Anthocyanidins

Anthocyanidins

Evidence status

Limited evidence to recommend for any consumer outcome yet.

38 papers · 0 claims · 90 outcomes scored

Buy well

Recommended Anthocyanidins products

Real products that dose Anthocyanidins where the research does, in a clean formulation, from brands we've audited. We only list ones we'd stand behind.

Chosen for adequate Anthocyanidins dosing vs. the studied range, a clean formulation (grade A–C), and independent brand-quality audits. Not sponsored.

Risk profile

Adverse events and known drug interactions

Safety events

infectious colitis severe
ulcerative colitis exacerbation requiring hospitalization severe
mild adverse events (dark stools, headache, insomnia, diarrhea) , individual AE incidence not provided mild
stool discoloration mild
headache mild
nausea mild
transient fatigue mild
No adverse effects/complications reported

Sources

  1. 1. A Randomized, Double-Blind, Placebo-Controlled Study of an Anthocyanin-Rich Functional Ingredient on Cognitive Function and Eye Dryness in Late Adulthood Volunteers: Roles of Epigenetic and Gut Microbiome Modulations. (2023)
  2. 2. A pilot dose-response study of the acute effects of haskap berry extract (Lonicera caerulea L.) on cognition, mood, and blood pressure in older adults. (2019)
  3. 3. A CONSORT-compliant, randomized, double-blind, placebo-controlled pilot trial of purified anthocyanin in patients with nonalcoholic fatty liver disease. (2015)
  4. 4. Purified Anthocyanins Indicated No Significant Effect on Arterial Stiffness, Four-Limb Blood Pressures and Cardiovascular Risk-A 12-Week Dose-Response Trial in Chinese Middle-Aged and Elderly Adults with Hyperglycemia. (2025)
  5. 5. Effects of Anthocyanins on Cardiometabolic Health: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. (2017)
  6. 6. Role of Purified Anthocyanins in Improving Cardiometabolic Risk Factors in Chinese Men and Women with Prediabetes or Early Untreated Diabetes-A Randomized Controlled Trial. (2017)
  7. 7. Effect of Agraz (Vaccinium meridionale Swartz) on High-Density Lipoprotein Function and Inflammation in Women with Metabolic Syndrome. (2018)
  8. 8. Gut enterotype- and body mass index (BMI)-dependent effects of anthocyanin supplementation on gut microbiota composition in individuals at risk for cognitive decline: a randomized placebo-controlled trial. (2025)
  9. 9. Effects of Anthocyanin Supplementation on Reduction of Obesity Criteria: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. (2021)
  10. 10. Anthocyanins, Anthocyanin-Rich Berries, and Cardiovascular Risks: Systematic Review and Meta-Analysis of 44 Randomized Controlled Trials and 15 Prospective Cohort Studies. (2021)

Generated August 14, 2026

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