Nutrients

If you want to stay fit beyond 60, you should regularly consume foods rich in flavonoids, such as berries, apples, or black tea.

Research If you want to stay fit at 60, you should focus on berries and black tea.

Research shows that flavonoids from berries and tea help promote healthy aging. Even small changes in your diet can make a difference.

Smoothies are considered healthy and quick to prepare. But how filling are they as a complete meal?

Nutrients, Satiety Can a Smoothie Replace Breakfast?

How filling is a smoothie? FITBOOK exhibits the key factors that determine its suitability as a breakfast or a meal.

Can Muesli Be on the Breakfast Table Every Day?

What Matters Most How Healthy Is Muesli for Breakfast Really?

Muesli is considered a healthy breakfast. However, hidden sugars in pre-made mixes raise questions. What's behind this?

Comparison Is Sea Salt Better Than Regular Table Salt?

Sea salt has a reputation for being more natural and nutrient-rich–but is table salt really worse? FITBOOK makes the comparison.

Research on the Fitness Trend Effect of Honey on Training and Recovery

On social media, honey is being hailed as a secret tip for workouts and recovery. FITBOOK has investigated what truly lies behind this claim.

Nutrition Expert Explains The Health Benefits of the Underrated Garden Herb Goutweed

Weed or Superfood? Our nutrition expert reveals which nutrients make ground elder so healthy—and whether it can be used as a medicinal herb.

Nutritional Values Compared Are Sweet Potatoes Healthier Than Regular Potatoes?

Sweet potatoes or potatoes: which is healthier? FITBOOK compared the nutritional values of both tubers and consulted with an expert.

Nutrition Expert Reveals It Bone Broth: Health Booster or Overhyped Trend?

From waste to superfood: what's in bone broth and how healthy is it? Nutrition experts explain.

Not Just Vegans Affected Symptoms of Vitamin B12 Deficiency and How to Address Them

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.

Expert Reveals Should You Take Magnesium Before or After Exercise?

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

Fish, liver, beans, bread, etc., on a table

Nutrition Expert Explains Copper: Functions, Requirements, and Sources of the Trace Element

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

Overview What Are the Different Forms of Magnesium and How Do They Work?

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

Mineral Check Magnesium L-Threonate–A Natural Performance Booster?

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

Nutrition Expert Explains Why Salmon Helps with Weight Loss

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

Colorful Superfood What Are Phytochemicals and Why Are They So Healthy?

Secondary plant substances give fruit and vegetables their characteristic color. Our health also benefits from these little helpers.

Eating grapes is said to be good for your muscles

Study The Effect of Grapes on the Muscles

The results of a study suggest that the consumption of grapes could have a long-term positive influence on muscle maintenance.

Expert Clarifies The Birth Control Pill Increases the Need for These 5 Nutrients

The birth control pill is also known as a "vitamin thief." Here's which nutrients are affected and how you can prevent a deficiency.

Potatoes are figure-friendly tubers—if prepared correctly.

Lose Fewer Vitamins! The Healthiest Way to Prepare Potatoes

Healthy Holiday Preparation: Less Fat, More Vitamins–How to Keep Potatoes Light for Christmas

Young people sometimes experience nutrient deficiencies regardless of their diet, according to a study in Sweden.

"Highway to Health: A Study Overview" Regardless of Diet! Study Finds Nutrient Deficiencies in Many Young People

Study among young Swedes shows: Nutrient deficiencies occur in diets—especially deficits in vitamin D and selenium.

Brown Rice, Wild Rice, Basmati Which Type of Rice Is the Healthiest?

White rice, brown rice, wild rice, black rice—which rice is the healthiest? A look at studies and nutritional values.

Super Pop, Pop'it, Fizi How Healthy Are Functional Sodas? Nutrition Expert Evaluates Trendy Drink

Have you ever noticed functional sodas in the supermarket? A nutrition expert explains what's behind them.

Nutrition What Whole Grain Means and What to Look for When Buying Bread

Whole-grain bread is familiar to everyone, but what does it really mean? And why is it so much healthier than white bread?

FITBOOK Makes the Comparison Blood, Hair–These Vitamin Self-Tests Are Useless

If you just want to check your vitamin levels, at-home self-tests can save you a trip to the doctor. But how reliable are they?

What the Nutrition Expert Says Is Porridge Healthier Than Oatmeal With Milk?

Is Porridge Healthier Than Oatmeal With Milk, or Does It Make No Difference? FITBOOK Nutrition Expert Explains.

Tips from FITBOOK Editor In 15 Minutes! These 5 Nutrient-Rich Air Fryer Recipes Will Save Your Dinner

FITBOOK Editor Presents Five Nutrient-Rich Air Fryer Recipes That Are Quick and Truly Filling

Nutrients Hearty, Tender, or Instant! Comparing Types of Oatmeal

FITBOOK explains the differences and various uses of rolled, quick, and instant oats.

Expert Tips 3 Methods to Preserve Vitamins While Cooking

Vegetables are packed with vitamins, provided they are not destroyed during cooking. Here are methods to preserve vitamins when cooking.

Expert Weighs In An Overlooked Fish Species That Is Extremely Healthy

Leave the salmon to one side: nutrition expert Prof. Dr. Nicolai Worm explains why mackerel is even more healthy.

Harvard study 60 percent of the world's population is deficient in 4 important nutrients

According to a Harvard study, a serious nutrient deficiency of four vitamins and minerals affects the entire world population.