Healthline has strict sourcing guidelines and relies on peer-reviewed studies, academic research institutions, and medical journals and associations. We only use quality, credible sources to ensure content accuracy and integrity. You can learn more about how we ensure our content is accurate and current by reading our editorial policy.Babiker A, et al. (2020). The role of micronutrients in thyroid dysfunction.
https://pmc.ncbi.nlm.nih.gov/articles/PMC7282437/Baez-Gonzalez AS, et al. (2023). Functional effect of indole-3 carbinol in the viability and invasive properties of cultured cancer cells.
https://pmc.ncbi.nlm.nih.gov/articles/PMC10250583/Broccoli, raw. (2022).
https://fdc.nal.usda.gov/food-details/2345151/nutrientsDaley SF, et al. (2025). The role of dietary fiber in health promotion and disease prevention: A practical guide for clinicians.
https://www.ncbi.nlm.nih.gov/books/NBK559033/Liu X, et al. (2024). Prospective cohort study of broccoli consumption frequency and all-cause and cause-specific mortality risks.
https://pmc.ncbi.nlm.nih.gov/articles/PMC10800680/Lu Y, et al. (2020). Microwave cooking increases sulforaphane level in broccoli.
https://pmc.ncbi.nlm.nih.gov/articles/PMC7174218/Mkhize SA, et al. (2024). Decreased blood pressure with acute administration of quercetin in L‐NAME‐induced hypertensive rats.
https://pmc.ncbi.nlm.nih.gov/articles/PMC11659105/Sánchez Herrera TE, et al. (2024). Kaempferol: Unveiling its anti-inflammatory properties for therapeutic innovation.
https://www.sciencedirect.com/science/article/abs/pii/S1043466624003508Saito A, et al. (2025). Sulforaphane as a potential therapeutic agent: A comprehensive analysis of clinical trials and mechanistic insights.
https://pmc.ncbi.nlm.nih.gov/articles/PMC12451241/Vitamin A and carotenoids: Fact sheet for health professionals. (2025).
https://ods.od.nih.gov/factsheets/VitaminA-HealthProfessional/Vitamin C: Fact sheet for health professionals. (2025).
https://ods.od.nih.gov/factsheets/VitaminC-HealthProfessional/Vitamin K: Fact sheet for health professionals. (2021).
https://ods.od.nih.gov/factsheets/vitaminK-HealthProfessional/Wu X, et al. (2019). Effects of domestic cooking on flavonoids in broccoli and calculation of retention factors.
https://pmc.ncbi.nlm.nih.gov/articles/PMC6407093/
