Bioavailability of Phytonutrients From Novel Preparations of Broccoli

Inclusion Criteria: * Between 21 and 75 years old at beginning of study Exclusion Criteria: * Pregnant, lactating, or intending to become pregnant during the study period * Women who have given birth during the previous 12 months * Presence of kidney disease, liver disease, gout, certain cancers, gastrointestinal disease, hyperthyroidism, untreated or unstable hypothyroidism, pancreatic disease, other metabolic diseases, or malabsorption syndromes requiring special diets * History of certain cancers within last 3 years * Known allergy or intolerance to Brassica vegetables * History of eating disorders or other dietary patterns which are not consistent with the dietary intervention (e.g., vegetarians, very low-fat diets, high-protein diets) * Colonoscopy during three weeks prior to start of study * Unwillingness to abstain from probiotics or vitamin, mineral, herbal and glucosinolate/isothiocyanate supplements for two weeks prior to the study and during the study * Use of tobacco products within 6 months preceding study * Crohn's disease or diverticulitis * Suspected or known strictures, fistulas or physiological/mechanical GI obstruction * Use of certain medications (prescription or over-the-counter) that may interfere with the study objectives * Type 2 diabetes requiring the use of diabetes pills, insulin, or non-insulin shots * Fasting glucose greater than or equal to 126 mg/dL * Unable or unwilling to give informed consent or communicate with study staff * Self-report of alcohol or substance abuse within the past 12 months and/or current treatment for these problems (long-term participation in Alcoholics Anonymous is not an exclusion) * Other medical, psychiatric, or behavioral factors that in the judgment of the Principal Investigator may interfere with study participation or the ability to follow the intervention protocol