Suppression of Energy Intake by Intragastric l-Tryptophan in Lean and Obese Men: Relations with Appetite Perceptions and Circulating Cholecystokinin and Tryptophan.
- 2021-10
- RCT · n = 13
- The Journal of nutrition 151(10)
- Maryam Hajishafiee
- Sina S Ullrich
- Penelope Ce Fitzgerald
- Michael Horowitz
- Kylie Lange
- Sally D Poppitt
- Christine Feinle-Bisset
- PubMed: 34255069
- DOI: 10.1093/jn/nxab218
- High evidence
- Clinical
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).
- Effect
- Beneficial
- Effect size
- Moderate
- Significant
- Yes
- Dose
- 3 g (Trp-3) or 1.5 g (Trp-1.5)