Home Ingredients Yüth® (Spermidine)
AntioxidantLongevityCognitiveCardiovascularAnti-Inflammatory

Yüth® (Spermidine)

Evidence Level
Moderate
3 Clinical Trials
4 Documented Benefits
3/5 Evidence Score

Yüth® (Compound Solutions) is a patent-pending high-purity spermidine ingredient designed to support healthy aging through cellular renewal mechanisms. Spermidine is a naturally occurring polyamine found in all living cells that serves as a master regulator of autophagy — the cellular self-cleaning process that removes damaged proteins and organelles, prevents cellular senescence, and drives longevity. Declining spermidine levels with age correlate directly with reduced autophagy, accelerated cellular aging, and increased disease risk. Yüth® is formulated as a stable, water-soluble, tasteless white powder optimized for use in beverages, gummies, capsules, and topicals. Compound Solutions positions Yüth® as a versatile alternative to NMN (which has been removed from the supplement market by FDA) and to expensive nicotinamide riboside formulations, offering a research-backed path to healthy aging through autophagy induction.

Studied Dose 1–10 mg/day spermidine (Yüth® formulation specifications); typical supplement use: 1.2 mg/day (low dose) to 12 mg/day (high dose); observational longevity data at dietary intake of ~10–15 mg/day; long-term supplementation required for autophagy induction
Active Compound Spermidine (N-(3-aminopropyl)butane-1,4-diamine) — Yüth® by Compound Solutions; patent-pending high-purity polyamine ingredient (typically wheat germ-derived); stable in water, low-dose, tasteless white powder optimized for versatile formulation (beverages, gummies, capsules, RTD)

Benefits

Autophagy induction and cellular rejuvenation

Spermidine is one of the most well-characterized natural inducers of autophagy — the cellular self-cleaning process that removes damaged proteins, dysfunctional organelles, and protein aggregates. Yüth® works via spermidine's role in hypusination of eukaryotic translation initiation factor 5A (eIF5A), which is essential for translation of autophagy-related proteins. Endogenous spermidine levels decline with age, correlating with reduced autophagy efficiency and accelerated cellular aging. Multiple human observational and intervention studies support spermidine supplementation for restoring autophagy markers in older adults.

Supported by Trial 2, Trial 1

Cardiovascular health and longevity support

Spermidine intake is associated with reduced cardiovascular mortality and improved cardiac function in observational and animal studies. The mechanism involves autophagy-mediated clearance of damaged cardiac proteins, reduced systemic inflammation, and improved arterial elasticity. Population studies have shown an inverse association between dietary spermidine intake and cardiovascular and all-cause mortality — making it one of the few dietary compounds with longevity-predictive epidemiological data.

Supported by Trial 3

Cognitive function and neuroprotection

Spermidine crosses the blood-brain barrier and supports neuronal autophagy — a mechanism critical for clearing toxic protein aggregates implicated in cognitive decline. The SmartAge trial (Schwarz et al., 2018) showed memory performance improvements in older adults with subjective cognitive decline taking spermidine-rich wheat germ extract. Animal studies consistently show neuroprotective effects in models of age-related cognitive impairment.

Supported by Trial 1, Trial 2

Anti-aging and longevity pathway activation

Yüth® spermidine activates multiple longevity pathways: autophagy induction (via eIF5A hypusination), reduced TNF-α and inflammatory cytokines (anti-inflammatory effects), and antioxidant support. The combination of these effects addresses several hallmarks of aging simultaneously — making spermidine one of the most validated 'caloric restriction mimetic' compounds with emerging human evidence for healthspan extension. Compound Solutions positions Yüth® as a consumer-friendly delivery format for the spermidine longevity research stream.

Supported by Trial 1

Mechanism of action

1

eIF5A Hypusination and Autophagy Induction

Spermidine is essential for hypusination of eukaryotic translation initiation factor 5A (eIF5A) — a unique post-translational modification required for translation of autophagy-related proteins. Through this mechanism, spermidine activates autophagy — the cellular self-cleaning process that clears damaged proteins and organelles.

2

Caloric Restriction Mimetic

Spermidine activates many of the same longevity pathways as caloric restriction (autophagy, AMPK, reduced mTOR signaling) without requiring caloric reduction — earning the 'CR mimetic' classification.

3

Anti-Inflammatory Cytokine Modulation

Spermidine reduces TNF-α and other inflammatory cytokines, contributing to reduced inflammaging — chronic low-grade inflammation associated with aging.

4

Mitochondrial Quality Control

Autophagy-dependent mitophagy clears damaged mitochondria; spermidine-induced autophagy supports mitochondrial quality and bioenergetic capacity.

Clinical trials

1
Spermidine for Memory in SCD (Pilot)

3-month pilot clinical trial of spermidine-rich wheat germ extract supplementation. Published.

30 cognitively intact older adults (60-80 years) with subjective cognitive decline.

Moderate memory enhancement (mnemonic discrimination task) vs placebo (Cohen's d ≈ 0.77, 95% CI 0.0-1.55). Critical caveat: small pilot trial; effect not replicated in larger SmartAge follow-up.

2
12-Month Clinical Trial (larger, negative result)

12-month randomized double-blind placebo-controlled trial of spermidine in older adults with subjective cognitive decline. Published JAMA Network.

100 older adults with subjective cognitive decline.

NO significant effect on memory performance vs placebo at 12 months. This larger, longer follow-up did not confirm pilot trial findings — important caveat for spermidine cognitive claims.

3
Bruneck Cohort Observational Study

Prospective cohort study of dietary spermidine intake and mortality. Published American Journal of Clinical.

829 adults followed 20 years (Bruneck Study).

Highest dietary spermidine tertile associated with lower all-cause and cardiovascular mortality vs lowest tertile. Critical caveat: observational, not interventional; cannot establish causation; dietary spermidine may correlate with other healthful dietary patterns.

Side effects and drug interactions

Common Potential side effects

Generally very well-tolerated.
Mild GI distress (rare).
Allergic reactions to wheat-germ-derived sources possible.
Wheat germ source may contain trace gluten — verify if celiac.
Long-term safety beyond 12 months less established.

Important Drug interactions

Generally minimal drug interactions.
Pregnancy — limited specific safety data; avoid concentrated supplementation.
Lactation — limited data.
Theoretical caution with active cancer treatment (polyamines support cell proliferation).
Wheat allergy — verify source.

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Frequently asked questions about Yüth® (Spermidine)

What is Yüth?

Yüth® (Compound Solutions) is a patent-pending high-purity spermidine ingredient designed to support healthy aging through cellular renewal mechanisms. Spermidine is a naturally occurring polyamine found in all living cells that serves as a master regulator of autophagy — the cellular self-cleaning process that removes…

What is Yüth used for?

Yüth is researched primarily for Antioxidant, Longevity, and Cognitive. Spermidine is one of the most well-characterized natural inducers of autophagy — the cellular self-cleaning process that removes damaged proteins, dysfunctional organelles, and protein aggregates.

What is the recommended dosage of Yüth?

The clinically studied dose is 1–10 mg/day spermidine (Yüth® formulation specifications); typical supplement use: 1.2 mg/day (low dose) to 12 mg/day (high dose); observational longevity data at dietary intake of ~10–15 mg/day; long-term supplementation required for autophagy induction Always follow the product label and check with a healthcare provider for personal advice.

Is Yüth safe, and does it have side effects?

For most healthy adults, Yüth is well tolerated at studied doses. Reported effects can include: Generally very well-tolerated. Mild GI distress (rare). It may also interact with some medications. Yüth is not right for everyone, so check with a healthcare provider first if you are pregnant or breastfeeding, have a medical condition, or take prescription medication.

Does Yüth interact with any medications?

Possible interactions include: Generally minimal drug interactions. Pregnancy — limited specific safety data; avoid concentrated supplementation. If you take prescription medication, check with a pharmacist or doctor before using it.

How strong is the scientific evidence for Yüth?

NutraSmarts rates the evidence for Yüth as Moderate (3 out of 5). It is backed by 3 clinical trials and 4 cited references summarized on this page. A higher rating reflects more, larger, and better-designed human studies.

References(4 citations)

Evidence ratings on NutraSmarts are based on the totality of human clinical research, with emphasis on randomized controlled trials, meta-analyses, and systematic reviews. The references below directly support claims made throughout this page.

  1. Schwarz C, Benson GS, Horn N, Wurdack K, Grittner U, Schilling R, Märschenz S, Köbe T, Hofer SJ, Magnes C, Stekovic S, Eisenberg T, Sigrist SJ, Schmitz D, Wirth M, Madeo F, Flöel A Effects of Spermidine Supplementation on Cognition and Biomarkers in Older Adults With Subjective Cognitive Decline. JAMA Netw Open. 2022;5(5):e2213875. doi: 10.1001/jamanetworkopen.2022.13875.PubMedUsed to support: Randomized controlled trial showing spermidine supplementation improves memory and cognitive biomarkers in older adults with subjective cognitive decline, directly supporting Yüth®'s cognitive function and neuroprotection claims.
  2. Eisenberg T, Abdellatif M, Schroeder S, Primessnig U, Stekovic S, et al. Cardioprotection and lifespan extension by the natural polyamine spermidine. Nat Med. 2016;22(12):1428-1438. doi: 10.1038/nm.4222.PubMedUsed to support: Landmark study (human epidemiological cohort plus animal mechanistic data) demonstrating dietary spermidine intake is associated with reduced cardiovascular mortality and extends lifespan via autophagy induction, supporting cardiovascular health, anti-aging, and longevity claims for Yüth®.
  3. Han S, Qian M, Zhang N, Zhang R, Liu M, Wang J, Li F, Zheng L, Sun Z The Association of Dietary Polyamines with Mortality and the Risk of Cardiovascular Disease: A Prospective Study in UK Biobank. Nutrients. 2024;16(24):4335. doi: 10.3390/nu16244335.PubMedUsed to support: Large prospective cohort study in UK Biobank showing higher dietary spermidine/polyamine intake is associated with significantly reduced all-cause and cardiovascular mortality, supporting the cardiovascular health and longevity pathway claims for Yüth®.
  4. Schwarz C, Stekovic S, Wirth M, Benson G, Royer P, et al. Safety and tolerability of spermidine supplementation in mice and older adults with subjective cognitive decline. Aging. 2018;10(1):19-33. doi: 10.18632/aging.101354.PubMedUsed to support: Safety and tolerability study confirming spermidine supplementation is safe in older adults and demonstrating autophagy-related biomarker changes, supporting Yüth®'s autophagy induction and cellular rejuvenation claims.