Buying & rules
Explore our buying & rules guides, find your starting point and follow the ingredients, products and questions that interest you.
4 articles.
Buying in the Netherlands and EU: check the product and the country
There is no single EU legal status for smartshop products. Five questions to check any product, plus dated Dutch and EU notes on truffles, kratom and more.
Supplements, herbs and medication: how to check a combination
Why 'natural' is not a safety category, the main ways interactions happen, sourced examples, a note on kratom, and what to bring to a pharmacist.
How to read a supplement label (and a lab certificate)
Portion first, then the nutrient amount, then the claims. Worked label examples, EU and Dutch label rules, and how to read a certificate of analysis.
How to evaluate supplements: an evidence-led guide
A reusable checklist for judging any supplement: need, evidence, product quality, EU and Dutch rules, safety with medicines and a decision record.
Buying & rules FAQ
What does buying & rules mean in this blog?
Explore our buying & rules guides, find your starting point and follow the ingredients, products and questions that interest you.
Are buying & rules 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.