N-aminoiminomethyl-N-methylglycine
Most researched supplement for muscle strength and performance. Naturally found in muscle cells, helps produce energy for exercise and physical activity.
First discovered in 1832 by Michel Eugène Chevreul. Became widely used as a supplement in the 1990s after the Olympics, where many medal winners were reported to use it.
Origin: Synthesized compound, naturally found in red meat and fish