- All posts
- Autophagy
- Beauty
- Brain Health
- Energy
- Events
- Exercise
- Expert Guide
- Fasting
- Fertility
- Food-Derived Supplements
- Gray Hair
- Gut Health
- Hair Health
- Hallmarks Of Aging
- Hashimoto's Thyroiditis
- Heart Health
- Hormones
- How To Use
- Immunity
- Inflammation
- Ingredients
- Leslie Kenny
- Longevity Lifestyle
- Men's Health
- Menopause
- Mood
- News
- Nutrition
- Polyamines
- Quality & Testing
- Recipes
- Seasonal Eating
- Skin Health
- Sleep
- Spermidine
- Spermidine Benefits
- Studies
- Women's Health
Not All Maltodextrin Is Created Equal: What's Actually in Primeadine Original
If you've ever scanned a supplement label and paused at the word "maltodextrin," you're not alone. For the discerning, ingredient-conscious individual who knows their way around a nutrition panel, ...
Our Founder Leslie Kenny's Longevity Stack
There is no such thing as a miracle supplement. I say that as someone who has spent decades immersed in the science of aging, immunity, nutrition, and cellular health, and as someone who has liv...
Spermidine and Healthy Aging: Insights from a 2026 Nature Review
A recent scientific review, The Role of Spermidine in Plants and Humans: A Pathway from Climate Change Adaptation to Health Benefits [1], brings together a comprehensive overview of evidence from n...
As part of Grammy Week in Los Angeles, Oxford Healthspan offered a preview of our new Primeadine® GF Powder on February 1, through a custom Primeadine Longevity Shot, served during an invite-only c...
Primeadine GF Longevity Shot Recipe
In honor of Grammy Week, we’re sharing one of our go-to daily resets: the Primeadine GF Longevity Shot. Bright, invigorating, and refreshing, designed to give a longevity-forward boost. As a Gramm...
Spermidine Included in a Major New Clinical Study on Healthspan
A new clinical study now underway in the U.S. is testing whether a targeted combination of spermidine, exercise and anti-inflammatory medicines can increase healthspan along with lifespan.