Nutrition

Cookbook author Stefano Zarrella reveals what he values most in terms of nutrition and fitness—and what his most important supplement is.

Maltitol is a sugar alcohol used as a sweetener. Calories, benefits, and side effects.

Ideal for weight loss, athletes, and diabetes management–that's the promise of Matthias Steiner's low-carb products. But what's really inside?

In the world's five "Blue Zones," people live exceptionally long lives—what drinking habits do centenarians have?

Nonalcoholic beer is often considered healthy and low in calories. But does it actually aid in weight loss? An overview of studies and facts.

How healthy is tap water compared to mineral water? FITBOOK provides an overview of minerals, contaminants, and taste.

Olympic champion Matthias Steiner revealed to FITBOOK at the OMR how he lost 50 kilograms after ending his weightlifting career.

A vitamin B12 deficiency can go unnoticed for a long time. Learn about the signs to watch for and how you can improve your intake.

There are now numerous alternatives to traditional coffee. FITBOOK explains why lupine coffee made from sweet lupines is impressive.

Magnesium is one of the most important minerals—but how and when should you take it? An expert provides answers.

Make Your Own Supplements at Home? It's Possible! FITBOOK Nutrition Expert Shares 3 Recipes.

Artificial sweeteners are convenient for cutting calories—but a study says their effects may be more far-reaching than previously assumed.

Study shows link between high UPF consumption and excess fat in muscles, potentially affecting joints and health.

A nutrition expert reveals why copper is important, the doses at which it can harm health, and which foods contain it.

New evidence from Canada on long-discussed link: The protective effect of whole milk could be even greater.

Poor sleep or cramps after exercising? Magnesium can help—and it's most effective in the right form.

A new supplement shows promising effects: Magnesium L-threonate appears to be a brain booster.

Losing weight with air fryer meals? How low-fat the preparation is and whether it really aids in weight loss.

Depending on what you eat after training, you can either inhibit or promote muscle building - our snack inspiration for you.

78 studies compared: only collagen and whey significantly improved strength and muscle. But which protein truly leads?

Asparagus in the Air Fryer: Quick and Easy Recipes for the Season

Salmon is a fatty fish—yet it can help with weight loss. A nutrition expert explains why.

Germans love white asparagus and attribute various health benefits to it, but is that true, and how does the green variety compare?

Anti-aging from the kitchen: Nutrition expert Karolin Kotke shares her longevity smoothie recipe.

To stop the shell from cracking, a hole is usually poked in the egg before boiling. However, it's best to skip this step with Easter eggs.

Trying Easter dishes in an air fryer? Four ideas plus an honest assessment of taste, effort, and execution.

Digestibility, Nutrients, and Calorie Content–FITBOOK Reveals the Healthiest Way to Prepare Eggs