Root & Tuber · Root/Rhizome

Oca Root

Provisional Moderate ScoreCompound

Hermetica Superfood Encyclopedia

Published March 15, 2026Last updated March 15, 2026Methodology · Editorial policy · Report an error

Evidence review status: unreviewed

Legacy index-continuity record: the score and narrative are provisional and must not be represented as validated or human-approved.

Review flags: AWAITING_SEMANTIC_VALIDATION

Provisional Summary

Oca Root (Oxalis tuberosa) contains high concentrations of vitamin C (77 mg/100g) and anthocyanins that demonstrate potent antioxidant activity through phenolic compound mechanisms. These bioactives support immune function and metabolic health, though clinical evidence remains limited to traditional use and emerging nutritional analyses.

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Screened PMID Records

Reported Benefits

Pending

Synergy Review

At a Glance

CategoryRoot & Tuber

GroupRoot/Rhizome

Public Score StatusProvisional Moderate

Primary Keywordoca root benefits

Oca Root — botanical close-up

Reported Benefits (Provisional)

Provides sustained energy

and supports metabolic function through its complex carbohydrate profile.

Enhances immune resilience

via high levels of Vitamin C and flavonoid antioxidants.

Promotes digestive health

by supplying dietary fiber, nourishing the gut microbiome and regulating bowel movements.

Supports cardiovascular wellness

by helping to regulate blood pressure and cholesterol levels with potassium and fiber.

Contributes to bone

density and strength through its content of calcium and magnesium.

Protects cells from

oxidative stress due to a rich array of phenolic compounds and antioxidants.

Supports skin health

by providing nutrients that promote collagen production and elasticity.

Origin & History

Natural habitat

Oca Root (Oxalis tuberosa) is a brightly colored tuber native to the Andean highlands of South America, specifically Peru, Bolivia, and Ecuador. It thrives in high-altitude, cool climates and nutrient-poor soils, making it a resilient and nutrient-dense food source. Once a staple of the Inca civilization, Oca continues to be a vital component of traditional Andean agriculture and functional nutrition.

“Oca Root has been a vital crop in the Andean highlands since the Inca civilization, symbolizing resilience and agricultural heritage. It holds deep cultural significance in traditional Andean cuisine and farming practices, valued for its ability to provide sustenance in high-altitude environments.”Traditional Medicine

Research Narrative (Provisional)

While Oca Root has a long history of traditional use, scientific studies specifically on its health benefits are emerging. Research is investigating its nutritional composition, including antioxidant and fiber content, to validate its traditional applications in supporting energy, immunity, and digestive health.

Preparation & Dosage

Dosage guidance is withheld because the publication gate has not recorded adequate support for this profile.

Nutritional Profile

- Complex carbohydrates - Dietary fiber (soluble and insoluble) - Vitamin C - Potassium, Calcium, Magnesium, Phosphorus, Trace minerals - Essential amino acids - Flavonoids, Phenolic compounds (antioxidants) - Low in fat, moderate plant-based protein

Reported Mechanism (Provisional)

Mechanism of Action

Oca root's bioactive compounds including anthocyanins, carotenoids (1 μg/g dry basis), and phenolic compounds exert antioxidant effects by scavenging free radicals and reducing oxidative stress. The anthocyanins demonstrate exceptional heat resistance, maintaining stability during processing while supporting cellular protection. Vitamin C content at 77 mg per 100g fresh matter enhances immune function through collagen synthesis and neutrophil activity modulation.

Clinical Narrative (Provisional)

Current clinical evidence for oca root is limited, with no specific human trials identified in peer-reviewed literature. Research focuses primarily on nutritional composition analysis and traditional use validation rather than controlled clinical outcomes. Emerging studies are investigating antioxidant capacity and fiber content, but quantified therapeutic endpoints in human populations are not yet established. The evidence base relies heavily on traditional Andean use patterns and preliminary phytochemical characterization studies.

Also Known As

Oxalis tuberosaNew Zealand yamWood sorrel tuberAndean ocaIbia

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These statements have not been evaluated by the Food and Drug Administration. This content is for informational purposes only and is not intended to diagnose, treat, cure, or prevent any disease.

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