Hermetica Superfood Encyclopedia
The Short Answer
Rock Samphire is a salty, nutrient-rich coastal herb traditionally eaten by sailors to prevent scurvy, now valued for its antioxidant, digestive, and thyroid-supporting properties.
CategoryLeaf & Herb
GroupHerb
Evidence LevelModerate
Synergy Pairings4
Health Benefits
Provides potent antioxidant activity through vitamin C and polyphenols, neutralizing free radicals and reducing oxidative stress.
Supports digestive health with dietary fiber, promoting bowel regularity and a balanced gut microbiome.
Contributes to thyroid function and metabolic regulation due to its iodine content.
Exhibits anti-inflammatory properties, potentially mitigating chronic inflammatory processes.
Origin & History
Rock Samphire (Crithmum maritimum) is a succulent perennial herb native to the coastal cliffs and rocky shores of Europe, the Mediterranean, and the Black Sea. It thrives in saline environments with well-drained soils and full sun exposure, making it a resilient source of unique nutrients.
“Revered in Mediterranean cultures for millennia, Rock Samphire has been a culinary staple and medicinal herb, particularly valued for its high vitamin C content. Its perilous collection from sea cliffs was even referenced in Shakespeare's "King Lear," highlighting its historical significance.”Traditional Medicine
Scientific Research
Research supports Rock Samphire's antioxidant, anti-inflammatory, and digestive properties, primarily through in vitro and preliminary animal studies. Its traditional use for thyroid support is attributed to its iodine content, though human clinical trials on specific health outcomes are still emerging.
Preparation & Dosage
Traditional
Historically consumed by sailors to prevent scurvy; used as a diuretic and digestive aid.
Modern Forms
Utilized as a culinary herb in salads, pickles, and garnishes; incorporated into nutraceuticals.
Dosage
Specific dosage for nutraceuticals requires further research; culinary use is ad libitum.
Nutritional Profile
- Vitamins: Vitamin C
- Minerals: Iodine, Magnesium, Potassium
- Phytochemicals: Polyphenols, Flavonoids
Synergy Stack
Hermetica Formulation Heuristic
Polyphenol/antioxidant base
Gut & Microbiome | Immune & Inflammation
Frequently Asked Questions
What is Rock Samphire?
Rock Samphire (Crithmum maritimum) is a succulent perennial herb that grows on coastal cliffs and rocky shores across Europe and the Mediterranean. It has been consumed for centuries as a culinary herb and traditional remedy, notably by sailors to prevent scurvy due to its high vitamin C content.
Is Rock Samphire safe and how much should I consume?
Rock Samphire is generally safe when consumed in culinary amounts. There is no standardized supplemental dosage. Individuals with thyroid conditions should be cautious due to its variable iodine content, and those on thyroid medications should consult a healthcare provider before regular use.
What are the main health benefits of Rock Samphire?
Rock Samphire provides antioxidant protection from vitamin C and polyphenols, supports digestive health through dietary fiber, and may contribute to thyroid function via its iodine content. Most evidence comes from in vitro and preliminary animal studies rather than human clinical trials.

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