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Older woman considers her daily supplement routine

Longevity Stack for Your 60s: A Practical Guide

What a longevity stack means in your 60s: the foundations first, then targeted additions such as NMN, TMG and berberine, with Dutch guidance and safety checks.

Longevity Stack for Your 60s: A Practical Guide

What a longevity stack means in your 60s: the foundations first, then targeted additions such as NMN, TMG and berberine, with Dutch guidance and safety checks.

Woman checking a supplement batch certificate

Supplement Certificate of Analysis: How to Read...

What a supplement certificate of analysis shows, how to read each column, and how to check that a COA matches your batch, with a Dutch buyer's checklist.

Supplement Certificate of Analysis: How to Read...

What a supplement certificate of analysis shows, how to read each column, and how to check that a COA matches your batch, with a Dutch buyer's checklist.

Vivetus resveratrol pack in a conservatory

Resveratrol and Autophagy: What the Research Shows

How resveratrol is studied for autophagy: the SIRT1, mTOR and TFEB pathways, cell and human evidence, typical doses, timing and safe use.

Resveratrol and Autophagy: What the Research Shows

How resveratrol is studied for autophagy: the SIRT1, mTOR and TFEB pathways, cell and human evidence, typical doses, timing and safe use.

Vivetus quercetin supplement in a breakfast nook

Quercetin half-life: how long it stays in your ...

Quercetin's half-life ranges from 3.5 to 28 hours in human studies. See why the figures differ, what metabolites do, and how this shapes daily use.

Quercetin half-life: how long it stays in your ...

Quercetin's half-life ranges from 3.5 to 28 hours in human studies. See why the figures differ, what metabolites do, and how this shapes daily use.

Woman exercising beside Vivetus NMN capsules

NMN and Exercise: What Human Studies Have Measured

What human trials report on NMN and exercise: endurance, recovery, strength, inflammation, doses and timing, and how to use NMN alongside training.

NMN and Exercise: What Human Studies Have Measured

What human trials report on NMN and exercise: endurance, recovery, strength, inflammation, doses and timing, and how to use NMN alongside training.

Fisetin supplement beside cell culture equipment

Fisetin and Longevity: What the Research Shows

Fisetin and longevity: what mouse studies, sheep data and early human trials show, which doses were tested, and how to approach safe use in the Netherlands.

Fisetin and Longevity: What the Research Shows

Fisetin and longevity: what mouse studies, sheep data and early human trials show, which doses were tested, and how to approach safe use in the Netherlands.