with supplements like creatine, whey protein, prohormones, testosterone boosters and amino acids.

Need to lose fat? There is no point in building awesome muscles if they're covered by layers of fat. Once again, key to success is hard work but you can boost fat loss by using products from supplement categories that include fat burners, stimulant-free products, appetite suppressants and carb blockers.

Many more supplements are available to support your bodybuilding endeavors. These include energy boosters and products aimed at enhancing condition of your mind and body. As we progress through this series of articles we'll look at each of these in turn.