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Catalyst

L-tryptophanFinding

L-tryptophan decreases ad libitum test-meal energy intake

lowersVery limited evidenceFindingreplicated ×1

01 · The sentence it was drawn from

“Trp suppressed energy intake (P < 0.001), with no difference between groups (lean, C: 1085 ± 102 kcal, Trp-1.5: 1009 ± 92 kcal, Trp-3: 868 ± 104 kcal; obese, C: 1249 ± 98 kcal, Trp-1.5: 1217 ± 90 kcal, Trp-3: 1012 ± 100 kcal).”
Quoted verbatim from Suppression of Energy Intake by Intragastric l-Tryptophan in Lean and Obese Men: Relations with Appetite Perceptions and Circulating Cholecystokinin and Tryptophan.
This finding among the 9 findings on its endpoint

L-tryptophan

Ad libitum test-meal energy intake

lowers

Who
Twelve lean men and 13 men with obesity; double-blind randomized crossover; buffet-meal energy intake 30 min after intragastric Trp; primary outcome; groups did not differ
Dose studied
single intragastric load of 3 g or 1.5 g Trp, 30 min before a buffet meal, versus control

Very limited evidencePMID 34255069 · 2021

02 · The study

Study
crossover
Duration
not reported

Evidence, by strength

  • strong
  • moderate
  • limited
  • very limitedthis finding
  • insufficient

04 · To cite this finding

This address does not change

https://catalystproject.ai/e/01M70JFCG69SA6ER181ZH4W92X