Concept Blog
Concept Blog
Discover the concepts behind FitLine products, NTC® technology and sports partnerships—based on scientific findings.
What is NTC®? FitLine’s Nutrient Transport Concept explained
NTC® stands for Nutrient Transport Concept—the core innovation behind every FitLine product. What that really means and what science says about it.
Why professional athletes choose FitLine: safety, quality, results
From the ATP Tour to national ice hockey and cycling teams—FitLine is the trusted nutrition partner in elite sport. Find out why.
FitLine Optimal Set: your complete daily nutrition routine
Basics, Activize, Restorate—three products, one daily system. What each product contains and how they work together.
FitLine vs Herbalife: a direct comparison of two nutrition leaders
Both FitLine and Herbalife are established names in the food supplement industry. Here is an objective comparison of their approaches, technology and certifications.
Energy supplements for athletes: caffeine, carbohydrates & performance science
Discover how energy supplements work, the role of caffeine and carbohydrates in sports performance, and how to optimise your pre-workout nutrition with FitLine.
Protein powder comparison: whey vs casein vs plant-based—which is best?
Compare the leading protein powder types: whey, casein and plant-based. Learn about amino acid profiles, absorption rates and which is best for your fitness goals.
Sports nutrition for muscle gain: the complete guide
Build your sports nutrition strategically: macronutrients, micronutrients and the right timing for training, muscle gain and recovery.
Magnesium for athletes: recognise deficiency, improve performance
Learn why magnesium is important for muscles and energy-yielding metabolism, how to assess your intake and which foods provide magnesium.
Cellular nutrition: the science of micronutrient absorption at cellular level
Understand how micronutrients are absorbed and transported, what bioavailability means and how to support your daily intake sensibly.
Post-workout recovery: the science of muscle repair and adaptation
Optimise your post-workout recovery with protein, carbohydrates, sleep, fluids and a practical evening routine.