Eden Apothecary · Herb Profile
Juniperus communis
Pronounced JOO-nih-per BAIR-ee; joo-NIP-er-us kom-YOO-nis
Warm, dry, pungent-bitter aromatic: the stimulating, resolving diuretic that kindles cold, boggy, waterlogged tissue, drains cold-damp edema, and rekindles atonic digestion; the remedy for the still-water constitution.
Contraindicated. Juniper berry has a long-documented reputation as an emmenagogue and uterine stimulant (reputed abortifacient), and the volatile oil is a mucous-membrane and renal irritant. German Commission E lists pregnancy as a contraindication (risk of uterine contractions); the AHPA Botanical Safety Handbook rates the fruit Class 2b (not verified against AHPA) (not to be used during pregnancy). Avoid all medicinal doses (teas, tinctures, capsules, essential oil). Incidental culinary amounts seasoning food are of low concern. (German Commission E 1998; AHPA Botanical Safety Handbook 2nd ed. 2013; Brinker.)
Insufficient data; avoid medicinal doses. Volatile-oil constituents may pass into milk and safety in lactation is not established. Culinary amounts are of low concern; avoid therapeutic teas, tinctures, and the essential oil while nursing. (AHPA Botanical Safety Handbook 2nd ed. 2013; Mills & Bone, Essential Guide to Herbal Safety.)
Not recommended as a medicine for children. The stimulating, drying diuretic action and irritant volatile oil make medicinal doses inappropriate for young children, and the essential oil should never be given internally to children. Incidental culinary amounts are of low concern. (AHPA Botanical Safety Handbook 2nd ed. 2013; general pediatric herbal-safety guidance.)
For short-term use only: do not exceed 4-6 weeks of continuous medicinal use (German Commission E). Imparts a harmless violet odor to the urine. Large or prolonged doses can irritate the urinary passages; reduce or stop if kidney or bladder irritation, flank pain, or blood in the urine occurs. Distinguish true Juniper (Juniperus communis) from the genuinely toxic Savin (Juniperus sabina), which must never be used internally. The essential oil is concentrated and irritant: reserve for dilute external use or expert-supervised micro-dosing, not casual internal use.
Pregnancy; acute or chronic kidney inflammation (nephritis) and renal insufficiency; known sensitivity. Not for long-term continuous use. Savin (J. sabina) is a separate, toxic species and is not interchangeable with common juniper.
Juniperus communis is broadly distributed and not globally at-risk, but it is in local decline in parts of lowland Britain and Europe (poor natural regeneration, the pathogen Phytophthora austrocedri, and habitat loss), and some regional populations are legally protected. Prefer cultivated or sustainably wild-harvested berries from healthy stands; take only ripe blue-black cones and leave ample fruit for wildlife and regeneration. Not the same plant as the biblical rotem (white broom).
The King James Version renders the Hebrew rotem of 1 Kings 19:4-5, where the despairing Elijah lies down under a 'juniper tree,' as juniper, but modern botanical scholarship identifies rotem as the white broom (Retama raetam, Fabaceae), not the true juniper; the same word appears in Job 30:4 and Psalm 120:4. True junipers (Juniperus spp., including J. oxycedrus, J. phoenicea, and J. excelsa) do grow in the highlands of the Levant and the wider Mediterranean, and Juniperus communis itself carries a long Greco-Roman medicinal record: Dioscorides (De Materia Medica) and Pliny describe its warming, diuretic berries. The English name for Elijah's shrub endures by tradition even though the botany points to broom.
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