How it may work
Involved in osmoregulation, bile acids, calcium handling and cellular stress responses.
Guide-level evidence orientationEvidence level C
Level C describes limited, mixed or context-dependent human evidence for this exact question; read the conclusion for direction and limits.
This guide-level grade is an orientation, not a direction-of-effect label, product grade, claim or personal recommendation.Why people are interested
A naturally occurring compound involved in fluid balance, bile acids, nerves and muscle function. Its role in healthy ageing is still being clarified.
Library trackIngredient review
Last reviewed20 Aug 2026
Guide scopeIngredient research only
What people have studied
Ageing interest accelerated after preclinical work, while subsequent human biomarker research challenges simple deficiency narratives.
What to consider
Human safety depends on dose, context and co-ingredients.
Local pathway
Positive-list guidance identified with use-specific conditions.
Sources + indexes
See where the explanation comes from.
Open the linked research and official records behind this guide. Early topics may begin with a research index while stronger sources are added.