Evaluation of the Effect of the Dietary Supplement X34 on Skin Radiance of Healthy Volunteers With Dull Complexion

Inclusion Criteria: * Female volunteers: * Age: 40-70 years * Who have a dull complexion evaluated by clinical scoring * Phototype II to IV (annex 5) * Non-smoking or smoking less than 5 cigarettes per day * Did not change her eating habits, within one month before the start of the study and agreeing not change during the study * With no history of facial skin care (peeling, mask…) 15 days before the beginning of the study and agreeing not to perform during the study * Volunteers accepting not changing their local treatment on face * Who agree to avoid UV exposure (sun or tanning booth) during the study * Who have a fixed address and are entitled to Social Security or a similar National Insurance scheme * Who sign a written informed consent Exclusion Criteria: * Pregnant, nursing, or intending to become pregnant in the course of the study * With a history of allergy or hypersensitivity to the products or one of their components * Having use oral nutritional supplements and/or vitamin supplementation less than one month before and/or refusing not consuming nutritional supplement during the study * Having used cosmetics and/or topical preparations containing ingredients claiming efficacy on skin radiance less than 15 days before and/or during the study * With a dermatosis, systemic disease or treatment susceptible to interfere with the evolution of the parameters of the study or with taking the nutritional supplement * Participation in another clinical trial evaluating skin radiance during the last month before the study * Participation in another clinical trial or volunteers being in the exclusion phase of such a trial, thus being unable to participate in any other one * Who have forfeited their freedom by judiciary decision or are deemed legally incompetent * Having perceived more than 4500 € as indemnification fees for participation in clinical trials during the preceding 12 months (including participation in this clinical trial) * Unable to comply with the protocol constraints * Who cannot be contacted by phone rapidly