Fitness and nutrients
4 articles.
Vitamin D in the Netherlands and Europe: Who Is Advised to Supplement and What the Numbers Mean
Dutch and EU vitamin D advice by group, EFSA's upper limit, D2 vs D3, and what blood-test levels mean according to named guidelines.
Protein and collagen: what are you actually buying?
Protein norms, whey versus plant, and what collagen trials show for skin, joints and tendons, with funding noted and Dutch guidance for when a tub isn't needed.
Electrolytes: what is in the mix?
Do you need to put the salt back? Sodium, potassium, magnesium and chloride explained, the overdrinking risk, and a worked label example.
Creatine: strength, running and the actual question
Which kinds of effort creatine helps, what the evidence says about running and endurance, and where the kidney, hair and focus questions stand.
Fitness and nutrients FAQ
What does fitness and nutrients mean in this blog?
This category groups educational content related to fitness and nutrients supplements, use-cases, and safety considerations.
Are fitness and nutrients articles beginner-friendly?
Yes. We include practical explainers and balanced context so beginners can understand the basics before exploring deeper guides.
Does this content replace professional advice?
No. The content is informational only and should not be used as a substitute for professional medical advice.