Once the patients who are candidates to enter the study are identified, the patients will be randomly be assigned to two groups, according to the sequence: * Group A: study product+wash out+control product * Group B: control product+wash out+study product
All patients will be given guidelines for adopting dietary habits and healthy lifestyles to achieve a regular and physiological depositional rhythm and will be given a study supplement and a control supplement, alternatively, for 2 time periods of 3 weeks separated by 2 weeks of wash out. * Supplement under study: mixture of food fibers of plant origin, in a proportion that contributes 75% soluble fiber / 25% insoluble fiber. * Control: Placebo supplement: maltodextrin and plum flakes
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Enrollment
120
Study product: mixture of plant-based food fibers (3 weeks) + wash out (2 weeks) + placebo control : plum flakes + maltodextrin (3 weeks)
Placebo control: plum flakes + maltodextrin (3 weeks) + wash out (2 weeks) + study product: mixture of plant-based food fibers (3 weeks)
Centro de Salud Perpetuo Socorro
Huesca, Aragon, Spain
RECRUITINGCentro de Salud Amparo Poch
Zaragoza, Aragon, Spain
RECRUITINGCentro de Salud Isabel II
Santander, Cantabria, Spain
RECRUITINGPercentage of clinical change obtained from the difference between the initial value and the final value for a combined score of the frequency of passage of faeces, pain to defecation, consistency of stool.
Combined score between this parameters
Time frame: From baseline to 8 weeks
Consistency of stool according to Bristol Stool Form Scale
Valuation of stool characteristics (Bristol scale): 7 types of consistency, where type 1 is the hardest consistency.
Time frame: From baseline to 8 weeks
Frequency of stool
Equal to or more than 3 times/week, 1-2 times/week, less than 1 time/week
Time frame: From baseline to 8 weeks
Change in stool weight
Increase equal to or greater than 50%, increase by 50 - 15%, increase less than 15%
Time frame: From baseline to 8 weeks
Gastrointestinal symptoms related to the constipation
Record in the patient's dairy all the gastrointestinal symptoms during the study
Time frame: From baseline to 8 weeks
Adherence record to the complement intake (Moriski Green test)
4 questions to the patient about treatment adherence.Patients who follow treatment are considered to be those who answer NO to the four questions and not to those who answer YES to one or more.
Time frame: At 8 weeks
Patient anthropometric measures: weight
Anthropometric records: weight (Kg)
Time frame: Up to 8 weeks
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Patient anthropometric measures: size
Anthropometric records: size (cm)
Time frame: Up to 8 weeks
Patient anthropometric measures: waist perimeter
Waist perimeter (cm)
Time frame: Up to 8 weeks