Spermidine vs. Rapamycin: Comparing Two Autophagy Activators for Healthspan
Spermidine and rapamycin both activate autophagy via mTOR pathways, but their safety profiles differ sharply. An evidence-based comparison.
Spermidine Supplement Brands Compared: Dose, Source, and Cost Per Mg
Compare leading spermidine supplement brands by dose, source material, and cost per mg to find the best value for your longevity routine.
Spermidine During Pregnancy and Breastfeeding: What the Evidence Actually Shows
Spermidine is naturally present throughout pregnancy, but is supplementing safe? An honest look at what science does and doesn’t tell us.
Spermidine and Liver Health: Autophagy, NAFLD, and Hepatoprotection
Explore what the research says about spermidine and liver health, including its proposed roles in NAFLD, autophagy, lipid metabolism, and ferroptosis protection
Spermidine and Immune Aging: What the Evidence Says About Immunosenescence
Can spermidine slow immune aging? An evidence-based look at how this natural polyamine may support T cells, B cells, and vaccine responses in older adults.
Spermidine Benefits: What the Research Actually Shows (2026)
Preclinical studies have demonstrated spermidine’s ability to cross the blood-brain barrier and induce autophagy in neuronal cells. In various animal
Spermidine Drug Interactions: What to Know Before You Stack
Spermidine shares metabolic pathways with MAO inhibitors, immunosuppressants, and cancer drugs. Here’s what the evidence shows before combining.
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 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.
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.