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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, 2026

11 min read

Spirulina and chlorella: what is the difference?

A 2 g serving of a 65% protein powder holds about 1.3 g of protein. Then: a cyanobacterium versus a green alga, the evidence, safety and EU status.

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

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.

Fitness and nutrients

Oct 12, 202614 min read

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.

Longevity

Oct 12, 202612 min read

Spermidine: why the longevity interest?

Spermidine's autophagy story, what food studies and supplement trials found, food versus capsule, safety and EU rules.

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