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Spermidine
A polyamine that plays a role in cell growth*
Solaray Spermidine delivers a clinically studied dose of spermidine, which plays a role in cellular functions including cell growth, autophagy, and DNA stabilization.*
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$38.19 USD
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$38.19 USD
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Spermidine is vital to cellular health, but levels decrease as we age. This clinically studied dose is sourced from rice germ extract for plant-based support to help maintain healthy levels.*
- 3.3 mg spermidine sourced from Miricell™† rice germ extract
- Spermidine plays a role in cell growth, DNA stabilization, autophagy, and the body’s built-in renewal switch*
- Clinically studied dose helps maintain healthy levels*
- 1 VegCap daily
†Miricell™ is a trademark of Nutraland USA, Inc.
Ingredients
Ingredients
Spermidine (from Miricell(TM) rice germ extract), tapioca dextrin, cellulose, vegetable cellulose capsule, citric acid, and silica
Directions
Directions
Use only as directed. Take 1 VegCap once daily with a meal or glass of water. Store in a cool, dry place
Lab Testing Certifications
Lab Testing Certifications
Tested for Heavy Metals
Tested for Contaminants
Tested for Microorganisms
Tested for Identity
Tested for Purity
Tested for Potency
Spermidine Plays A Role In Cellular Function*
Target cellular health—a vital component of longevity—with a clinically studied dose of spermidine. This naturally occurring polyamine plays a role in cell growth and the body's built-in renewal switch.*
25% of Aging is Genetic.
You Decide the Rest
How you live. How you train.
How you fuel.
Think aging is written in your DNA? Research tells a different story.
A landmark study of Danish twins found that only 25% of the variation in human lifespan is genetic, with the remaining 75% determined by lifestyle choices, environment, and daily habits.1
That concept reframes aging entirely—you’re not limited by what you inherit. You shape your longevity every day.
1 Herskind, A.M. et al. The heritability of human longevity: A population-based study of 2872 Danish twin pairs born 1870–1900. Hum Genet 97, 319–323 (1996). https://doi.org/10.1007/BF02185763
Spermidine
Spermidine plays a critical role in several cellular functions including cell growth, autophagy, and DNA stabilization, but levels in the body decrease as we age.* Declining levels of this naturally occurring polyamine impact the body’s built-in renewal switch—which is essential for healthy aging.*
This powerful supplement delivers a clinically studied dose of spermidine sourced from rice germ extract formulated for consistent use to support long-term cellular health.*
50 Years of Trust
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Quality at Our Core
Since 1973, Solaray has believed that what you put in your body should be proven, not promised.
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Superior Sourcing
We source our own raw materials and triple-test every lot.
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Excellence Start to Finish
We manufacture 95% of our products for full control.
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Tests That Earn Your Trust
15,000 tests per month verify ingredient potency and purity.^
Trust Built On Testing. Every Time.
In an industry where quality can vary widely, testing isn't just a step in the process. It is the process.
✅ Passed Testing for Heavy Metals**
Arsenic, cadmium, lead, mercury
✅ Passed Testing for Microbials**
Mold, yeast, coliform, e. Coli
✅ Passed Testing for Contaminants**
Gluten, ethylene oxide
✅ Passed Testing for Physical Properties
Moisture, color, disintegration, tap density, mesh 140, 20, and 60
**Most contaminants, heavy metals, and microbes are tested to ensure no more than 3 ppm.
Made in Utah with Global Ingredients.
Our production facility in Ogden, Utah is a GMP facility certified by NSF. We source and triple-test raw materials, make the majority of our products in-house, conduct stringent testing in our ISO-accredited lab, and distribute our own products to ensure quality and excellence in every bottle.
High-Quality Ingredients
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Spermidine
Spermidine plays a role in cellular functions including cell growth, autophagy, and DNA stabilization*
Frequently Asked Questions
1. What is longevity?
- Longevity isn’t more time on the clock. It’s more vitality in every year.
- Scientists estimate only 25% of the variation in human longevity is determined by genetic factors. Your daily lifestyle decisions can determine the rest.
- Research indicates that healthy habits in nutrition, physical activity, stress management, and social support are all beneficial to longevity.
2. Are single or two-ingredient longevity supplements better than formulas?
- By delivering only the ingredients you need, single-ingredient and two-ingredient longevity supplements offer targeted support for your wellness goals.
- Complicated formulas may contain unwanted ingredients, duplicate ingredients you’re already getting from other supplements, or too little of the ingredients you really want.
- Single ingredient and two-ingredient supplements can help you dial in your stack to match your specific longevity goals.^
3. Do longevity supplements work in the short-term, too?
- With consistent use, most people experience short-term benefits of longevity supplements, depending on individual health status. When taking Spermidine, you may notice its role in cellular functioning.*
4. Are quality and testing important in a good longevity supplement?
- Quality and testing are important to ensure that your longevity supplement safely delivers the ingredients you need to support your wellness goals. Look for longevity supplements that are made in a GMP certified facility with lab-verified ingredients.
- All Solaray products are made in our GMP certified facility in Utah using globally sourced ingredients that are triple-tested for identity, potency, and purity and screened for contaminants like heavy metals and pesticides.**
- Solaray tests every lot of raw material, going above and beyond GMP requirements, to ensure what’s on the label is exactly what’s in the bottle.
5. How can I learn more about longevity?
- Check out Solaray’s Longevity Library. We’ve created a mix of in-depth articles and quick, digestible guides to help you fuel your longevity journey.
Customers Also Ask
1. What is spermidine?
- Spermidine is a naturally occurring polyamine that plays a role in cell growth, autophagy, and DNA stabilization.* Solaray Spermidine delivers a clinically studied dose sourced from Miricell™ rice germ extract.
2. What are the benefits of spermidine?
- Spermidine plays an important role in cell growth, autophagy, and DNA stabilization.* Because spermidine levels in the body decrease as we age, supplementation helps the body continue to perform these key cellular functions.*
3. What is autophagy and how does spermidine play a role in it?
- Autophagy is your body’s cellular recycling system. It allows the body to disassemble damaged cell parts, which can slow or prevent function, and repurpose salvageable pieces into new, usable parts. This built-in renewal switch plays an important role in longevity because autophagy can decrease with age, leading to a buildup of damaged cells that prevent optimal function.
- Spermidine plays a role in autophagy and other cellular functions including cell growth and DNA stabilization.*
4. What is a clinically studied dose of spermidine and why is it important?
- A clinically studied dose is the specific amount of a substance, such as a drug or supplement, that has been established via formal scientific research.
- Supplements can contain too much or too little spermidine. Solaray’s formulation delivers a clinically studied dose of 3.3 mg spermidine.
5. Are there side effects or risks with spermidine?
- Always ask your healthcare provider before starting a new supplement.
- Spermidine supplements are generally considered safe and well-tolerated for most people.
- If you’re taking prescription medications, consult your healthcare provider in advance to avoid any potential interactions.
Disclaimer: The customer reviews and testimonials featured on this site reflect individual experiences and opinions. Results may vary and are not guaranteed. These statements have not been evaluated by the Food and Drug Administration (FDA). The content is not intended to diagnose, treat, cure, or prevent any disease. Always consult a qualified healthcare professional before starting any new supplement regimen or if you have concerns about your health.
*These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease.
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