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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.

Wellness

Oct 12, 2026

6 min read

Longevity: mechanisms versus human outcomes

A longevity supplement label describes a mechanism, not an outcome. How to read the hallmarks of ageing, what human trials show, and the safety basics.

Algae and gut basics

Oct 12, 202611 min read

Omega-3: EPA, DHA, fish and algae

Two bottles, two front labels, no answer. How to read EPA and DHA, what fish, krill and algae oils differ in, and what trials show outcome by outcome.

Algae and gut basics

Oct 12, 202611 min read

Astaxanthin: what the research shows and what it doesn't

The red algae carotenoid, outcome by outcome: skin, exercise, eyes, cognition and markers, with doses, funding, EU limits and how to read a label.

Fitness and nutrients

Oct 12, 202617 min read

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.

Fitness and nutrients

Oct 12, 202613 min read

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.

Longevity

Oct 12, 202612 min read

Resveratrol: the ingredient behind the headlines

Where the resveratrol headlines came from, what mice and people actually showed, and what to check on a label.

Longevity

Oct 12, 202612 min read

NMN and NAD: understand the relationship

NAD+, NMN, NR and niacin explained: what human trials found, trial doses versus EU limits, EU and FDA status and what is known about IV NAD+.

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