Give your cells what they need to age well. Start with 90 days.
Primeadine® Original Whole-Food Spermidine Supplement – 90 Day Starter Pack
A whole-food spermidine supplement designed to support healthy aging, cellular renewal, and everyday vitality. Made from concentrated, glyphosate-free wheat germ extract, sourced in Japan.
- Earn loyalty stamps towards a free bottle
- Free shipping everytime
- Cancel or pause anytime
Description
Support healthy aging from within
Primeadine® Original is a premium, whole-food spermidine supplement made from concentrated, glyphosate-free wheat germ extract, carefully sourced in Japan.
It is designed to support the body’s natural cellular maintenance processes, which play an important role in how we age, feel, and function over time.
How it may support you
Customers often report:
• More consistent daily energy
• Improved sleep quality
• Greater mental clarity
• Healthier-looking skin and hair
These are everyday indicators of a body being supported from within.
What’s happening underneath
As we age, the body’s natural cellular processes gradually become less efficient.
Primeadine provides a food-derived source of spermidine, a compound that has been studied for its role in supporting cellular maintenance processes, including autophagy — the body’s natural “clean-up” system.
This approach is not about forcing change, but supporting the body’s own systems over time.
Ingredients
Each serving provides 1mg of whole-food spermidine from concentrated, glyphosate-free wheat germ extract, sourced in Japan.
We also defat our wheat germ to remove polyunsaturated fatty acids (PUFAs), helping to maintain stability and quality. When left in, they can go rancid and wreak havoc in your cells.
Other ingredients:
• Corn-derived cluster dextrin
• Hypromellose (vegan capsule)
• Sodium citrate
Allergens: Contains wheat (approx. 40mg gluten per serving — significantly less than a typical slice of bread).
Testing Results:
Certificate of analysis - toxins
Certificate of analysis - dose
Who's it for
Primeadine® Original is designed for those who want to:
- Support healthy aging proactively
- Maintain energy, clarity, and vitality
- Support skin and hair health from within
- Take a science-informed approach to long-term wellbeing
Suggested use
Dosage:
3 capsules daily with water, taken with your first or last meal.
First-time use:
Day 1: 1 capsule
Day 2: 2 capsules
Day 3 onwards: 3 capsules daily (if well tolerated)
Consistency is recommended for best results.
Important information
Not suitable for individuals with coeliac disease or gluten intolerance due to wheat content.
If unsure, consult your healthcare provider before use.
For a gluten-free alternative, see Primeadine® GF.
Free from
- Added fillers or unnecessary excipients
- Artificial flavors
- Soy, lactose, or sugar
- PUFAs (polyunsaturated fatty acids)
- Heavy metals, pesticides (including glyphosate), or other contaminants
Quality & testing
• Manufactured to Good Manufacturing Practice (GMP) standards
• Produced in FDA-registered facilities
• ISO-certified quality systems
• Third-party tested in Japan and the USA
• Screened for heavy metals, contaminants, and microbiological safety
Due to the natural origin of ingredients and absence of fillers, slight variations in color and density may occur between batches.
Testing Results:
Certificate of analysis - toxins
Certificate of analysis - dose
- Earn loyalty stamps towards a free bottle
- Free shipping everytime
- Cancel or pause anytime
What customers say after 90 days
Danielle V.
Clementine
Jeremy
Stephanie
Faye B.
Backed by Oxford science. Trusted by clinicians.
Our work is guided by an international network of scientific and clinical advisors, many of which are affiliated with the University of Oxford, across physiology, immunology, longevity science, and clinical nutrition.
This ensures our approach remains grounded in the latest research and scientific integrity, not hype and trends.
Professor Denis Noble (University of Oxford)
Emeritus Professor of Physiology and pioneer in systems biology.
Dr. Ghada Alsaleh (University of Oxford)
Researcher in immunology and autophagy, with a focus on aging and immune function.
Dr. Katja Simon (Max Delbrück Center, Berlin)
Leads research into autophagy in the immune system, including its role in cellular maintenance.
Dr. Sasi Senga (University of Oxford)
Neurosurgical oncologist and researcher focused on cancer biology.
Dr. Olivia Lesslar
Celebrity longevity doctor specializing in complex chronic conditions and integrative approaches to health.
Dr. Sandra Kaufmann
"Best in medicine" longevity doctor and researcher with a background in cellular biology and aging.
Dr. Paul Ch'en (University of Oxford)
University of Oxford college GP and co-founder of the Oxford Longevity Project, with interests in preventative and holistic care for cancer.
Amy Lamotte (Hong Kong)
Clinical nutritionist specializing in personalised nutrition and immune health.
Oxford Healthspan began with a personal search for answers.
After facing chronic illness and accelerated aging, Leslie Kenny turned to science, nutrition, and cellular health to rebuild her own wellbeing.
That journey became a mission. To create supplements that are grounded in research, made with integrity, and designed to support the body's ability to renew itself, not override it.
"Aging well should feel empowering. Primeadine is designed to support a new prime of life."
FAQs
Questions? We've got you covered
What is spermidine?
Spermidine is a naturally occurring compound known as a polyamine, found in every living cell. It plays a role in supporting the body’s natural cellular maintenance processes, including autophagy, which helps cells renew and function optimally.
While the body can produce spermidine, levels tend to decline with age.
What are the benefits of spermidine?
Spermidine has been studied for its role in supporting cellular health and healthy aging. Research suggests it may contribute to:
- Cellular renewal processes such as autophagy
- Cognitive and cardiovascular health
- Hair, skin, and nail health
- Energy, sleep quality, and overall wellbeing
Many of these effects are linked to its role in supporting the body’s natural maintenance pathways.
Individual experiences vary, but customers often report improvements in energy, sleep, and visible signs of vitality over time.
What is the best spermidine dose to take?
One serving provides 1 mg of food-derived spermidine, consistent with levels used in scientific research.
Individual needs vary. If unsure, consult your healthcare provider before adjusting your intake.
What makes Primeadine® superior to other spermidine supplements?
Primeadine® is built around quality, simplicity, and scientific integrity.
- Food-derived spermidine, not synthetically enriched
- Developed alongside scientific advisors, including researchers connected to Oxford
- Third-party tested for purity and potency in both Japan and the USA
- Ingredients sourced from Japan, known for rigorous quality standards
- Free from unnecessary fillers, flow agents, and additives
- Carefully tested for contaminants such as heavy metals and pesticides
Each batch is produced to ensure consistency, purity, and quality.
What's the difference between food-derived and synthetic spermidine?
The key difference lies in how spermidine is delivered and how the body may utilise it.
Food-derived spermidine
Occurs naturally within a whole-food matrix alongside related compounds, including other polyamines such as spermine and putrescine. These naturally co-occurring compounds are part of the body’s polyamine system and may support how spermidine is processed and utilised.
Synthetic spermidine
Is produced in isolation and does not come with this natural matrix. Research into long-term use in humans is still limited compared to food-derived sources.
Why this matters
In whole foods, nutrients exist within a complex structure that can influence absorption and biological activity. Food-derived spermidine reflects this natural context.
How long does it take to notice results?
Primeadine® works by supporting natural cellular processes, which take time.
While activity begins at a cellular level from the outset, many customers report noticing more meaningful changes after 3 to 6 months of consistent use.
Benefits tend to build gradually with daily use.
Results may vary from person to person. These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease.