sugar! The underestimated impact on your health and performance

April 9, 2026

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Sugar, friend or foe?

Sugar is everywhere today. In drinks, snacks, finished products and even in foods that seem healthy at first glance. Many people underestimate the influence sugar has on the body, performance and regeneration.

What happens in the body when you consume sugar?

Sugar gets into the blood quickly and causes blood sugar levels to rise rapidly. The body reacts to this by releasing insulin.

🧠 In the short term, there is:

- quick energy boost

- increased attention

But this effect doesn't last long.

The blood sugar then drops again! Often even below the initial level.

The episode:

- tiredness

- concentration problems

- cravings

👉 A classic energy crash.

Sugar and performance

Many turn to sugar when stressed or tired. The problem: This is precisely why performance deteriorates in the long term.

Regular high sugar consumption can lead to:

- unstable energy throughout the day

- lower concentration

- increased vulnerability to stress

- poorer sleep quality

For you, this can have a direct impact on decisions, productivity, and resilience.

Sugar and fat loss

An often underestimated point: Sugar directly influences fat burning.

As a result of the high increase in insulin:

- inhibits fat burning

- promotes the storage of fat

That means:
Even if you're working out, high sugar consumption can significantly slow down your progress.

“Hidden sugar” The real problem!

Many people think they eat “not that much sugar at all.” But most of it comes from hidden sources.

Typical examples:

- ready sauces

- yoghurts and “fitness products”

- Muesli and protein bars

- drinks (including smoothies)

💡 There is often more sugar in it than you expect.

Is sugar the same as sugar?

Chemically speaking, sugar is always a form of carbohydrate. But the difference lies in the processing and speed of recording.

- simple sugar → fast in the blood

- Complex carbohydrates → slow, stable energy flow

👉 Not only the amount is decisive, but also the effect in the body.

How can you reduce sugar?

A complete renunciation is often not realistic in everyday life — nor is it necessary. Conscious use is crucial.

Practical tips:

- choose drinks without sugar

- prefer unprocessed foods

- pay attention to ingredient lists

- Integrate protein and healthy fats

This combination stabilizes blood sugar and reduces cravings.

Sugar, Stress, and Your Nervous System

Sugar acts not only on the body, but also on the nervous system.

In the short term, it can have a calming effect. In the long term, however, it increases stress responses.

👉 The body gets into a kind of “energy rollercoaster”, which puts an additional load on the nervous system.

Conclusion! less sugar, more control!

Sugar is not an “enemy,” but it is a factor that you should understand and consciously control.

Anyone who reduces their sugar consumption benefits from:

- more stable energy

- better concentration

- more effective training

- more sustainable fat loss

👉 With M&G coaching We help you to optimally coordinate nutrition, training and regeneration — for greater performance and long-term health.