Effects of Dietary Supplements on Nail and Hair Health

Inclusion criteria

• . Healthy female and male adults who are 18 to 75 years of age (inclusive)
• . Display longitudinal (vertical) nail ridges in the absence of other nail abnormalities
• . No cosmetic nail treatments that would mask the natural appearance of the nail plate in the past 6 months (i.e., manicure procedures that smooth the nail surface, nail polish)
• . In good general health (no uncontrolled diseases or conditions) as deemed by the investigator and is able to consume the study product
• . Individuals with childbearing potential must agree to practice an acceptable form of birth control for a certain timeframe prior to the first dose of study product and throughout the study, including:
• . use for at least 3 months prior to the first dose of study product: hormonal contraceptives including oral contraceptives, hormone birth control patch (e.g., Ortho Evra), vaginal contra-ceptive ring (e.g., NuvaRing), injectable contraceptives (e.g., Depo-Provera, Lunelle), or hormone implant (e.g., Norplant System), or intrauterine devices (e.g., Mirena); or
• . use for at least 1 month prior to the first dose of study product: double-barrier method, non-hormonal intrauterine devices (i.e., copper), or complete abstinence from sexual inter-course that may result in pregnancy; or
• . vasectomy of partner at least 6 months prior to the first dose of study product Individuals with the potential to impregnate others must agree to use condoms or other acceptable methods to prevent pregnancy throughout the study. Complete abstinence from sexual intercourse that may result in pregnancy is also acceptable.