FDA product approval
not established. No approval for this exact marketed preparation or claimed wellness indication is established in this source set.
Research compound · compound · checked 2026-10-09
Spermidine
Spermidine is listed here as a compound. Polyamine investigated in cellular maintenance and aging research. Status was checked 2026-10-09. This card reports cited facts. It does not tell you to use Spermidine or how much to take.
Last checked Oct 9, 2026 by PepBear. Not medical advice.
- FDA product
- not established
- Compounding
- not established
- Research
- investigational
- Sport
- unknown
What is Spermidine?
Other names in the library: spermidine 3HCL, spermidine trihydrochloride, Spermidine 3HCL (15ml Solution). Evidence describes the named substance, not a quality certification or equivalence assessment of commercial stock. Listed sizes: no listed milligram sizes in the vendor file. A seller title is a listing. It does not prove the vial matches a paper.
Polyamine investigated in cellular maintenance and aging research.
Regulatory status, dated 2026-10-09
Compounding
not established. Legal compounding eligibility is not established here. Sale or a supplement label does not establish eligibility.
Research
investigational. 100 older adults with subjective cognitive decline in a 12-month randomized trial.
Sport
unknown. Not individually verified against current sport rules. Check the exact ingredients with your sport authority.
What the cited papers actually measured
We mark the cited papers as B for 100 older adults with subjective cognitive decline in a 12-month randomized trial. and The primary memory outcome did not improve significantly compared with placebo.. The studied wheat-germ extract is not equivalent to commercial spermidine trihydrochloride solution. Mechanistic autophagy findings do not prove lifespan extension. The primary memory outcome did not improve significantly compared with placebo. The studied wheat-germ extract is not equivalent to commercial spermidine trihydrochloride solution. Mechanistic autophagy findings do not prove lifespan extension. Risks on the record: Human safety for this exact preparation is incompletely characterized. A lack of reported problems does not establish safety.
We mark the cited papers as B. That is our label for how strong those papers are. It does not say the compound works.
human-trial
The primary memory outcome did not improve significantly compared with placebo.
100 older adults with subjective cognitive decline in a 12-month randomized trial. The studied wheat-germ extract is not equivalent to commercial spermidine trihydrochloride solution. Mechanistic autophagy findings do not prove lifespan extension.
How long it lasts, how you store it, listed sizes
The catalog does not record a single hour value. No verified human estimate for this exact preparation is supplied. A half-life is not a treatment schedule.
Half-life on file: no single hour value. No verified human estimate for this exact preparation is supplied. A half-life is not a treatment schedule. Follow the label on the vial you hold. This page does not set a throw-away date after you add water.
This card has no units chart until a milligram size is listed.
Risks and mix-ups already on the record
- Human safety for this exact preparation is incompletely characterized. A lack of reported problems does not establish safety.
- No complete contraindication list is established for this exact preparation. Review pregnancy, allergies and existing conditions with a clinician.
- No complete interaction study for this exact preparation is verified. Ingredient combinations are not presumed compatible.
People using PepBear often log: Exact product identity, formulation, dated label and any clinician-directed observations. Record symptoms and changes alongside other medicines, sleep and activity; observations do not establish causation.
Sources
- Spermidine primary study · PMID 35616942 · checked 2026-10-09
Questions people ask
Is Spermidine FDA-approved?
not established. No approval for this exact marketed preparation or claimed wellness indication is established in this source set.
Does PepBear pick an amount of Spermidine?
The calculator turns numbers you type into U-100 units. Trial or label amounts stay as cited facts.
Related cards
Discuss the evidence and unresolved identity or safety questions with a licensed clinician. This entry provides no treatment instructions. Not medical advice. PepBear does not pick a dose, a cycle, or a seller.