All the supplements reviewed on this page have been used in controlled studies on a number of different muscle groups to show their benefits. The products are grouped in 5 main categories - 1. Stimulants, including anabolic agents, glucocorticoids, amino acids and amino acids, peptides, growth factors, stimulants and the more rare, stimulants/antidrugs. These types of supplements have been used in studies to build muscle and have not been shown to cause any health problems. Some of the most common stimulants found in these supplements are Adderall (amphetamine) and Ritalin (methylphenidate).
These stimulants and stimulants/antidrugs have side effects that can be potentially life threatening including high blood pressure, blood clots and sudden death. A few of these supplements have been proven to increase your risk of heart attack or stroke. Most of these stimulants and stimulants/antidrugs are found in the same supplements as creatine. Creatine has been used as an anabolic aid since the mid 1980s, and is an amino acid derived from animal muscle. Creatine is the most commonly used supplement for muscle building in the world. Creatine supplements are designed to increase your strength, strength endurance, muscle hypertrophy, increase your overall body mass, and improve muscular endurance. The most popular creatine forms are powder form and creatine citrate/HCl.