All GGR Guides

Discover vitamin D3 benefits, from supporting bone health and muscle recovery to boosting immunity and mood. Learn how to optimize your vitamin D intake.

Could icy water be the key to muscle recovery? Find out which chilly hydrotherapy option is best for you in our expert cold plunge vs ice bath breakdown.

Pondering spin bike vs exercise bike for your next cardio session? The machines may seem similar, but there are a few differences to consider. Learn more!

Our fitness experts explain the heart rate zones and how to maximize your training sessions using them.

Does red light therapy work? Here’s what the research has to say about this hot topic.

Thinking about trying water fasting? Before you dive in, discover what a registered dietitian wants you to know to stay safe and healthy.

What is hydrotherapy and how does it work? From saunas to cold plunges to ice packs, a certified personal trainer breaks down all the different types.

Statistics about obesity rates in America and the world broken up by age and gender.

Trying to follow a healthier lifestyle without breaking the bank? In this article, we’ll show you how to eat healthy on a budget.

Could laying on a bed of spikes help enhance blood flow, provide pain relief, and hasten your recovery? Find out in this deep dive on acupressure mat benefits.

Have you seen the ads for brands like MUD/WTR and wondered, "What is mushroom coffee?" Learn about its benefits, how it's made, and any potential drawbacks.

Wondering, "How many calories should I eat per day?" Get tailored advice from a dietitian here—because the 2,000-calorie guideline isn't one-size-fits-all.