BioFit STL

BioFit St. Louis is a private personal training studio in Richmond Heights, MO, serving Clayton, Ladue, Brentwood, Webster Groves, Kirkwood, Frontenac, and St. Louis. Using ARX adaptive resistance technology, certified coaches deliver a complete strength workout in just 20 minutes, twice a week — no crowded gyms, no guesswork. Ideal for busy professionals and adults seeking safe, injury-friendly strength training and measurable results without long gym hours. Every session is one-on-one, tracking your exact strength output in real time. Backed by ACE-commissioned research showing results equal to or better than traditional training in a third of the time. 150+ active members, 5.0 stars from 95+ reviews. Book your free session today.