WE TURNED 17 LAST WEEK & THIS WEEK WE’RE HAVING A PARTY!!

Come out and celebrate this Saturday (7/19) from 9am – 12pm at  JKFITNESS: 17006 San Pedro, SanAntonio, TX 78232! Did you know that JKFITNESS was named after Julia Karlstad, “JK” the Founder & President,that’s also what her basketball teammates called her at the United States Air Force Academy.Here’s her story of how JKFITNESS all began …

JKFITNESS Customer Spotlight: From Paper Charts to 500+ Appointment Hours a Month

JKFITNESS Customer Spotlight: From Paper Charts to 500+ Appointment Hours a Month Ever wondered how we manage to deliver such personalized, seamless service across our growing team of wellness specialists? We’re excited to share our story with you! DaySmart Appointments recently featured JKFITNESS in a customer spotlight, highlighting how we’ve grown from a one-woman operation …

Try This Nutrition Strategy to Curb Cravings and Lose Weight

By Michelle Baglio, MS, RDN Dietitian, JKFITNESS, LLC If your health goals include losing weight, you may think that the solution lies in skipping meals or eating as few calories as possible.  Habits like these usually cause abrupt changes in your energy levels and/or a craving for something sugary like flavored coffee drinks, donuts in …

Our Team | JK Fitness Staff

Julia Karlstad, M.Ed., NSCA-CSCS, ISSA-SFN Founder & President, JKFITNESS, LLC San Antonio Location I’m Julia Karlstad and I am the President and Founder of JKFITNESS, LLC. I have worked in the fitness industry and specifically the medical wellness community for several years. I hold over fourteen years of experience developing, implementing and directing exercise, education …

Home | JK Fitness San Antonio

My body is strong, so is my will JULIA KARLSTAD, M.ED., CSCS Our degreed, experienced and passionate personal trainers will get you in the best shape of your life. We are committed to helping you achieve your health, fitness and nutritional goals. Book an appointment Get More Info individualized semi-private personal training and Nutrition Services …

Kickstart Your 2025 Health Journey with San Antonio’s Premier Personal Training Studio

As we embrace the fresh start of 2025, JKFITNESS, San Antonio’s leading personal training studio, invites you to transform your health and fitness journey with our exclusive “Kickin’ Bad Habits” boot camp. This special event, taking place this Saturday, January 11th, at 10 AM, combines an invigorating group fitness session with expert nutrition guidance to …