Leaf & Herb · Herb

Everlasting Pea

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

Everlasting Pea, primarily *Lathyrus rotundifolius*, produces a protein isolate with potential nutritional applications. However, other species commonly called 'everlasting pea', such as *Lathyrus latifolius*, contain neurotoxic β-ODAP, posing significant health risks.

—

Screened PMID Records

Reported Benefits

Pending

Synergy Review

At a Glance

CategoryLeaf & Herb

GroupHerb

Public Score StatusProvisional Moderate

Primary Keywordeverlasting pea benefits

Everlasting Pea close-up macro showing natural texture and detail — rich in primary mechanism involves β-odap (β-n-oxalyl-l-α, β-diaminopropionic acid) acting as a glutamate analog and ampa receptor agonist, causing excitotoxic damage to motor neurons. inhibits cystathionine γ-lyase

Everlasting Pea — botanical close-up

Reported Benefits (Provisional)

Contains β-ODAP (β-N-oxalyl-L-α,β-diaminopropionic acid), a neurotoxic compound

Prolonged consumption can lead to neurolathyrism, a progressive neurological condition affecting motor neurons.

Does not offer nutritional benefits suitable for human or livestock consumption

Poses significant health risks if ingested, due to its antinutritional factors and toxins.

Primarily serves ornamental and ecological functions, rather than functional nutrition.

Origin & History

Natural habitat

Everlasting Pea (Lathyrus latifolius) is a vigorous, cold-hardy climbing perennial native to Europe, particularly the Mediterranean basin, now widely naturalized across North America and Australia. It thrives in temperate zones with full sun and well-drained soils, commonly found in meadows and along roadsides. While prized for its ornamental floral display and erosion control potential, it is not recommended for consumption due to the presence of potentially neurotoxic compounds.

“The Everlasting Pea (Lathyrus latifolius) has been celebrated in European garden culture for centuries, symbolizing resilience and renewal through its tenacious growth and vibrant floral displays. Despite its aesthetic appeal, historical accounts from famine periods in parts of Europe and Asia serve as a cautionary tale, documenting outbreaks of neurolathyrism linked to the consumption of certain Lathyrus species.”Traditional Medicine

Research Narrative (Provisional)

Extensive scientific literature, including toxicological studies and epidemiological reports, unequivocally highlights the neurotoxic risk associated with Lathyrus species, particularly from excessive intake of β-ODAP. Research continues to investigate the compound's mechanisms of action and the precise thresholds for toxicity, underscoring that its nutritional use is severely restricted by significant health concerns.

Preparation & Dosage

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

Nutritional Profile

- β-ODAP (β-N-oxalyl-L-α,β-diaminopropionic acid): A potent neurotoxic compound that interferes with motor neuron function, particularly in excessive doses. - Lectins: Antinutritional factors common in some leguminous plants, which can impair nutrient absorption and cause digestive distress. - Antinutritional Factors: Contains other compounds that render it unsuitable for human or livestock consumption, lacking a beneficial nutritional profile.

Reported Mechanism (Provisional)

Mechanism of Action

For *Lathyrus rotundifolius*, the mechanism primarily involves its seed-derived protein isolate providing general nutritional benefits, though specific bioactive compound pathways are not detailed. In contrast, *Lathyrus latifolius*, also known as everlasting pea, contains β-ODAP, a neurotoxic excitotoxin that overstimulates glutamate receptors, leading to neuronal damage and motor neuron degeneration characteristic of neurolathyrism.

Clinical Narrative (Provisional)

Specific clinical studies on *Lathyrus rotundifolius* protein isolate, detailing trial types, sample sizes, or outcomes, are not provided in the current research. Its potential nutritional benefits are inferred from its protein content. For *Lathyrus latifolius*, extensive epidemiological reports and toxicological studies have documented widespread outbreaks of neurolathyrism in populations consuming it excessively, demonstrating severe neurological outcomes.

Also Known As

Lathyrus rotundifoliusPersian everlasting peaLathyrus latifolius (neurotoxic species)Perennial PeaBroad-leaved everlasting peaClitoria ternatea (Butterfly Pea)Blue Pea

Browse All Ingredients More Herb About the Encyclopedia

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.

From the Hermetica Research Desk

Research updates — and 25% off your first order

Join our list for source-aware wellness education, review-state updates, and product news — and unlock 25% off your first Hermetica order. Educational content is not medical advice. No spam, unsubscribe anytime.

Educational content only — not medical advice.