Paul Kriegler

Don’t just “do cardio.” Transform your conditioning program by doing the right amount and intensity to drive results.

Wondering how to optimize your pre- and post-workout nutrition strategies? Hear from a Life Time dietitian about the most important things to consider.

Training for a 5K can be a great way to achieve and maintain higher levels of fitness, endurance, and strength — whether you’re a runner or not.

A Life Time dietitian looks at the impact N-acetylcysteine can have in our health.

What are the best gut-health supplements? How do they support digestive function? Why does gut health even matter? Let’s find out.

All calories are not created equal. We take a close look at the factors that set them apart — and how they influence your health.

Don’t get confused with which supplements to take for weight loss — Life Time Training explains why multivitamins, fish oil, and protein are top choices.

The coronavirus crisis is extremely concerning, but there is a healthier way to understand it and what you can do to help overcome the pandemic.

If you’re not feeling well or are fighting off an illness, you may need to temporarily shift your exercise plan.

How do you build a strong immune system? How do healthy people stay healthy when others don’t? Find out in our ultimate guide to your immune system.