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"best in business"
Naturally Occurring Polyamine
Solaray Spermidine delivers a clinically studied dose of spermidine.
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This clinically studied dose of spermidine is sourced from rice germ extract for plant-based support to help maintain healthy levels.*
†Miricell™ is a trademark of Nutraland USA, Inc.
Spermidine (from Miricell(TM) rice germ extract), tapioca dextrin, cellulose, vegetable cellulose capsule, citric acid, and silica
Use only as directed. Take 1 VegCap once daily with a meal or glass of water. Store in a cool, dry place

Target cellular health—a vital component of longevity—with spermidine. This clinically studied dose is sourced from rice germ extract for plant-based support.


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 plays a critical role in several cellular functions including cell growth, autophagy, and DNA stabilization, but spermidine levels in the body decrease as we age.*
Maintaining healthy levels of this naturally occurring polyamine impact the body’s built-in renewal switch—which is essential for healthy aging.*
Since 1973, Solaray has believed that what you put in your body should be proven, not promised.
We source our own raw materials and triple-test every lot.
We manufacture 95% of our products for full control.
15,000 tests per month verify ingredient potency and purity.^

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.

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.
Naturally occurring polyamine
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.
Overall rating: 5.0 / 5 from 1 reviews.
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"best in business"
— erhan b. (5/5)
*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.