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Study · Not a test of the peptide alone · 2023

3 results

Effect of long-term carnosine/anserine supplementation on iron regulation after a prolonged running session.

Hayashi N, Nagastuka H, Sato M, Goto K

Physical activity and nutrition30 Jun 2023Cited by 1 (Europe PMC)

PMID37583074 (opens in a new tab)PMCIDPMC10440176 (opens in a new tab)DOI10.20463/pan.2023.0020 (opens in a new tab)PepBankPUB-37583074
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Summary

The text of this summary is not shown here, because the article license does not allow reuse. Read it at the source (opens in a new tab)

Text rights: CC BY-NC. Results still quote short attributed sentences.

Results from this study3

No result from this study comes from a test of the peptide.

Studies that did not test the peptide alone3

In this study, L-carnosine was a lab tool or a carrier, part of a mix, or the subject of a lab method. These results are not evidence about taking L-carnosine.

  1. 01HumanNot a test of L-carnosine aloneNon-randomized trialEfficacy outcome

    In healthy men, the serum iron response to exercise did not differ before versus after supplementation in either group.

    In plain wordsIn healthy men, the iron response to exercise did not change after carnosine/anserine or placebo supplementation.

    Peptide
    L-carnosine
    Outcome
    No significant changeSerum iron response
    Study

    n = 17

    Comparator
    Before supplementation
    Outcome group
    Blood biochemical markers · Whole body

    Source sentences

    Summary
    No significant differences in these variables were observed between pre-and post-supplementation.
    3 context sentences
    Summary · context
    Serum iron concentrations significantly increased after exercise (p < 0.01) and serum haptoglobin concentrations decreased after exercise in both groups (p < 0.01).
    Summary · context
    Seventeen healthy male participants were allocated to two different groups: participants consuming 1,500 mg/day of carnosine/anserine supplements (n = 9, C+A group) and participants consuming placebo powder supplements (n = 8, PLA group).
    Summary · context
    The participants consumed carnosine/anserine or placebo supplements daily for 30.7 ± 0.4 days.

    In this study, L-carnosine was a lab tool or a carrier, part of a mix, or the subject of a lab method. This result is not evidence about taking L-carnosine.

  2. 02HumanNot a test of L-carnosine aloneNon-randomized trialEfficacy outcome

    In healthy men, the serum haptoglobin response to exercise did not differ before versus after supplementation in either group.

    In plain wordsIn healthy men, the haptoglobin response to exercise did not change after carnosine/anserine or placebo supplementation.

    Peptide
    L-carnosine
    Outcome
    No significant changeSerum haptoglobin response
    Study

    n = 17

    Comparator
    Before supplementation
    Outcome group
    Blood biochemical markers · Whole body

    Source sentences

    Summary
    No significant differences in these variables were observed between pre-and post-supplementation.
    3 context sentences
    Summary · context
    Serum iron concentrations significantly increased after exercise (p < 0.01) and serum haptoglobin concentrations decreased after exercise in both groups (p < 0.01).
    Summary · context
    Seventeen healthy male participants were allocated to two different groups: participants consuming 1,500 mg/day of carnosine/anserine supplements (n = 9, C+A group) and participants consuming placebo powder supplements (n = 8, PLA group).
    Summary · context
    The participants consumed carnosine/anserine or placebo supplements daily for 30.7 ± 0.4 days.

    In this study, L-carnosine was a lab tool or a carrier, part of a mix, or the subject of a lab method. This result is not evidence about taking L-carnosine.

  3. 03HumanNot a test of L-carnosine aloneNon-randomized trialEfficacy outcome

    In healthy men, hepcidin area under the curve decreased after supplementation but did not differ between carnosine/anserine and placebo groups.

    In plain wordsIn healthy men, hepcidin area under the curve decreased after supplementation but did not differ between carnosine/anserine and placebo.

    Peptide
    L-carnosine
    Outcome
    No significant changeIntegrated hepcidin area under curve
    Study

    n = 17

    Comparator
    Placebo supplements
    Outcome group
    Blood biochemical markers · Whole body

    Source sentences

    Summary
    The integrated area under the curve of hepcidin significantly decreased after supplementation (p = 0.011) but did not vary between the C+A and PLA groups.
    3 context sentences
    Summary · context
    Seventeen healthy male participants were allocated to two different groups: participants consuming 1,500 mg/day of carnosine/anserine supplements (n = 9, C+A group) and participants consuming placebo powder supplements (n = 8, PLA group).
    Summary · context
    The participants consumed carnosine/anserine or placebo supplements daily for 30.7 ± 0.4 days.
    Summary · context
    They performed an 80-running session at 70% VO2peak pre-and post-supplementation.

    In this study, L-carnosine was a lab tool or a carrier, part of a mix, or the subject of a lab method. This result is not evidence about taking L-carnosine.

AI wrote and checked these results. AI can make mistakes, so check important results against the source.

Version history

PepBank keeps every version of the data on this study. Status changes from Retraction Watch, Europe PMC and Crossref are listed with their source.

  1. Version 2Current

    27 Oct 2026, 18:20 UTC

    Study results updated

  2. Version 1

    27 Oct 2026, 16:32 UTC

    First added · source update from Europe PMC

Subjects

Terms as the source lists them.

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