January 2025 in “MEDS Public Health and Preventive Medicine” Spermidine supplements can help extend the hair growth phase and may be useful for treating hair loss.
8 citations
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October 2017 in “Dermatology practical & conceptual” A spermidine-based supplement may help hair grow longer by keeping it in the growth phase.
20 citations
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January 2021 in “GeroScience” Spermidine helps protect against aging by preserving telomere length.
2 citations
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January 2020 Certain dietary supplements can improve hair health.
3 citations
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June 2011 in “EFSA Journal” Spermidine's effect on hair growth is not proven.