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Plant extract - Women's phytotherapy & Nutrition AlfalfaThe queen of forages: PMS, endometriosis, remineralisation and phytoestrogenic hormonal balance |
Latin name Medicago sativa L. Family Fabaceae (Legumes) |
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History & Botany |
From ancient Persia to modern food supplements: 3,000 years in the service of vitality and women's health
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Alfalfa is one of the oldest forage plants cultivated by humanity, domesticated in Persia (modern-day Iran) over 3,000 years ago before spreading throughout the Mediterranean world. Its name comes from the Arabic al-fassfasah, meaning "the best fodder". Persian, Chinese and Ayurvedic traditional medicines used it to remineralise the body, stimulate appetite and strengthen vitality during convalescence. Its remarkable richness in phytoestrogens, vitamins, minerals and amino acids has elevated alfalfa to superfood status. Its modern rediscovery as a plant for menstruating women is more recent: phytochemical studies from the 1980s–2000s revealed that its isoflavones and coumestrol exert a subtle hormonal modulating action, useful not only at menopause but throughout a woman's reproductive life. Its exceptional mineral richness (linked to roots that can reach several metres deep) also makes it a superior bone remineraliser, compensating for iron and calcium losses related to menstruation. |
Morphology Perennial herbaceous plant reaching 30 to 80 cm, with roots that can extend several metres deep. Bright green trifoliate leaves, characteristic of legumes. Purple or blue-mauve flowers in clusters, highly attractive to bees. Spirally coiled pods at maturity. Nitrogen-fixing root nodules. Part used & extraction The aerial parts (leaves, stems and flowering tops), harvested before full flowering. Hydro-alcoholic dry extract or whole plant powder. Harvested mainly in North America, Spain, France and Morocco. Germinated seeds (alfalfa sprouts) are also widely used in health food. |
Medicago sativa L. Trifoliate leaves and characteristic purple-mauve flowers |
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Active compounds & biochemistry |
An exceptional nutritional and phytoestrogenic profile: the most complete plant for global women's health
| Isoflavones & coumestrol (phytoestrogens) | Major phytoestrogenic molecules. Coumestrol and formononetin bind to oestrogen receptors with selective affinity for the beta receptor (ERβ), producing a mild hormonal modulating effect. They rebalance the oestrogen/progesterone ratio in both directions depending on the woman's hormonal status: oestrogen-like effect in cases of deficiency, and relative anti-oestrogenic effect in cases of excess, by competing with the more potent endogenous oestrogens. |
| Vitamins & provitamins | Exceptionally rich in vitamin K (coagulation and bone metabolism), B-group vitamins (B1, B2, B6, B9-folates essential for women of childbearing age), vitamin C and carotenoids. Folates are essential for preventing neural tube defects and support haematopoiesis in women anaemic from heavy periods. |
| Minerals & trace elements | Exceptional mineral spectrum: calcium, magnesium, phosphorus, iron, zinc, manganese, copper. Bioavailable iron compensates for menstrual losses. Magnesium helps reduce muscle cramps and menstrual pain. Zinc supports ovulation and hormonal balance. Calcium prevents bone demineralisation. |
| Essential amino acids & proteins | Complete protein profile: all 8 essential amino acids including lysine and tryptophan. Tryptophan is a precursor to serotonin, the neurotransmitter involved in regulating mood, sleep and appetite — often disrupted during severe PMS. |
| Chlorophyll & saponins | Rich in chlorophyll (depurative and promoting haemoglobin regeneration in iron-deficiency anaemia linked to menorrhagia). Triterpene saponins with cholesterol-lowering and mildly anti-inflammatory properties. |
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Organoleptic properties |
Sensory characteristics of the dried plant and extract — identification and quality benchmarks
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Appearance Dried plant Trifoliate leaves bright to dark green, slightly downy. Powder intense green, highly pigmenting, characteristic of chlorophyll richness. |
Colour Dry extract / liquid Powder dark green to brown-green. Liquid extract: deep green-brown, highly pigmented. Strongly colours aqueous solutions green. |
Odour Dried plant & extract Fresh herbaceous and vegetal notes, reminiscent of cut hay and fresh legumes. Slightly fatty at high concentration. |
Taste Extract in solution Herbaceous and mildly bitter, with a fresh vegetal note close to young shoots. Slightly astringent, without pronounced bitterness. Generally well accepted taste. |
Solubility Dry extract Fine powder, good solubility in hydro-alcoholic medium and hot water. Slightly hygroscopic. Highly pigmenting: dyes solutions intense green. |
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Medicinal properties & action on the menstruating woman |
From PMS to endometriosis: comprehensive hormonal, nutritional and anti-inflammatory support
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PMS & premenstrual water retention Phytoestrogens regulate cyclical water retention by modulating the hormonal axis. Magnesium reduces premenstrual cramps, headaches and irritability. Tryptophan supports serotonin production, reducing the mood swings and sugar cravings characteristic of PMS. |
Iron-deficiency anaemia & menorrhagia The richness in bioavailable iron, folates and chlorophyll makes alfalfa a remedy of choice for women anaemic from heavy periods. Chlorophyll stimulates haemoglobin production and improves oxygen transport. Useful in support of medicinal iron supplementation. |
Dysmenorrhoea & pelvic pain Magnesium exerts an antispasmodic effect on uterine musculature, reducing the intensity of cramps. Anti-inflammatory isoflavones modulate prostaglandin production. Alfalfa effectively complements lady's mantle in PMS and severe dysmenorrhoea formulas. |
Bone remineralisation & fertility Calcium, magnesium, vitamin K and phytoestrogens prevent early bone demineralisation in women with irregular cycles or amenorrhoea. Zinc supports follicular maturation and ovulation. Folates (B9) are essential from the earliest stages of a pregnancy project. |
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Endometriosis, fibroids & hormone-dependent conditions |
The modulatory role of phytoestrogens in oestrogen-dependent diseases
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Endometriosis, uterine fibroids and certain ovarian cysts are oestrogen-dependent diseases: their development and maintenance require a hormonal environment rich in oestrogens. The phytoestrogens in alfalfa (coumestrol, formononetin) exert a paradoxical but beneficial modulatory effect: ‣ Competition with endogenous oestrogens: phytoestrogens partially occupy oestrogen receptors, particularly the beta receptor (ERβ), competing with the far more potent endogenous oestradiol. By reducing the net oestrogenic stimulation of target tissues, they may help limit the proliferation of endometriotic lesions and oestrogen-dependent fibroids. ‣ Essential nutritional support in endometriosis: women with endometriosis frequently present deficiencies in iron (menorrhagia), magnesium (cramps, spasms), zinc (immunity, inflammation) and folates. Alfalfa, with its complete nutritional profile, compensates for these deficiencies and improves the general terrain. ‣ Systemic anti-inflammatory action: alfalfa isoflavones have documented anti-inflammatory properties, reducing systemic inflammatory markers (CRP, IL-6) that accompany endometriosis and chronic pelvic conditions. ‣ Synergy with lady's mantle: the alfalfa + lady's mantle combination is one of the most coherent phytotherapeutic formulations for women with endometriosis or severe PMS: alfalfa provides the modulatory phytoestrogens and remineralisation; lady's mantle provides the direct progesterone-like, haemostatic and pelvic anti-inflammatory action. |
| Important: alfalfa is a complementary phytotherapeutic support in endometriosis, not a curative treatment. In the case of personal or family history of hormone-dependent cancer (breast, endometrium, ovary), the use of phytoestrogens should be discussed with the oncologist or gynaecologist. Formally not recommended for people on anticoagulants (vitamin K) and in cases of systemic lupus erythematosus (saponins). |
| Usage note: Extract well tolerated for food and supplementary use. Contraindicated in systemic lupus erythematosus. Not recommended with anticoagulants (vitamin K content). Not recommended at therapeutic doses during pregnancy and breastfeeding. 3-month courses advised for chronic indications. Often combined with lady's mantle, yarrow and turmeric in endometriosis protocols. |
| Thanks to its roots that can exceed 10 metres in depth, alfalfa concentrates minerals inaccessible to all other plants, making it the most complete natural nutritional supplement for menstruating women suffering from deficiencies related to heavy periods. |
Plant extracts are concentrated products. Consult a healthcare professional before use, especially during pregnancy, breastfeeding, medication or chronic illness.