Metabolism Blog

Practical articles on metabolism, nutrition, sleep and daily habits from the NaturalSlim Europe team. New articles every Monday and Thursday.

All posts

July 28, 2026

Intermittent Fasting: What It Really Is and How to Do It Sensibly

What intermittent fasting really is, how to do it sensibly, and where it fits in a lifestyle that cares for your metabolism. Balanced, no hype, not for everyone.

July 24, 2026

How Belly Fat Is Created (and How to Start Reducing It)

Belly fat comes from excess glucose and insulin. Understand the mechanism and how the 3x1 Diet® of the NaturalSlim® System helps you reduce it.

July 21, 2026

Excited or passive metabolism? Get to know your nervous system

Your nervous system has two sides: excited and passive. Discover which one dominates in you and why it changes the way of eating that suits you.

July 17, 2026

The 3x1® and 2x1® Diet: the simple method for eating without bans

What the 3x1® and 2x1® Diet are, Type A and Type E foods, and how to organise your plate without bans. A simple lifestyle, not one more diet.

July 14, 2026

How to build muscle: Frank Suárez on anabolism, the nervous system and the 2x1 way of eating

Building muscle isn't just training more. Frank Suárez explained it through anabolism, your nervous-system type and the 2x1 way of eating. Here's the clear version.

July 10, 2026

Why Is My Hair Falling Out? A Look at Nutrition and Your Metabolism

Hair shedding is often more normal than you fear. A calm, nutrition-first look at what your hair really needs, and the role of zinc, selenium and biotin.