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Cockles

Overview​

Cockles are small bivalve shellfish that provide a nutrient-dense source of vitamin B12, iron, zinc, and selenium, along with marine taurine and phospholipid-bound omega-3 fatty acids. Like mussels and other bivalves, cockles contribute to neurotransmitter synthesis and energy metabolism. Their natural liquor (released when steamed) contains amino acids, minerals, and peptides that add both flavour and nutritional value. Cockles are a sustainable shellfish option with a low carbon footprint when farmed or wild-harvested responsibly.

Recipes​

1 recipe containing this food

Substances​

7 substances in this food

DHA (Docosahexaenoic Acid)

Accounts for ~10–15% of total brain fatty acids, 20–30% of neuronal phospholipids (PE, PS), and >90% of brain omega-3 PUFA; critical for membrane fluidity, synaptic vesicle fusion, neurodevelopment

Iron

Oxygen transport; dopamine synthesis (tyrosine hydroxylase cofactor)

Selenium

Antioxidant enzyme cofactor (GPx); supports redox balance

Taurine

Osmoregulator; GABA modulation; mitochondrial membrane stabilizer; anti-inflammatory

Zinc

Cofactor in neurotransmission and antioxidant enzymes; dopamine modulation

Preparation Notes​

  • Purge in salted water before cooking; discard any that remain open when tapped
  • Brief steaming preserves the natural liquor, which contains minerals and peptides
  • Low in mercury compared to many fish species
  • Part of diverse protein and seafood strategy
  • Marine taurine intake estimated 300–450 mg per serving when cooked with liquor

Biological Target Matrix​

Biological TargetSubstanceContribution LevelTherapeutic AreasMechanism of Action
Gut–Brain Axis & Enteric Nervous System (ENS)Omega-3 Fatty AcidsContextual / minor contributor—
Inflammation & Oxidative StressOmega-3 Fatty AcidsContextual / minor contributorSpecialized Pro-Resolving Mediators (SPMs) - resolvins, protectins, maresins terminate inflammation without immunosuppression, downregulate COX-2, inhibit neutrophil infiltration, enhance macrophage clearance, limit glutamate-induced excitotoxicity. Production of DHEA and EPEA (N-acyl ethanolamines) feeds into CB2-related anti-inflammatory signalling; ECS lipid mediators regulate immune tone and microglial activation (primary anchor for ECS mechanism: Inflammation & Oxidative Stress).
Inflammation & Oxidative StressZincContextual / minor contributorSupports immune signaling; gut barrier integrity disrupted by nutrient deficiencies including zinc
Metabolic & Neuroendocrine Stress (HPA Axis & ANS)Omega-3 Fatty AcidsContextual / minor contributorImprove vagal tone and HRV control, improve cortisol rhythms
Metabolic & Neuroendocrine Stress (HPA Axis & ANS)TaurineContextual / minor contributorBuffers HPA axis dysregulation; reduces cortisol; supports stress resilience
Methylation & One-Carbon MetabolismOmega-3 Fatty AcidsContextual / minor contributorSupport homocysteine reduction in combination with B12, phospholipid methylation (PLM) dependent on SAMe
Methylation & One-Carbon MetabolismVitamin B12 (Cobalamin)Contextual / minor contributorEssential cofactor in remethylation of homocysteine to methionine, which is converted to S-adenosylmethionine (SAMe); works with B6, B2, and folate; contributes meaningfully to homocysteine reduction, especially in combination with omega-3 fatty acids
Methylation & One-Carbon MetabolismZincContextual / minor contributorDeficiencies in vitamins and minerals essential for methylation, such as folate, vitamin B12, and zinc, are correlated to ADHD symptoms; supplementing these micronutrients has shown potential in supporting methylation and reducing symptom severity
Mitochondrial Function & BioenergeticsIronContextual / minor contributorCritical for oxygen delivery to the brain via hemoglobin; supports mitochondrial function and energy production
Mitochondrial Function & BioenergeticsOmega-3 Fatty AcidsContextual / minor contributorECS-related lipid signalling may influence mitochondrial coupling/efficiency (context-dependent; largely preclinical). Omega-3 incorporation changes membrane fluidity (secondary anchor for ECS mechanism: Mitochondrial Function & Bioenergetics).
Mitochondrial Function & BioenergeticsSeleniumContextual / minor contributorProtects mitochondria from oxidative damage through antioxidant enzyme activity
Mitochondrial Function & BioenergeticsTaurineContextual / minor contributorProtects mitochondrial function under oxidative stress; stabilizes mitochondrial membranes; supports ATP production
Mitochondrial Function & BioenergeticsVitamin B12 (Cobalamin)Contextual / minor contributorCrucial role in conversion of methylmalonyl-CoA to succinyl-CoA, a key step in mitochondrial energy production; deficiency leads to buildup of methylmalonic acid and odd-chain fatty acids, which are neurotoxic
Neurotransmitter RegulationIronContextual / minor contributorEssential cofactor for tyrosine hydroxylase, the rate-limiting enzyme in the conversion of tyrosine to dopamine; critical for catecholamine synthesis
Neurotransmitter RegulationOmega-3 Fatty AcidsContextual / minor contributorMembrane fluidity and neurotransmitter receptor function, ion channel behavior and gamma oscillations, support neurotransmission and phospholipid methylation
Neurotransmitter RegulationTaurineContextual / minor contributorModulates calcium handling; influences GABAergic tone; supports neurotransmitter balance
Neurotransmitter RegulationVitamin B12 (Cobalamin)Contextual / minor contributorSupports neurotransmitter production through methylation; essential for myelin synthesis
Neurotransmitter RegulationZincContextual / minor contributorImportant for DNA synthesis, cell division, and neurotransmitter regulation, particularly in modulating dopamine—a key neurotransmitter implicated in ADHD; acts as an allosteric modulator of the GABA receptor; supports glutamate regulation