Aim the water against the glass wall inside the vial
Weight of evidence: Overall evidence is Low-Moderate: multiple animal studies and a growing number of small clinical trials suggest benefits across gutbrain signaling, social and behavioral domains, gastrointestinal symptoms, and neurophysiological patterns, yet most human studies rely on caregiver-reported outcomes, lack biomarker integration, and seldom control for diet, comorbidities, or baseline microbiome composition
(PubMed) Yaworsky K, Somwar R, Ramlal T, Tritschler HJ, Klip A
Metabolic flexibility Although glutamine is the primary carbon source for the TCA cycle in some cancer cells, replenishment of TCA cycle intermediates using alternative anaplerotic substrates reduces bioenergetic stress, thereby enabling resistance to inhibition of glutamine metabolism