About six months ago, I found myself diving deep into the world of longevity supplements after hearing David Sinclair on a podcast talking about cellular autophagy.
Like many, I was intrigued when he mentioned spermidine as a potential game-changer for healthy aging and cellular renewal.
Being both skeptical and curious (and admittedly a bit of a biohacker), I decided to conduct my own personal experiment with spermidine.
I ended up testing four leading brands over six months, meticulously tracking everything from my cognitive performance and workout recovery to sleep quality and even skin appearance.
What I discovered might surprise you – it certainly surprised me.
Why I Started Taking Spermidine in the First Place

As I hit my mid-40s, I noticed some changes that concerned me:
- My post-workout recovery time seemed to be getting longer
- I occasionally experienced that frustrating “brain fog” during important meetings
- Fine lines were appearing more frequently when I looked in the mirror
- My energy levels weren’t what they used to be
I had already optimized my diet, sleep, and exercise routine, so I started researching what else could help maintain my cellular health as I age. That’s when spermidine kept appearing in my research.
What Science Says About Spermidine
Before spending my money, I spent weeks researching studies from Cell, Nature, and other peer-reviewed journals. Here’s what I learned:
- Potential benefits for skin elasticity and appearance
- Spermidine activates a process called autophagy – essentially your body’s cellular cleanup and recycling system
- This cleanup process naturally declines as we age (explaining a lot of age-related issues)
Proper supplementation can support:
- Enhanced cellular repair and renewal
- Improved cognitive function and brain health
- Faster athletic recovery
- Cardiovascular support
My Testing Methodology: How I Separated Fact from B.S.
To make my comparison fair, I created a consistent evaluation system:
Morning cognitive tests: Simple memory and reaction time assessments

Recovery tracking: Measuring soreness and performance after identical workouts

Sleep quality: Using my Oura ring to track deep sleep percentages

Blood markers: I got bloodwork done at the beginning and end of testing each product

Daily journaling: Noting energy levels, mood, digestion, and other subjective factors
I also researched each product’s:
- Extraction method and standardization
- Third-party testing protocols
- Dosage accuracy
- Clean ingredient profile
Three Surprising Truths I Discovered About Spermidine Supplements
1. Standardization makes or breaks results
The difference between standardized and non-standardized extracts was night and day. Products using properly standardized wheat germ extract (with verified 1% spermidine content) consistently outperformed others in my testing. When I switched from a non-standardized product to a standardized one, I noticed improved mental clarity within just two weeks.
2. The optimal dose is backed by science
After testing various dosages, I found that approximately 10mg daily (the amount used in clinical research) was indeed the sweet spot. When I experimented with doubling the dose with one product, I experienced no additional benefits – just wasted money. When I tried less than 10mg, the effects seemed diminished.
3. Consistency unlocks the benefits
This isn’t a quick-fix supplement. My most significant improvements in cognitive function, recovery time, and even skin appearance came after 3+ months of daily use. The cellular renewal process seems to build over time, with compounding benefits the longer you stay consistent.

My Experience With Each Brand (Detailed Results)
1. OMRE Spermidine

Testing period: Months 1-2 and 5-6 (4 months total)
My experience: By week 6, I noticed my recovery time after heavy lifting sessions had decreased by about 30%. By month 2, my deep sleep percentage increased by 12% according to my Oura ring data. Most surprisingly, colleagues started commenting that I “looked refreshed” even during our busiest quarter.
When I switched to another brand for months 3-4, I noticed the benefits gradually diminishing. After returning to OMRE for months 5-6, the benefits returned, confirming my initial results weren’t placebo.
What stood out:
- Pharmaceutical-grade standardized extract (verified 1% spermidine)
- Precise 10mg daily dosing aligned perfectly with clinical research
- Third-party testing certificates readily available (I actually called and verified)
- Clean formulation without unnecessary fillers or additives
- Manufactured in an FDA-registered facility with rigorous quality control
- 30-day money-back guarantee (though I never needed to use it)
What could be better:
- Premium pricing (though justified by the quality)
- Occasionally out of stock due to high demand (I now subscribe to avoid this)
My rating: 4.9/5 – This became my gold standard and what I continue to take daily
Editor’s Note: Due to recent media coverage, Omre products runs out of stock quite often.
2: Prime Powders Spermidine

Testing period: Weeks 9-12
My experience: The transition from OMRE to Prime Powders was noticeable – not immediately, but after about two weeks. My morning cognitive test scores remained stable, but my recovery time extended by about 15%. Sleep quality remained similar, though my energy levels seemed slightly less consistent.
What stood out:
- Claims 99% pure spermidine (though I couldn’t verify this independently)
- Gluten-free formulation
- Made in USA
- Good value proposition
- Non-GMO ingredients
- 120 capsules per bottle (good supply)
What could be better:
- Marketing claims needed more substantiation
- Limited information about third-party testing
- Results were less consistent in my testing
My rating: 4.2/5 – A solid alternative if budget is a primary concern
3: Neurogan Spermidine

Testing period: Weeks 13-16
My experience: Neurogan performed similarly to Prime Powders in my experience. My workout recovery remained stable, but I did notice a slight decrease in my afternoon mental clarity compared to when I was taking OMRE. One interesting note – my sleep onset time improved slightly during this phase.
What stood out:
- Also claims 99% pure formulation
- Made in GMP-compliant facility
- Some third-party testing documentation
- Very competitive pricing
- 120 servings per bottle
- Clean, straightforward formula
What could be better:
- Marketing felt very similar to other brands
- Basic packaging (minor point, but worth noting)
- Results were good but not outstanding in my testing
My rating: 4/5 – Another good value option with reliable results
4: CORPORALIGHT Liposomal Spermidine

Testing period: Weeks 17-20
My experience: This was the most unique formulation I tested with its liposomal delivery system and higher 30mg dosage. Interestingly, despite the higher dose and supposedly enhanced absorption, my results were mixed. My morning focus seemed improved, but I experienced mild digestive discomfort, and my sleep quality actually decreased slightly.
What stood out:
- Innovative liposomal delivery system
- Higher dose (30mg per serving)
- Additional nutrients for absorption
- Multiple size options
- Easy-to-swallow softgels
What could be better:
- Significantly higher price point
- Contains wheat-derived ingredients (caused mild sensitivity for me)
- Limited research supporting their absorption claims
- I experienced occasional digestive discomfort
My rating: 3.9/5 – Innovative approach but not worth the premium price given my results
Specific Benefits I Experienced After 6 Months
Product | Standardized Extract | Dosage | Third-Party Testing | Clean Formula | My Rating |
---|---|---|---|---|---|
OMRE Spermidine | ✓ | 10mg (optimal) | ✓ | ✓ | 4.9/5 |
Prime Powders | ~ | Varies (8-12mg) | ~ | ✓ | 4.2/5 |
Neurogan | ~ | 10mg (optimal) | ✓ | ✓ | 4/5 |
CORPORALIGHT | ✗ | 30mg (excessive) | ~ | ✗ | 3.9/5 |
After my six-month experiment, here are the measurable changes I documented:
Physical Performance:
- Recovery time after heavy training sessions decreased by approximately 35%
- Consistent energy levels throughout the day (no more 3pm slump)
- Slightly improved endurance during high-intensity intervals
Cognitive Function:
- Morning mental clarity significantly improved (measurable on cognitive tests)
- Better task switching ability during complex projects
- Improved recall during presentations (no more searching for words)
Overall Wellness:
- Deep sleep percentage increased by 14% (according to my Oura ring)
- Subtle but noticeable improvement in skin firmness (documented in photos)
- Blood work showed improved inflammatory markers (my doctor actually noticed)
For the skeptics: I was one too. That’s why I tracked everything meticulously and even did periods where I switched products or briefly stopped altogether to verify the effects weren’t placebo or lifestyle factors.
My Conclusion: Which Spermidine Supplement I Recommend (And Why)
After six months of testing, OMRE Spermidine stands out as the clear winner in my personal experiment. While it comes at a premium price point, the consistent quality, noticeable benefits, and rigorous standards make it the best investment for your cellular health.
I continue taking it daily with breakfast (I found taking it with food improves absorption) and have now made it a permanent part of my longevity protocol alongside exercise, quality sleep, and periodic fasting.
If budget is a major concern, both Prime Powders and Neurogan offer good alternatives, though in my experience, the results weren’t quite as pronounced.
The bottom line: If you’re serious about cellular health, longevity, and experiencing the full benefits of spermidine, OMRE provides the most consistent and noticeable results based on my extensive personal testing.