Tier 4 — mechanistic

Effects of betaine on performance and body composition: a review of recent findings and potential mechanisms

Jason M Cholewa, Lucas Guimarães-Ferreira, Nelo Eidy Zanchi
Amino acids 2014 46(8):1785-1793

Bibliography

PubMed
PMID 24760587
DOI
10.1007/s00726-014-1748-5
Funding
Funding was not specified in the indexed record or accessible funding metadata.
Competing interests
A competing-interest declaration was not available in the indexed record or accessible disclosure metadata.

Study snapshot

DesignNarrative review
ModelEvidence synthesis; mixed research models
SamplePublished literature; no newly enrolled participant cohort
InterventionReview of betaine-related evidence; no single assigned intervention
DurationEvidence review; source-specific study durations vary
EndpointsBetaine biology; Clinical and mechanistic evidence

What the study showed, in plain terms

Published in 2014, this source examined mechanistic and clinical reviews. Its evidence base was Published literature; no newly enrolled participant cohort. It evaluated Review of betaine-related evidence; no single assigned intervention across Evidence review; source-specific study durations vary.

Reviews early performance and body-composition findings and possible metabolic mechanisms.

The human evidence was mixed and mechanisms uncertain; later trials and syntheses should guide interpretation.

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Key findings

  • Reviews early performance and body-composition findings and possible metabolic mechanisms.
  • The recorded outcome domains were Betaine biology; Clinical and mechanistic evidence.

What this study can and cannot tell us

  • The human evidence was mixed and mechanisms uncertain; later trials and syntheses should guide interpretation.
  • The conclusions inherit the limitations of the underlying studies. A narrative interpretation or guideline recommendation is not a new randomized treatment comparison.
  • Source basis: Indexed abstract and bibliographic data. Missing method details, funding information or participant denominators are not inferred.

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Editorial review

Reviewed by the Biohack Blueprint research team

Last verified

Dr. Khaled Mahmoud, MBBChCritical Care Medicine, Longevity Science & Editorial Direction Dr. Amr Yasser, PhDCardiometabolic, Musculoskeletal, Gut & Bioavailability Dr. Abdulla Mostafa, PhDCellular Senescence, Neurological, Mitochondrial & Brain-Ageing Biology