Blog

What trials of caffeine with L-theanine measured, how much may be down to caffeine, one small esports trial, EFSA caffeine figures and label arithmetic.

Functional mushrooms and adaptogens

Oct 12, 2026

15 min read

Ashwagandha: the plant behind the stress and sleep claims

Ashwagandha for stress and sleep: what the trials tested, what 'adaptogen' means, liver and thyroid cautions, and Danish and Dutch rules (8 October 2026).

Smartshop exploration

Oct 12, 202617 min read

What Is Kratom? The Plant, the Evidence and the Dutch and EU Legal Position

Kratom explained: the plant and its alkaloids, what human research shows, dependence and interaction risks, and where it stands in Dutch and EU law.

Smartshop exploration

Oct 12, 202615 min read

Kratom Formats: What Powder, Capsules, Extracts and Gummies Labels Really Tell You

Powder, capsules, extracts, gummies and shots compared by what the label tells you: units, 7-OH, COAs, portions and marketing terms.

Editorial illustration of oats, yoghurt and varied plant foods; not a product efficacy comparison.

Gut Health

Oct 6, 202612 min read

Probiotics, prebiotics and postbiotics: what each term means

Probiotic, prebiotic, postbiotic and fermented food explained: the consensus definitions, where evidence exists, how to read a pack and who should ask first.

Conceptual illustration of mineral textures in three dishes beside a capsule; not a form-identification chart.

Wellness

Oct 6, 202611 min read

Magnesium forms: what's actually different?

One capsule: 893 mg of compound, 125 mg of magnesium. How forms differ in magnesium per gram, absorption and gut effects, and what labels only imply.

Editorial illustration of a magnifying glass examining a supplement label.

Wellness

Oct 6, 202613 min read

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.

Editorial illustration of a supplement bottle, checklist and magnifying glass.

Wellness

Oct 6, 20267 min read

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.

PreviousPage 3 of 3