L-5-hydroxytryptophan (5-HTP) is both a drug and a natural component of some dietary
supplements. 5-HTP is produced from tryptophan by tryptophan hydroxylase (TPH), which is …

Because daily food intake is the product of the size of a meal and the frequency of meals
ingested, the characteristic of meal size to meal number during a 24-h light–dark cycle …

Previous observations have shown that oral administration of 5-hydroxytryptophan (5-HTP)
without dietary prescriptions causes anorexia, decreased food intake, and weight loss in …

The attenuation of food intake as induced by an increase in serotonergic (5‐
hydroxytryptamine, 5‐HT) efficacy has been a target of antiobesity pharmacotherapies …

The neurotransmitter serotonin is an important regulator of energy balance. In the brain,
serotonergic fibres from midbrain raphe nuclei project to key feeding centres, where …

Several major developments have occurred since the last edition of Handbook of Obesity:
Clinical Applications, including new clinical trials, discoveries related to drug use, and …

OBJECTIVE: In obese patients, brain serotonergic stimulation via orally administered 5-
hydroxy-tryptophan (5-HTP), the precursor of serotonin, causes decreased carbohydrate …

This review focuses on four new product categories of food supplements: pre‐workout, fat
burner/thermogenic, brain/cognitive booster, and hormone/testosterone booster. Many food …

Numerous studies have documented that medications which increase brain serotonin (5-HT)
are effective anorectic agents which help obese patients lose weight and which also …

Abstract The Ministry of Food and Drug Safety (MFDS) has identified that numerous dietary
supplements contain unapproved (hidden, undeclared, and unauthorized) ingredients that …