Pistachio Intake, Satiety and Body Weight Control in Healthy Adult Women (APIS)

Inclusion Criteria:

1. Healthy women;
2. Age: lower age limit 18 years, upper age limit: 50 years (included);
3. Body Mass Index: lower limit 19 kg/m²; upper limit 29.9 kg/m²; weight stable within ± 2 kg in the last 3 months;
4. Habitual energy intake, as indicated by an initial intake report (diary method, three days) within the 95% confidence interval (CI) of the habitual energy intake of a similar population (as provided by internal reference data collected by CREABio-RA from previous studies in similar conditions);
5. Participant not pregnant, not presently breast feeding or having breastfed in the last 3 months, and not planning to become pregnant during the study (negative pregnancy test at inclusion or morning of V1);
6. Pre-menopausal participant on effective contraception since at least 3 months (regular 28-day cycle) and who agree to continue their contraception throughout the study;
7. Participant registered with the French Social Security;
8. participant having signed informed consent

Exclusion Criteria:

1. Subject under legal protection or deprived of liberty by judicial or administrative decision.
2. Currently diagnosed somatic pathology;
3. On medication affecting metabolism, weight, energy intake, or energy expenditure in the last 6 months;
4. Major psychiatric disorder, particularly eating disorders as defined by the DSM-V;
5. High level of "Restrained Eating" or "Disinhibition", as revealed by the TFEQ or similar questionnaire;
6. Strong initial dislike of nuts, specially pistachios, as revealed by questioning about food habits initial dietary questionnaire;
7. Habitual consumption of pistachios as revealed by the 3-d intake report (more than twice a week);
8. Participants smoking more than 10 cigarettes per day or planning to stop smoking in the next 3 months;
9. Currently pregnant, lactating (as specified in article L1121-5 of the Public Health Code) or less than 6 month post-partum;
10. Any kind of food allergy, especially allergies or intolerance to nuts;
11. Participant not capable of understanding the constraints of the study, who does not agree to abide, and/or unable to communicate normally with investigators;
12. Person currently participating in another clinical study, or having used up her annual entitlement to compensation for participation in biomedical studies (4500 €).