Hermetica Superfood Encyclopedia
The Short Answer
Cyanidin is a naturally occurring anthocyanin pigment found in berries, red cabbage, and cherries that exerts antioxidant and anti-inflammatory effects primarily by scavenging reactive oxygen species and inhibiting NF-κB signaling. It demonstrates gastroprotective and blood sugar-regulating properties in preclinical models, though robust human clinical trial data remains limited.
CategoryNamed Bioactive Compounds
GroupCompound
Evidence LevelModerate
Primary Keywordcyanidin benefits
Synergy Pairings5
Cyanidin — botanical close-up
Health Benefits
Origin & History
Natural habitat
Cyanidin is a water-soluble anthocyanin pigment responsible for red, blue, and purple colors in fruits like blackberries, blueberries, cherries, and red grapes. It is typically extracted using acidified methanol or ethanol solvents, followed by chromatographic purification to isolate cyanidin or its glycosides like cyanidin-3-glucoside (C3G).
“While isolated cyanidin has no specific traditional use, berries rich in cyanidin like elderberry and bilberry have been used in European herbalism since the 16th century for gastrointestinal issues and inflammation. The compound was not identified as the active constituent until modern phytochemical analysis.”Traditional Medicine
Scientific Research
Clinical evidence for cyanidin is limited to preclinical studies, with no large-scale human RCTs identified. A systematic review of 16 animal studies found C3G reduced serum glucose in diabetic rodents (PMID: 41371544), while berry-rich diet reviews linked anthocyanins to disease prevention but lacked cyanidin-specific human trials (PMID: 33740221).
Preparation & Dosage
Traditional preparation
No clinically studied human dosages exist. Preclinical studies used 5-20 mg/kg cyanidin chloride in mice. Berry extracts standardized to 1-10% cyanidins are typically dosed at 50-500 mg/day in dietary studies, though specific standardization details are lacking. Consult a healthcare provider before starting any new supplement.
Nutritional Profile
Cyanidin is a pure polyphenolic compound (anthocyanidin class), not a whole food, so it contains no macronutrients, fiber, or conventional micronutrients. Molecular formula: C15H11O6+ (flavylium cation form); molecular weight: 287.24 g/mol. It is the aglycone (sugar-free) core found in cyanidin-3-glucoside (C3G), cyanidin-3-rutinoside, and cyanidin-3,5-diglucoside glycoside forms. Typical concentrations in food sources: black elderberry (~1,000–4,000 mg/kg fresh weight as glycosides), black chokeberry (aronia) (~2,000–3,000 mg/kg), black currant (~1,300–2,000 mg/kg), red cabbage (~250–700 mg/kg), and sweet cherries (~50–270 mg/kg). Bioavailability is notably low and variable: oral bioavailability estimated at 0.1–1.8% in human studies, with peak plasma concentrations (Cmax) of ~1–10 nmol/L after typical dietary intake. Absorption occurs primarily in the stomach and small intestine via SGLT1 and bilitranslocase transporters. Rapid metabolism occurs in intestinal epithelium and liver, producing protocatechuic acid and phloroglucinaldehyde as primary degradation products, which may contribute to bioactivity. Half-life is approximately 1.5–2 hours post-absorption. The glycoside form (C3G) demonstrates slightly improved stability and absorption compared to free cyanidin aglycone. No protein, fat, carbohydrate, or caloric content attributable to cyanidin itself as an isolated compound.
How It Works
Mechanism of Action
Cyanidin inhibits the NF-κB transcription factor pathway, thereby suppressing downstream pro-inflammatory cytokines including TNF-α and IL-1β at the gene expression level. It scavenges reactive oxygen species through its catechol B-ring structure, donating hydrogen atoms to neutralize free radicals and chelating transition metal ions that catalyze oxidative reactions. Additionally, cyanidin modulates GLUT4 translocation and may inhibit α-glucosidase enzyme activity, contributing to its observed effects on postprandial glucose regulation in animal models.
Clinical Evidence
The majority of cyanidin research consists of in vitro cell studies and rodent models, with very few randomized controlled trials in humans isolating cyanidin specifically rather than mixed anthocyanin extracts. In mouse models, oral administration of cyanidin at 20 mg/kg reduced peptic ulcer lesions by 80–93%, and a review of diabetic animal studies found improved serum glucose outcomes in approximately 87.5% of trials examined. Anti-inflammatory endpoints including reductions in TNF-α and IL-1β have been replicated across multiple preclinical studies, but direct translation to human dosing and efficacy is not yet established. Consumers should treat all current health benefit claims as preliminary pending adequately powered human clinical trials.
Safety & Interactions
Cyanidin consumed through whole food sources such as berries is generally recognized as safe, and no serious adverse events have been reported in short-term human studies using anthocyanin-rich extracts. At pharmacological doses used in animal studies (10–50 mg/kg), no overt toxicity was observed, but equivalent human doses have not been formally safety-tested in clinical trials. Cyanidin may theoretically potentiate the effects of antidiabetic medications such as metformin or insulin due to its glucose-lowering activity, warranting caution and physician consultation in diabetic patients. Safety data during pregnancy and lactation is insufficient, and use of concentrated cyanidin supplements should be avoided in these populations until further evidence is available.
Synergy Stack
Hermetica Formulation Heuristic
Also Known As
Cyanidin chloride3,5,7,3',4'-pentahydroxyflavyliumCyanidin-3-O-glucosideKuromaninChrysantheminAnthocyanidinCyanidin aglyconC15H11O6+Bilberry anthocyaninElderberry pigment
Frequently Asked Questions
What foods are highest in cyanidin?
Cyanidin is most concentrated in blackberries (up to 138 mg/100g), black elderberries, black currants, red cabbage, and sour cherries. Blueberries contain cyanidin primarily as cyanidin-3-glucoside, one of its most bioavailable glycoside forms. Cooking and processing can degrade cyanidin content by 20–40%, so raw or minimally processed sources are preferred.
Does cyanidin lower blood sugar?
Preclinical evidence suggests cyanidin can lower blood glucose by inhibiting α-glucosidase, slowing carbohydrate digestion, and promoting GLUT4-mediated glucose uptake in muscle cells. A review of diabetic animal studies found improved serum glucose in 87.5% of trials, but no isolated cyanidin human clinical trials have confirmed this effect. Individuals on antidiabetic medications should consult a healthcare provider before using cyanidin supplements.
How does cyanidin reduce inflammation?
Cyanidin suppresses inflammation by blocking activation of NF-κB, a master transcription factor that drives production of pro-inflammatory cytokines including TNF-α and IL-1β. It also inhibits COX-2 enzyme expression and reduces nitric oxide synthesis in activated macrophages in vitro. These mechanisms have been demonstrated consistently across cell and rodent studies, though clinical anti-inflammatory data in humans using isolated cyanidin is currently lacking.
What is the effective dose of cyanidin for health benefits?
Animal studies demonstrating gastroprotective effects used doses of 20 mg/kg body weight, which would translate to roughly 100–160 mg for a 70 kg human using standard allometric scaling, though this conversion has not been validated clinically. Most human studies have used anthocyanin-rich extracts containing mixed compounds rather than isolated cyanidin, making precise dosing recommendations impossible at this time. No established recommended daily intake or therapeutic dose exists for isolated cyanidin supplements.
Is cyanidin the same as cyanidine or cyanidin-3-glucoside?
Cyanidin is the aglycone (sugar-free) anthocyanin base, while cyanidin-3-glucoside (C3G) is its most common and extensively studied glycosylated form, where a glucose molecule is attached at the 3-position. C3G is more water-soluble and demonstrates higher oral bioavailability than free cyanidin in most pharmacokinetic studies. Cyanidine is simply an alternate spelling of cyanidin and refers to the same compound.
Is cyanidin safe to take with blood pressure or diabetes medications?
While cyanidin has shown blood sugar-lowering effects in animal studies, there is limited human clinical data on potential interactions with antidiabetic or antihypertensive medications. Because cyanidin may have additive effects on glucose regulation, individuals taking diabetes medications should consult their healthcare provider before supplementing. Drug interaction studies in humans have not been adequately conducted, so caution is warranted when combining cyanidin supplements with prescription medications.
What is the difference between cyanidin supplements and eating cyanidin-rich foods like berries?
Whole foods containing cyanidin (such as blueberries, blackberries, and black currants) provide the compound alongside fiber, other polyphenols, and nutrients that may enhance absorption and health benefits. Isolated cyanidin supplements deliver a concentrated dose but lack the synergistic compounds found in whole foods, and their bioavailability may differ significantly from food-based sources. Current evidence suggests that cyanidin-rich foods have been studied more extensively than isolated supplements for long-term health outcomes.
How strong is the scientific evidence for cyanidin's health benefits in humans?
Most cyanidin research to date consists of preclinical animal studies showing promise for gastroprotection, blood sugar control, and anti-inflammatory effects—but human clinical trials are extremely limited or absent. While animal models have demonstrated benefits at 20 mg/kg doses and improvements in up to 87.5% of diabetic animal studies, these findings cannot be directly extrapolated to human dosing or efficacy. Robust, long-term human clinical trials are needed before strong health claims can be made about cyanidin supplementation.
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