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How Kim Kardashian stays fit at 45: Workout routine, diet & lifestyle secrets |

Sandy Verma | December 4, 2025 11:25 AM CST

At 45, Kim Kardashian continues to capture headlines not just for her business ventures or style, but for her fitness and toned physique. While many celebrities rely on extreme diets or trend-driven workouts, Kim’s approach appears to be more measured, and disciplined. Fans and media alike are curious about the routines, habits, and mindset that allow her to maintain her form year after year. Yet, despite numerous interviews and glimpses into her lifestyle, the specifics of her daily fitness regimen remain a carefully guarded secret, leaving admirers intrigued and inspired. Here’s what we know about Kim Kardashian’s secret to staying fit at 45.

Kim’s foundation: Strength trainingIn an interview with Hola, Kim described herself as a “big weightlifter”, and emphasized her fitness routine is built on weight training. Kim’s sessions focus on strength, tone, and functional fitness. To her, this approach allows not only to maintain physique but also provides support to posture, manage past back issues, and stay injury-free.

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Pilates and flexibility Pilates complements kIm’s strength focus and prevents overtraining, a key consideration for long-term wellness. Alongside weight training, she incorporates Pilates into her weekly schedule. This practice helps with flexibility, spinal health, and overall mobility, ensuring that her body remains balanced even with intense strength routines.

Kim Kardashian’s approach to diet In 2021, Kim shared a picture and announced she’s beginning the year with a plant-based diet. In an interview with Vogue, Kim said she’s in the best shape of her life following a plant-based diet and early morning workouts.Also, sometimes Kim Kardashian shares her breakfast bowls on her Instagram, which often includes fruits and oatmeals. Kim’s fitness approach after childbirthKim Kardashian has also been open about how she approached her fitness and diet after giving birth to her children. Her trainers have mentioned that she prioritized core strengthening, functional movements, and controlled weight training to regain tone while protecting her body from injury. Kim has credited this mindful, gradual approach for helping her bounce back safely and sustainably after childbirth.In essence, Kim Kardashian demonstrates that maintaining a toned and healthy physique is a matter of discipline, balance, and long-term planning.