Blog Nutriop Longevity

SPERMIDINE, IN NUMBERS — A Tenth of a Diet: Twenty years of Alpine food records, one famous trial, and the dose question behind spermidine. Whole-grain bread, a halved apple and pear, sprouts and potatoes on an oak table by a window over Alpine meadows.

A Tenth of a Diet: What Twenty Years of Alpine Food Records Linked to Spermidine, and Why the Best-Known Trial Gave So Little

Twenty years of food records from one Alpine town linked spermidine-rich eating to longer survival. Then the best-known supplement trial gave about a tenth of what people already eat. Here...

A Tenth of a Diet: What Twenty Years of Alpine Food Records Linked to Spermidine, and Why the Best-Known Trial Gave So Little

Twenty years of food records from one Alpine town linked spermidine-rich eating to longer survival. Then the best-known supplement trial gave about a tenth of what people already eat. Here...

MENOPAUSE, MEASURED — The Two-Year Window: What a long resveratrol trial measured in women after menopause, and the curcumin pilot that followed. A tall window at dawn with rose-plum light, a grape vine and a turmeric root.

The Two-Year Window: What a Long Resveratrol Trial Measured in Women After Menopause (And the Curcumin Pilot That Followed)

In a two-year crossover trial, 125 women after menopause each spent a year on resveratrol and a year on placebo. Here is what changed, who gained most, how the women...

The Two-Year Window: What a Long Resveratrol Trial Measured in Women After Menopause (And the Curcumin Pilot That Followed)

In a two-year crossover trial, 125 women after menopause each spent a year on resveratrol and a year on placebo. Here is what changed, who gained most, how the women...

NMN, FOLLOWED — The Detour Through Your Gut: What a 2026 head-to-head trial revealed about how NMN really reaches your blood. A white capsule whose glowing teal path winds through tiny gut microbes before reaching a ruby-red blood vessel.

The Detour Through Your Gut: What a 2026 Head-to-Head Trial Revealed About How NMN Reaches Your Blood

In a 2026 head-to-head trial, NMN and NR roughly doubled blood NAD+ in two weeks while the simplest form of vitamin B3 did not. Follow the footprints that suggest much...

The Detour Through Your Gut: What a 2026 Head-to-Head Trial Revealed About How NMN Reaches Your Blood

In a 2026 head-to-head trial, NMN and NR roughly doubled blood NAD+ in two weeks while the simplest form of vitamin B3 did not. Follow the footprints that suggest much...

PTEROSTILBENE, READ CAREFULLY — The Side Effect They Published: What one careful trial found in the bloodwork, and why the partner compound mattered. Two capped tubes of pale plasma in a glass rack with blueberries and dark grapes on ivory linen.

The Side Effect They Published: What a Careful Pterostilbene Trial Found in the Bloodwork, and Why the Partner Compound Mattered

In an 80-person trial, pterostilbene lowered blood pressure at the higher dose but raised LDL when taken on its own. In the arm that paired it with a grape extract,...

The Side Effect They Published: What a Careful Pterostilbene Trial Found in the Bloodwork, and Why the Partner Compound Mattered

In an 80-person trial, pterostilbene lowered blood pressure at the higher dose but raised LDL when taken on its own. In the arm that paired it with a grape extract,...

ALPHA-KETOGLUTARATE, EXAMINED — The Eight-Year Question: One bold claim about biological age, the mouse data behind it, and the trial built to test it. A small brass balance on graphite with a single citrine-yellow bead, lit by warm side light.

The Eight-Year Question: What Alpha-Ketoglutarate Did for Ageing Mice, What One Human Study Claimed, and the Trial Built to Test It

In 2021, 42 people on an AKG formula measured eight years younger on a DNA test, but nobody took a placebo. Discover what alpha-ketoglutarate did for ageing mice, why that...

The Eight-Year Question: What Alpha-Ketoglutarate Did for Ageing Mice, What One Human Study Claimed, and the Trial Built to Test It

In 2021, 42 people on an AKG formula measured eight years younger on a DNA test, but nobody took a placebo. Discover what alpha-ketoglutarate did for ageing mice, why that...

VASCULAR AGEING — The Lining That Ages: What one layer of cells says about your arteries, and what polyphenol trials found. A translucent glass artery cross-section whose thin inner lining glows ruby against midnight blue.

The Lining That Ages: What One Layer of Cells Says About Your Arteries (And What Polyphenol Trials Found)

Arteries age from the inside, starting with a single layer of cells and the nitric oxide it makes. Discover how flow-mediated dilation measures that lining, how it changes with age,...

The Lining That Ages: What One Layer of Cells Says About Your Arteries (And What Polyphenol Trials Found)

Arteries age from the inside, starting with a single layer of cells and the nitric oxide it makes. Discover how flow-mediated dilation measures that lining, how it changes with age,...

HEALTHY BRAIN AGEING — The Memory That Fades First: Why where-and-when slips before what-you-know, and what trials in healthy older adults found. An open wooden card-catalogue drawer with crisp index cards while old photographs drift away and fade.

The Memory That Fades First: Why Where-and-When Slips Before What-You-Know (And What Trials in Healthy Older Adults Found)

Your vocabulary may still be growing, yet remembering where you parked this morning gets harder. Discover why episodic memory fades before knowledge, what 12-week trials of citicoline and bacopa found...

The Memory That Fades First: Why Where-and-When Slips Before What-You-Know (And What Trials in Healthy Older Adults Found)

Your vocabulary may still be growing, yet remembering where you parked this morning gets harder. Discover why episodic memory fades before knowledge, what 12-week trials of citicoline and bacopa found...