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.
Comprehensive Cryotherapy and Nutrition Services in San Antonio, TX
Discover a new fitness level with JKFITNESS, your premier personal trainer in San Antonio, TX. Our dedicated team of professionals is here to guide you on your individualized fitness journey and offer tailored programs to meet your needs.
Custom Training Solutions
Yoga Training
Cryotherapy Services
Functional Nutrition Services
Crush your goals
Our knowledgeable and professional personal trainers are dedicated to pushing you to and through your fitness goals.
Feed your health
Our knowledgeable and professional personal trainers are dedicated to helping you meet and surpass your fitness goals.
Proven Results
- “Best of the City” Fitness Studio for 2018, 2019, 2020, 2021, 2023 & 2024 - SA Readers Choice
- “Top 5 Nationally” for 2016 Trailblazer of the Year honors
- SA Current Best Personal Trainer 2013
- “Top 9 Nationally” for 2010 Personal Fitness Professionals Trainer of the Year honors
- Founder and President, Julia Karlstad, has author 2 books: "Rx Fitness for Weight Loss" and "Bariatric Fitness"
- All Wellness Professionals are degreed, certified and experienced
- JKFITNESS is independently woman and veteran-owned
Upcoming Events
Follow us:
Rock solid wall
The JKFITNESS Rock Solid Club was created to recognize and celebrate significant health and fitness accomplishments of JKFITNESS clients! In order to be inducted into the club, you have to be nominated by one of the JKFITNESS staff and then selected with a unanimous agreement from all staff.
