Home Ingredients Pelargonidin
AntioxidantAnti-InflammatoryCardiovascular

Pelargonidin

Found in Fragaria × ananassa (strawberries)
Evidence Level
Limited
3 Clinical Trials
5 Documented Benefits
2/5 Evidence Score

Anthocyanidin pigment giving strawberries, raspberries, red radishes, and pomegranate their distinctive red-orange color. Less studied than cyanidin or delphinidin in clinical context. Mostly preclinical evidence for anti-inflammatory and antioxidant activities. Strawberry RCTs (which deliver pelargonidin glycosides) provide indirect human evidence.

Studied Dose DIETARY: ~30-50 mg glycosides per 150 g strawberries. STRAWBERRY RCTs: 250-500 g fresh OR 25-50 g freeze-dried × 4-12 wk. PURIFIED: 50-200 mg/day. POOR bioavailability (1-2%). Take with fat.
Active Compound Pelargonidin (3,5,7,4'-tetrahydroxyflavylium) — anthocyanidin aglycone. In foods exists as glycosides: pelargonidin-3-glucoside (P3G — most common), pelargonidin-3-rutinoside, pelargonidin-3,5-diglucoside

Benefits

Cardiovascular benefits via strawberry consumption

Strawberry consumption RCTs (delivering pelargonidin glycosides) show modest cardiovascular benefits: improved lipid profile, reduced LDL oxidation, improved endothelial function, modest BP reduction. Basu 2010 and Burton-reviews documented strawberry effects in obese/metabolic syndrome subjects. Mechanism partially attributable to pelargonidin among other anthocyanins.

Supported by Trial 1

Anti-inflammatory effects (preclinical, strawberry RCTs)

Strawberry consumption reduces inflammatory markers (CRP, IL-6) in metabolic syndrome and obese subjects. Pelargonidin-rich foods generally show anti-inflammatory effects in human trials. Mechanism via NF-κB inhibition by anthocyanin metabolites.

Supported by Trial 1, Trial 2

Glucose metabolism (strawberry trials)

Some strawberry RCTs show improved postprandial glucose control and modest insulin sensitivity improvement. Pelargonidin-3-glucoside specifically shown to inhibit α-glucosidase. Mechanism for glycemic effects of strawberry-rich diets.

Supported by Trial 1, Trial 2

Antioxidant via metabolite effects

Pelargonidin and its metabolite protocatechuic acid demonstrate antioxidant activity in vitro and animal models. Strawberry consumption increases plasma antioxidant capacity. Mechanism for general 'oxidative stress reduction' claims associated with berry-rich diets.

Supported by Trial 3

Skin and UV protection (preclinical)

Animal studies show pelargonidin protects skin from UV-induced damage and may reduce photoaging markers. Mechanism: antioxidant + anti-inflammatory + collagen stabilization. Limited human RCT evidence specific to pelargonidin (vs other anthocyanins or topical anti-aging compounds).

Supported by Trial 3, Trial 1

Mechanism of action

1

Antioxidant via direct scavenging and Nrf2

Anthocyanidin structure (with hydroxyl groups + flavylium cation) provides direct radical scavenging. Plus activation of Nrf2 transcription factor upregulating endogenous antioxidant defenses. Mechanism for cellular oxidative stress reduction observed with strawberry consumption.

2

α-Glucosidase inhibition

Pelargonidin-3-glucoside inhibits intestinal α-glucosidase — slowing carbohydrate digestion and reducing postprandial glucose spikes. Mechanism similar to acarbose drug class. Contributes to glucose-modulating effects of berry consumption.

3

Metabolite-mediated activity (protocatechuic acid)

Pelargonidin is rapidly metabolized to protocatechuic acid (PCA) and phloroglucinaldehyde — these metabolites have longer plasma half-lives than parent anthocyanin and circulate at higher concentrations. May mediate the observed clinical effects more than parent pelargonidin itself. Reframes anthocyanin activity as 'metabolite delivery.'

4

Endothelial nitric oxide enhancement

Anthocyanins generally enhance endothelial nitric oxide synthase (eNOS) activity and bioavailability. Mechanism for improved endothelial function and modest BP-lowering effects in clinical trials.

5

NF-κB inhibition and anti-inflammatory cytokine reduction

Pelargonidin and metabolites inhibit NF-κB activation, reducing pro-inflammatory cytokines (TNF-α, IL-6, IL-1β). Mechanism for inflammation reduction in human trials of strawberry-rich diets.

Clinical trials

1
Basu 2010 — Strawberries in Metabolic Syndrome
PubMed

Strawberry RCT (Basu A, Wilkinson M, Penugonda K, Simmons B, Betts NM, Lyons TJ 2010, Nutr J 9:21, doi:10.1186/1475-2891-9-21, PMID 20492705).

27 women with metabolic syndrome consumed 50 g freeze-dried strawberries (≈3 cups fresh, providing ~145 mg pelargonidin glycosides + other anthocyanins) daily for 4 weeks. Cardiovascular biomarkers measured.

Reduced total cholesterol (-5%) and LDL cholesterol (-6%); reduced lipid peroxidation markers; improved blood pressure modestly. NO change in HDL or triglycerides. Demonstrates pelargonidin-rich strawberry consumption has measurable cardiovascular biomarker effects in metabolic syndrome population. Limited by single-center, small sample, no placebo control.

2
Burton-Freeman 2010 — Strawberry Postprandial Effects
PubMed

Postprandial RCT (Burton-Freeman B, Linares A, Hyson D, Kappagoda T 2010, J Am Coll Nutr 29(1):46-54, doi:10.1080/07315724.2010.10719816, PMID 20595645).

24 obese hyperlipidemic adults consumed strawberry beverage (10 g freeze-dried strawberries) or placebo with high-fat/carbohydrate test meal. Postprandial inflammatory and oxidative response measured.

Strawberry beverage REDUCED postprandial inflammatory response (IL-6, IL-1β) and oxidative stress markers vs placebo. Demonstrates acute effects of pelargonidin-rich strawberry on postprandial inflammation in metabolically vulnerable population. Supports inclusion of strawberries in mixed meals to reduce postprandial inflammatory spike.

3
Tulipani 2014 — Strawberry Anthocyanins Bioavailability
PubMed

Bioavailability study (Tulipani S, Mora-Cubillos X, Jáuregui O, Llorach R, García-Aloy M, Covas MI, Andres-Lacueva C 2014, J Agric Food Chem 62(15):3441-3452, doi:10.1021/jf500449w, PMID 24579822).

Healthy volunteers consumed strawberry pulp; plasma and urinary anthocyanin metabolites measured by LC-MS/MS.

Pelargonidin-3-glucoside is the major anthocyanin from strawberry; rapidly metabolized to protocatechuic acid, phloroglucinaldehyde, and other metabolites that circulate longer than parent compound. Bioavailability of parent pelargonidin extremely low (~1-2%) but metabolite-mediated activity may be biologically important. Important context for understanding human pharmacology.

Side effects and drug interactions

Common Potential side effects

Generally well-tolerated as part of normal fruit consumption.
Mild GI upset at very high anthocyanin doses (purified extracts).
Allergic reactions: occasional strawberry allergy (oral allergy syndrome).
Pregnancy/lactation: dietary intake safe; pharmacological supplementation insufficient data.
Theoretical mild antiplatelet activity at high doses.

Important Drug interactions

Generally minimal interactions at dietary intakes.
Theoretical mild bleeding risk with anticoagulants at high purified doses.
CYP enzyme effects: in vitro inhibition; clinical relevance limited at typical doses.
Compatible with most medications.
No major clinically documented interactions.

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Frequently asked questions about Pelargonidin

What is Pelargonidin?

Anthocyanidin pigment giving strawberries, raspberries, red radishes, and pomegranate their distinctive red-orange color.

What does Pelargonidin do?

Anthocyanidin structure (with hydroxyl groups + flavylium cation) provides direct radical scavenging. Plus activation of Nrf2 transcription factor upregulating endogenous antioxidant defenses. Mechanism for cellular oxidative stress reduction observed with strawberry consumption. In clinical research, Pelargonidin has been studied for cardiovascular benefits via strawberry consumption, anti-inflammatory effects (preclinical, strawberry rcts), glucose metabolism (strawberry trials).

Who should take Pelargonidin?

Pelargonidin may be most relevant for people interested in antioxidant, anti-inflammatory, cardiovascular. It has been clinically studied for cardiovascular benefits via strawberry consumption, anti-inflammatory effects (preclinical, strawberry rcts), glucose metabolism (strawberry trials). As with any supplement, consult your healthcare provider before starting, especially if you have medical conditions or take prescription medications.

How long does Pelargonidin take to work?

Most clinical trial effects appear over weeks of consistent use; individual response varies. Acute or same-day effects (where applicable) typically appear within hours, but most cumulative benefits — particularly those affecting biomarkers, mood, sleep quality, or chronic symptoms — require 4-12 weeks of regular use to fully assess. If you don't notice benefit after 12 weeks at the appropriate dose, it may not be your responder.

When is the best time to take Pelargonidin?

For anti-inflammatory and joint goals, Pelargonidin is typically taken with meals — fat-containing food often improves absorption for fat-soluble compounds. Daily consistency matters more than precise timing for cumulative anti-inflammatory effects. Always check product labeling and follow personalized guidance from your healthcare provider.

Is Pelargonidin worth taking?

Pelargonidin has limited clinical evidence (Evidence Level 2/5 on NutraSmarts) — preliminary research suggests potential benefit, but more rigorous trials are needed. Whether it's worth taking depends on your specific goals, what you've already tried, your budget, and your overall supplement strategy. The honest framing: no supplement is essential for most people, and lifestyle factors (sleep, exercise, diet, stress management) typically produce larger effects than any single supplement. Pelargonidin is most worth trying if its evidence-supported uses align with your specific goals.

What is the recommended dosage of Pelargonidin?

The clinically studied dose for Pelargonidin is DIETARY: ~30-50 mg glycosides per 150 g strawberries. STRAWBERRY RCTs: 250-500 g fresh OR 25-50 g freeze-dried × 4-12 wk. PURIFIED: 50-200 mg/day. POOR bioavailability (1-2%). Take with fat.. Always follow product labeling and consult a healthcare provider for personalized dosing recommendations.

What is Pelargonidin used for?

Pelargonidin is studied for cardiovascular benefits via strawberry consumption, anti-inflammatory effects (preclinical, strawberry rcts), glucose metabolism (strawberry trials). Strawberry consumption RCTs (delivering pelargonidin glycosides) show modest cardiovascular benefits: improved lipid profile, reduced LDL oxidation, improved endothelial function, modest BP reduction.