Botanicals & algae
Adaptogens® Professional
Seven adaptogenic botanicals
60 plant-based capsules
Doctor Life
Optimized SinglesSpermidine from wheat germ
Four categories. Find the support that fits your needs.
Overview
A focused formula for a thoughtful approach to healthy aging. Spermidine® Extra Strength 6 mg centers on a naturally occurring polyamine found in our cells and food. It is neither a vitamin nor a stimulant. Spermidine participates in the basic processes that maintain cellular balance. Its connection to autophagy, the cell's system for clearing and recycling worn components, is a key reason for scientific interest.
At the heart of the formula / Spermidine®
Spermidine®
Spermidine®
Spermidine®
Ingredients / Doctor Life
Each ingredient, its form and quantity — in one place.
| Ingredient | 1 capsule |
|---|---|
| Wheat germ concentrate | 600 mg |
| including spermidine | 6 mg |
*NRV: Nutrient Reference Value
How to use
Science & sources
These publications concern the studied ingredients or formulas. They do not all evaluate the finished Doctor Life product, and research results do not guarantee individual outcomes.
Ghada Alsaleh, Mohammad Ali, Amir Hossein Kayvanjoo et al.
Aging Cell (2026), 25(6), e70545. DOI: 10.1111/acel.70545; PMID: 42169618.
In a double-blind, randomized pilot study, 40 adults over 65 took 6 mg of spermidine daily for 13 weeks. Supplementation was well tolerated. Participants with weaker vaccine responses showed favorable changes in markers of immune cell aging, autophagy, and selected immune response measures. The study examined spermidine-rich wheat germ extract, not the finished Doctor Life product, but the spermidine amount matched this formula's daily serving.
Read publication ↗Claudia Schwarz, Gloria S. Benson, Nora Horn et al.
JAMA Network Open (2022), 5(5), e2213875. DOI: 10.1001/jamanetworkopen.2022.13875; PMID: 35616942.
In a 12-month study, 100 older adults received wheat germ extract providing 0.9 mg of spermidine daily, or a placebo. The primary memory outcome did not improve significantly, although exploratory analyses suggested areas for further research. The study is important because evidence for cognitive benefits remains inconclusive, and both the dose and purpose of supplementation matter when interpreting results.
Read publication ↗Patrick Keohane, Jeremy R. Everett, Rui Pereira, Chad M. Cook, Traci M. Blonquist, Eunice Mah
Nutrition Research (2024), 132, 1–14. DOI: 10.1016/j.nutres.2024.09.012; PMID: 39405978.
An exploratory study in older men examined 40 mg of high-purity spermidine daily for 28 days. This amount was well tolerated, but circulating polyamine levels changed little. The publication primarily provides tolerability data for higher doses and shows that blood spermidine levels do not simply mirror oral intake.
Read publication ↗Frank Madeo, Tobias Eisenberg, Federico Pietrocola, Guido Kroemer
Science (2018), 359(6374), eaan2788. DOI: 10.1126/science.aan2788; PMID: 29371440.
This review in Science summarized mechanistic and translational research on spermidine, with particular attention to autophagy and cellular aging. It explains why this natural polyamine has become an important topic in healthy aging research. It provides a biological rationale for the formula's direction, not evidence of a guaranteed clinical benefit from the supplement.
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