
You don't necessarily need supplements to gain muscle but they can however help you build muscle a lot quicker. Supplements are simply tools to increase your muscle building potential.
There are several types of supplements that make muscle grow, recover, and rebuild faster. Here's a list of the top supplement types people use to produce the best results:
Protein - Protein powder is generally consumed immediately before and after exercising, or in place of a meal.
Having a sufficient amount of protein intake allows for efficient growth and repair of muscle tissue.
Creatine - is an organic acid that naturally occurs in the body
which supplies energy to muscle cells for short bursts of energy (such as lifting weights).
Glutamine

Multi-Vitamin
Natural Test Booster
HMB
Growth Hormone
NO (Nitric Oxide)
Anti-Estrogens
Protein Bars
Amino Acids