Can strawberry gummies fight gum disease and oral cancer?

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Submit to a 24 hour urine cotinine test which will be used to determine smoking status. * Meet one of the following smoking criteria Non-smoker * Does not currently smoke or has no history of smoking or using tobacco related products (cigarettes, cigars, pipe, snuff, or chewing tobacco) or smoking any non-tobacco related products and urine cotinine (less than 100 ng/mL * Does not currently smoke but has quit smoking for more than 10 years and smoked less than 1 pack/day of cigarettes when they were actively smoking and has a urine cotinine (less than 100 ng/mL). Smoker * Smokes habitually at least 10 cigarettes/day and a urine cotinine level of \>1000 ng/mL. Cigar and pipe smokers who smoke at least 10 grams of tobacco daily are also eligible. * Agree to consume a standardized vitamin and mineral supplement and avoid other nutritional, dietary, or alternative medications/supplements for the duration of the study. * No history of malabsorptive, gastrointestinal or other metabolic disorders requiring special diet recommendations. * Body mass index (BMI) between 20 and 35 kg/m2 * Abstain from purple and red colored foods and beverages which contain significant anthocyanins and polyphenols * Abstain from the use of ANY mouth washes (commercial or home remedies)during 6 week study period Exclusion Criteria * Have a known allergy to strawberries, corn, and wheat products or those who have never consumed any of these products. * Have active metabolic or digestive illnesses such as malabsorptive disorders (Crohn's, ileus, IBS), renal insufficiency, hepatic insufficiency, hyper- or hypothyroidism, cachexia, morbid obesity, or short bowel syndrome. * Have a history of pituitary hormone diseases that currently require supplemental hormonal administration (thyroid hormones, ACTH, growth hormone, insulin) or other endocrine disorders requiring hormone administration. * Have significant loss of gastrointestinal organs due to surgery, except for appendix. * Have altered immunity such as chronic inflammatory disease, autoimmune disorders, cancer, anemia, hemophilia, and blood dyscrasias. * Heavy alcohol consumers defined as \>15 glasses/week (one glass = 1.5 oz. liquor, 5 oz. wine, or 12 oz. beer). * Antibiotic use in the last 6 months or on medications that will accelerate or decrease bowel motility. * Are receiving or in need of dental treatment during the study period. * Have noticeable open lesions, sores that have not healed for more than 3 months, have had any active oral lesions or maladies within the last month, or have a history of leukoplakia, tumors of the buccal cavity, throat, and lips. * Have difficulty swallowing (dysphagia), pain with swallowing (odynophagia), salivary gland dysfunction, or xerostomia (dry mouth). * A "non-smoker" who is currently or has a history (less than 10 years of smoking abstinence) of either tobacco or non-tobacco related smoking. * Women, who are planning to conceive in the next 6 months, suspect they are pregnant, pregnant, or nursing. * Are taking medications that inhibit clotting (warfarin sodium) or using prescribed oral rinses (Peridex).