Spermidine and Cancer Research: What the Evidence Actually Shows
A balanced look at spermidine cancer research—covering autophagy, dietary polyamine studies, and honest limits of current evidence.
Spermidine and Bone Health: Osteoblast Activity, Osteoclast Suppression, and Age-Related Bone Loss
Explore the emerging preclinical science on spermidine and bone health, including osteoblast support, osteoclast suppression, and iron overload pathways.
Spermidine and Blood Pressure: Unpacking the Pilot Human Data on Hypertension
What small human trials reveal about spermidine, arterial stiffness, and blood pressure in hypertension—and what questions remain unanswered.
Spermidine Bioavailability: What the Evidence Says About Oral Absorption and Metabolism
How well does oral spermidine absorb? An evidence-based look at gut transport, bile acid interactions, formulation effects, and what small human trials suggest.
Spermidine for Athletes: What Research Says About Recovery, Muscle Protein Turnover, and Exercise
An evidence-based look at how spermidine, a natural polyamine, may support muscle recovery, protein turnover, and exercise adaptation in active adults.
Primeadine Review: Oxford Healthspan’s Wheat Germ Spermidine Supplement Examined
An honest, evidence-informed look at Primeadine by Oxford Healthspan — what spermidine is, how it works, what the research shows, and what to realistically expe
Polyamines 101: Understanding Putrescine, Spermidine, and Spermine
Learn how the three main polyamines—putrescine, spermidine, and spermine—work in the body, why they decline with age, and where spermidine fits in longevity res
How Spermidine Triggers Autophagy: The Cellular Mechanism Explained
Spermidine induces autophagy primarily by inhibiting the acetyltransferase EP300. Here is what the research actually shows about how this works.
Best Spermidine Supplements of 2025: Ranked by Dose, Purity, and Evidence
A frank, evidence-informed guide to choosing a spermidine supplement in 2025—what to look for in dose, source, and third-party testing.
Spermidine vs. Urolithin A: Two Natural Autophagy Inducers Compared
Spermidine and Urolithin A both induce autophagy—but via different pathways. An evidence-based comparison of two popular cellular health compounds.