Dietary fiber – are they the new proteins?

Dietary fiber is considered the "new protein": it promotes gut health, satiety, and well-being. Learn about the benefits, studies, and why dietary fiber is trending here.

Introduction: From Proteins to Dietary Fiber

For a long time, proteins were the undisputed stars of the nutrition industry. "High protein" was the buzzword on bars, shakes, and yogurts. But now dietary fiber is taking center stage. A growing number of studies show that it is just as important for health and well-being—if not more so. Could dietary fiber, then, be the "new proteins"?

Why fiber is essential

Dietary fiber is the indigestible component of plant-based foods – and that's precisely what makes it so valuable. Instead of just being "filler," it has numerous health benefits:

• Strengthening gut health: Dietary fiber has a prebiotic effect, serving as food for the good gut bacteria.

• Regulating blood sugar: By slowing down carbohydrate metabolism, blood sugar levels are stabilized – cravings decrease.

• Promotes satiety: Fiber fills the stomach and prolongs the feeling of fullness.

• Supporting the immune system: A healthy gut flora strengthens the immune system.

👉 According to the German Nutrition Society (DGE), adults should consume at least 30g of fiber per day – however, the reality is significantly lower. Source: DGE .

Protein vs. fiber: Where is the greater need?

• Proteins: In Europe, most people consume sufficient protein, sometimes even more than recommended.

• Dietary fiber: Around 70% of the population does not reach the daily recommendation of 30g. Source: DGE .

This means there is a real deficit in dietary fiber – and a huge potential that nutritional science, industry and consumers are increasingly recognizing.

Research findings: Why dietary fiber is so important

A large meta-analysis published in "The Lancet" (2019) shows that a high-fiber diet significantly reduces the risk of cardiovascular disease, type 2 diabetes, and certain types of cancer. Just 25–30 g of fiber per day is enough to significantly improve health . Source: Ökotest on the Lancet study .

The WHO also recommends a high-fiber diet for the prevention of lifestyle diseases.

Prebiotic fiber: The next food trend

Prebiotic fibers such as inulin or resistant dextrin are particularly interesting. These specifically promote beneficial gut bacteria and contribute to the formation of short-chain fatty acids – with positive effects on digestion, metabolism, and immune defense. Source: DGE .

Food innovations are already utilizing this potential:

• Snacks with extra fiber

• Functional drinks with inulin

• High-fiber bars as a healthy alternative to protein bars

Dietary fiber as a marketing booster

What was "high protein" a few years ago could soon be "high fiber." Because dietary fiber provides:

• Naturalness & Clean Eating

• Gut health & well-being

• Long-lasting energy

A trend that fits perfectly into current eating habits.

Conclusion: Dietary fiber – the proteins of tomorrow?

Proteins remain important – especially for muscle building and metabolism. But when it comes to health promotion and nutritional trends, dietary fiber could actually be the new protein.

👉 Those who already rely on a high-fiber diet today not only support their digestion, but also their long-term health – and at the same time follow one of the most exciting food trends of our time.