Jennifer Lopez, at 56, showcases how building muscle post-50 combats age-related muscle loss, keeping her youthful and energetic. Her rigorous training, blending weight circuits and core work, alongside a high-protein diet, fuels her vitality. Jennifer Lopez, at 56, showcases how building muscle post-50 combats age-related muscle loss, keeping her youthful and energetic. Her rigorous training, blending weight circuits and core work, alongside a high-protein diet, fuels her vitality.
