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Medicinal Herbs Database

Explore 2,700+ herbs with evidence-based information

AllDigestiveImmune SupportNervineCardiovascular
N
Nutritive

Nettle

Urtica dioica

Stinging nettle is a nutrient-rich plant found throughout temperate regions worldwide. Despite its stinging hairs, it has been used medicinally for thousands of years across European and Native American traditions. The leaves, roots, and seeds each have distinct medicinal applications.

Allergy treatment300-600mg freeze-dried leaf 2-3 times daily, or 2-4 cups tea daily
PregnancyNursing
NL
Nutritive

Nettle Leaf

Urtica dioica subsp. dioica

The aerial parts of stinging nettle used as food and medicine; leaves are highly nutritious and used for allergic rhinitis, arthritis and iron deficiency.

Nutritive tonic across European and Asian medicine4–6 g dried leaves as tea; 300–600 mg extract 3x daily; fresh juice 30–60 mL
PregnancyNursing
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Respiratory
Anti-inflammatory
Adaptogen
Liver Support
Hormonal
Skin and Topical
Urinary
Musculoskeletal
Antioxidant
Antimicrobial
Nootropic
Nutritive
Mens Health
Womens Health
Analgesic
Metabolic
OS
Nutritive

Oat Straw

Avena sativa

The green milky tops and straw of the common oat, used as a nourishing nervine tonic for nervous exhaustion.

Nourishing the nervous system3-6g dried herb as tea or infusion
PregnancyNursing
OI
Nutritive

Ogiri Igbo

Citrullus lanatus seed

Melon seeds from West Africa used medicinally for hypertension, diabetes, and as protein-rich nutritive food medicine.

Hypertension in Nigerian folk medicineSeeds roasted and ground: 1-2 tablespoons daily in food
PregnancyNursing
OT
Nutritive

Oxalis Tuberosa

Oxalis tuberosa

Andean root vegetable cultivated since pre-Inca times used medicinally in traditional Andean medicine for digestive conditions and as a nutritive food.

digestive conditionsTubers consumed as food 100–200g daily
PregnancyNursing
PS
Nutritive

Parkia Seed

Parkia biglobosa

West African tree whose fermented seeds are the basis of dawadawa seasoning, used medicinally for inflammation and metabolic conditions.

Inflammation and pain in West African folk medicineFermented seeds as daily food seasoning; bark decoction for medicinal use 2 cups daily
PregnancyNursing
P
Nutritive

Parsley

Petroselinum crispum

Far more than a garnish — a nutritional powerhouse rich in vitamins, iron, and volatile oils with diuretic and digestive properties.

Urinary support2-4g dried herb or 6g fresh as tea 3x daily
PregnancyNursing
PS
Nutritive

Pastinaca sativa

Pastinaca sativa

The edible parsnip with phototoxic wild form; root used nutritively and medicinally for digestive and urinary conditions.

Diuretic useRoot as food; 2g dried root as tea
PregnancyNursing
P
Nutritive

Pawpaw

Asimina triloba

The largest native fruit in North America, with emerging research on its acetogenins for anticancer activity.

Nutritive foodFresh fruit eaten as food; extract dosing not well established
PregnancyNursing
PL
Nutritive

Phaseolus lunatus

Phaseolus lunatus

American legume crop; seeds used in Latin American folk medicine for diabetes; high cyanogenic content when raw.

diabetesAs food (fully cooked)
PregnancyNursing
PA
Nutritive

Pia Arrowroot

Tacca leontopetaloides

Pacific arrowroot starch used as a food medicine for digestive conditions and as a wound healing agent.

digestive conditions15-30g starch daily
PregnancyNursing
PN
Nutritive

Pine Needle

Pinus sylvestris

Pine needles are surprisingly rich in vitamin C and have been used as a survival food and respiratory remedy for centuries.

Scurvy prevention2-4g fresh needles as tea 2-3x daily
PregnancyNursing
PA
Nutritive

Pinole Amaranth

Amaranthus hypochondriacus

Ancient Aztec grain used as a sacred food and medicine. Aztec used it in religious ceremonies. Banned by Spanish conquistadors, it survived and is now recognized as a highly nutritious grain.

Sacred Aztec ceremonial foodAs food freely; 30-50g grain or flour daily
PregnancyNursing
PS
Nutritive

Pisum sativum medicinal

Pisum sativum

Common garden legume used medicinally for skin conditions, nutritive support, and digestive health.

Skin conditions in European folk medicineFresh peas as food freely
PregnancyNursing
PM
Nutritive

Plantago maritima

Plantago maritima

Coastal plantain with high mineral content used in Nordic and British folk medicine.

wound healing3-5g dried herb as tea 2x/day
PregnancyNursing
PE
Nutritive

Plectranthus esculentus

Plectranthus esculentus

African edible tuber used as food and medicine by Zulu and other Southern African peoples.

Food source in Southern African traditionTubers cooked as food
PregnancyNursing
PC
Nutritive

Pontederia cordata

Pontederia cordata

North American aquatic plant whose edible seeds were used by Native Americans as food and mild medicine.

Edible seeds as food by Native AmericansYoung leaves and seeds as food
PregnancyNursing
PU
Nutritive

Porphyra umbilicalis

Porphyra umbilicalis

Red seaweed used in Japanese sushi nori; traditional Welsh laverbread; rich in B vitamins including B12.

nutritive3-10g dried nori sheets daily
PregnancyNursing
PA
Nutritive

Pteridium aquilinum

Pteridium aquilinum

Globally distributed fern; young fronds eaten in Japan and Korea; rhizome used for starch; carcinogenic with long-term use.

food sourceYoung cooked fronds as food only; not for medicinal doses
PregnancyNursing
PM
Nutritive

Punarnava Mandur

Boerhavia diffusa compound

Classical Ayurvedic formulation combining punarnava with iron for anemia and liver conditions.

Ayurvedic anemia treatment500mg-1g twice daily with honey
PregnancyNursing