FA is a polish company with its headquarters in Otomin, near Gdansk. The brand is known for its cooperation with Kevin Levron who promotes the line “Fitness Authority”. FA’s products are divided into categories: fat burners, mass weight, endurance, martial arts, fitness and cycling. The company sells gels, bars, whey proteins, vitamin complexes, boosters, creatin and amino acids in a form of shots and powders. On top of that the company has a clothing collection both for men and women called FA Sportswear. It’s worth mentioning that the brand’s prices are very reasonable.