# Arctic Cloudberry

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/arctic-cloudberry
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-15
**Evidence Score:** 8 / 10
**Category:** Herb
**Also Known As:** Rubus chamaemorus, Cloudberry, Bakeapple, Knotberry, Salmonberry

## Overview

Arctic cloudberry (Rubus chamaemorus) contains high concentrations of ellagitannins, particularly sanguiin H-6 and lambertianin C, which provide [antimicrobial](/ingredients/condition/immune-support) effects through bacterial cell immobilization and quorum sensing inhibition. These compounds also demonstrate [anti-inflammatory](/ingredients/condition/inflammation) activity by reducing NO and IL-6 production while inhibiting NF-κB and TNF-α pathways in macrophages.

## Health Benefits

- Strengthens [immune function](/ingredients/condition/immune-support) by providing high levels of Vitamin C.
- Protects cells from oxidative damage through its rich content of ellagitannins and polyphenols.
- Reduces inflammation due to potent [antioxidant](/ingredients/condition/antioxidant) and [anti-inflammatory](/ingredients/condition/inflammation) compounds.
- Enhances skin vitality and [collagen production](/ingredients/condition/skin-health), supported by Vitamin C and Beta-Carotene.
- Supports eye health and repair through its Beta-Carotene content.
- Aids [digestion](/ingredients/condition/gut-health) and supports gut health via its dietary fiber content.

## Mechanism of Action

Arctic cloudberry's primary ellagitannins (sanguiin H-6, sanguiin H-10 isomers, and lambertianin C) exert [antimicrobial](/ingredients/condition/immune-support) effects by destabilizing bacterial outer membranes, altering cytoplasmic membrane permeability, and blocking AHL-mediated quorum sensing in Pseudomonas aeruginosa. These compounds reduce [inflammation](/ingredients/condition/inflammation) by inhibiting NF-κB, Toll-like receptor 4, and preventing S100a8 and Mrc2 gene upregulation in adipose tissue. The [antioxidant](/ingredients/condition/antioxidant) mechanism involves scavenging superoxide radicals and activating ERK-1/2 and Nrf2 pathways for heme oxygenase-1 expression.

## Clinical Summary

Current evidence for Arctic cloudberry is limited to in vitro, animal, and cell studies with no published human clinical trials available. Preclinical studies demonstrate strong [antimicrobial](/ingredients/condition/immune-support) activity against Staphylococcus aureus, Pseudomonas aeruginosa, and Escherichia coli, with seed extracts significantly reducing NO and IL-6 production in activated macrophages. Animal studies show cloudberry supplementation prevented high-fat diet-induced [inflammatory](/ingredients/condition/inflammation) gene expression (S100a8/Mrc2) in mouse adipose tissue. Leaf extracts containing 19% polyphenols showed [antioxidant activity](/ingredients/condition/antioxidant) 60% higher than Trolox, though clinical efficacy in humans remains unestablished.

## Nutritional Profile

- Dietary Fiber
- Vitamin C
- Beta-Carotene
- Omega-3 and Omega-6 Fatty Acids
- Ellagitannins
- Polyphenols

## Dosage & Preparation

- Consumed fresh, or processed into jams, jellies, and liqueurs.
- Used culinarily as a topping for waffles, pancakes, or incorporated into desserts.
- Traditionally prepared as teas and tonics for its [antioxidant](/ingredients/condition/antioxidant) properties.
- No specific modern dosage provided in the original text.

## Safety & Drug Interactions

Arctic cloudberry appears well-tolerated based on limited available data, with no major safety concerns, drug interactions, or contraindications reported. Cytotoxicity occurs only at high concentrations (5% extract levels) while lower concentrations (≤1%) show no cytotoxic effects on macrophages. Ellagitannins may theoretically precipitate proteins or inactivate enzymes, though this represents a mechanism consideration rather than a toxicity concern. Safety during pregnancy, lactation, or in pediatric populations has not been established, and no specific drug interaction studies have been conducted.

## Scientific Research

Scientific research on Arctic Cloudberry is emerging, with studies focusing on its rich [antioxidant](/ingredients/condition/antioxidant) profile and high vitamin C content. Preliminary in vitro and observational data suggest benefits for [immune support](/ingredients/condition/immune-support) and [skin health](/ingredients/condition/skin-health), aligning with its traditional uses. Further clinical trials are needed to fully elucidate its therapeutic potential.

## Historical & Cultural Context

Arctic Cloudberry has been a cherished delicacy and medicinal staple in Nordic cultures for centuries, often referred to as “gold of the Arctic.” Traditionally used in folk medicine for its health-promoting properties, it has been incorporated into various culinary applications and tonics.

## Synergistic Combinations

Role: Functional whole-food/ingredient
Intention: Immune & [Inflammation](/ingredients/condition/inflammation) | Skin & Collagen
Primary Pairings: - Turmeric (Curcuma longa)
- Ginger (Zingiber officinale)
- Vitamin C (Ascorbic Acid)
- Ashwagandha (Withania somnifera)

## Frequently Asked Questions

### What are the main bioactive compounds in Arctic cloudberry?

Arctic cloudberry contains ellagitannins as its primary bioactive compounds, particularly sanguiin H-6, sanguiin H-10 isomers, and lambertianin C. It also provides ellagic acid derivatives, flavonoids, hydroxycinnamic acids like caffeic acid (1.2 mg/g in leaves), and procyanidins.

### How does Arctic cloudberry work against bacteria?

Arctic cloudberry exhibits antimicrobial effects through multiple mechanisms including bacterial cell immobilization, outer membrane destabilization at 1 mg/mL concentrations, and quorum sensing inhibition. It blocks AHL-mediated signaling and biofilm formation in Pseudomonas aeruginosa while showing strong growth inhibition against Staphylococcus aureus and Escherichia coli.

### Are there any side effects from Arctic cloudberry?

No major side effects have been reported for Arctic cloudberry based on current preclinical data. Cytotoxicity only occurs at very high concentrations (5% extract levels), while therapeutic concentrations (≤1%) show no adverse effects on cellular viability.

### How strong is the antioxidant activity of Arctic cloudberry?

Arctic cloudberry leaf extracts demonstrate potent antioxidant activity, showing 60% higher superoxide radical scavenging capacity than Trolox when standardized to 750 mg/g gallic acid equivalent. The polyphenolic fraction contains 19% gallic acid equivalents, 64 mg/g flavonoids, and 100 mg/g hydroxycinnamic acids.

### Can Arctic cloudberry help with inflammation?

Preclinical studies show Arctic cloudberry seed extracts significantly reduce inflammatory markers including NO and IL-6 production and iNOS expression in activated macrophages. The compounds inhibit key inflammatory pathways including NF-κB, Toll-like receptor 4, and TNF-α, though human clinical evidence is not yet available.

### Is Arctic cloudberry safe to take during pregnancy and breastfeeding?

Arctic cloudberry is rich in Vitamin C and antioxidants, which are generally beneficial during pregnancy and breastfeeding, but specific safety data for this ingredient in supplement form during these periods is limited. Pregnant and breastfeeding women should consult their healthcare provider before adding Arctic cloudberry supplements to their regimen, as individual circumstances vary. Whole cloudberry fruit consumed as food is typically considered safe, but concentrated supplements warrant professional guidance.

### How does Arctic cloudberry compare to other berry supplements for immune support?

Arctic cloudberry offers exceptionally high Vitamin C content and ellagitannins compared to common berries like blueberries or cranberries, making it particularly potent for immune function support. While other berries provide antioxidant benefits, Arctic cloudberry's unique polyphenol profile and concentration of bioactive compounds give it a stronger potential for cellular protection and inflammation reduction. The environmental conditions of Arctic regions appear to increase the density of beneficial compounds in cloudberries relative to berries grown in temperate climates.

### What is the most effective form of Arctic cloudberry supplement—powder, extract, or fresh?

Arctic cloudberry extract concentrates the bioactive compounds like ellagitannins and polyphenols, potentially offering higher bioavailability per dose compared to powder or whole fruit forms. Powder retains most nutrients but typically requires larger serving sizes to achieve therapeutic levels, while fresh cloudberries provide natural synergistic compounds though seasonal availability is limited. Extract forms are generally preferred for supplement applications due to standardized potency and convenient dosing, though individual absorption may vary based on digestive health.

## References

Sources: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6953944; https://pubmed.ncbi.nlm.nih.gov/28256004; https://www.sciencedirect.com/science/article/abs/pii/S0308814619303131
Scandinavian culinary traditions; Antioxidant-rich foods; Traditional herbal medicine

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