Effects of a Dietary Supplement Composed of Diosmin, Hesperidin, Bromelain, and Ruscus Aculeatus on the Quality of Life in Subjects With Lower Limb Disorders Possibly Prodromal to Chronic Venous Disease

Inclusion Criteria: * Both sexes; * Age ≥18 years; * Signed informed consent form for participation in the study; * Presence of at least one clinical symptom possibly related to chronic venous disease (such as heaviness and/or swelling and/or pain in the lower limbs, nighttime cramps, tired/heavy legs, itching, burning and/or warmth, tingling, or restlessness in the lower limbs); * Willingness to participate in the study and to comply with the study procedures, as confirmed by signing the written informed consent. Exclusion Criteria: * Pregnancy or current breastfeeding; * Women of childbearing potential who are not using adequate birth control methods (either hormonal contraception in the form of contraceptive pills, or barrier birth control methods used in combination with a spermicidal product such as foam, gel, or film). \[For the entire duration of the study, women of childbearing potential-defined as those who are less than one year post-menopause or who have not undergone hysterectomy or tubal ligation-must use an effective method of contraception, in accordance with Note 3 of the ICH M3 Guideline. A contraceptive method is considered highly effective if it results in a failure rate of less than 1% per year. Effective contraceptive methods include: hormonal contraceptives containing estrogens and progestins (oral, intravaginal, transdermal) that inhibit ovulation; hormonal contraceptives containing progestins only (oral, injectable, implantable); intrauterine device…