Taurine is a natural substance in your body that helps keep your cells from swelling or shrinking too much, especially when your muscles, heart, or brain are under stress.
Evidence from Studies
Supporting (2)
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The study shows that taurine helps heart cells in fish maintain their size when the fluid around them changes, which supports the idea that taurine helps balance fluids inside cells under stress.
Cell volume regulation in fish heart ventricles with special reference to taurine.
The study shows that taurine helps heart cells in fish stay the right size when stressed, which supports the idea that taurine helps balance fluids in cells, especially in the heart.
Contradicting (1)
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β‐Alanine but not taurine can function as an organic osmolyte in preimplantation mouse embryos cultured from fertilized eggs
The study looked at whether taurine helps mouse embryos handle fluid stress, but found it doesn’t work as a protective osmolyte in them—unlike in some other tissues.
Gold Standard Evidence Needed
According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.