Tier 2 — strong

Absorption of water and solute from glucose-electrolyte solutions in the human jejunum: effect of citrate or betaine

J B Leiper, R J Maughan
Scandinavian journal of gastroenterology 1989 24(9):1089-1094

Bibliography

PubMed
PMID 2595270
DOI
10.3109/00365528909089260
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

DesignRandomized intestinal perfusion experiment
ModelHuman participants
SampleHealthy human volunteers
InterventionRehydration solutions including betaine HCl 36 mmol/L or citrate versus bicarbonate solution
DurationAcute jejunal perfusion
EndpointsIntestinal absorption; Rehydration physiology

What the study showed, in plain terms

Published in 1989, this source examined food sources, absorption and nutrient metabolism. Design: Randomized intestinal perfusion experiment. Sample/model: Healthy human volunteers. The exposure or intervention was Rehydration solutions including betaine HCl 36 mmol/L or citrate versus bicarbonate solution. Follow-up or treatment period: Acute jejunal perfusion.

Betaine was absorbed, but adding it did not improve water or solute absorption.

A specialized acute perfusion model and HCl formulation; it does not establish improved daily hydration from TMG.

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Continue with Foods High in Betaine: TMG Amounts and Practical Portions

Key findings

  • Betaine was absorbed, but adding it did not improve water or solute absorption.
  • The recorded outcome domains were Intestinal absorption; Rehydration physiology.
  • The result applies to the tested exposure: Rehydration solutions including betaine HCl 36 mmol/L or citrate versus bicarbonate solution; Acute jejunal perfusion.

What this study can and cannot tell us

  • A specialized acute perfusion model and HCl formulation; it does not establish improved daily hydration from TMG.
  • An individual controlled trial must be interpreted alongside its comparator, sample size, endpoint selection and independent replication. It does not validate a different commercial formulation or a general longevity claim.
  • Source basis: Indexed abstract and bibliographic data. Missing method details, funding information or participant denominators are not inferred.

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Editorial review

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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