Moringa: benefits, dosage, contraindications

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Moringa oleifera, nicknamed "miracle tree", is a tropical plant native to India, but today cultivated in many warm regions around the globe, notably in Africa and Latin America. This fast-growing tree is valued for its drought resilience and its ability to adapt to various soil types. The leaves, often used in powdered form, have an exceptional nutritional profile, while the seeds, pods and bark are used in various medicinal applications. In traditional medicine, every part of the tree is used to treat a range of ailments from inflammation to nutritional deficiencies. Moringa leaves are particularly rich in essential nutrients, containing protein, vitamins (A, C, and the B group), calcium, potassium, and powerful antioxidants such as flavonoids and polyphenols. The seeds contain essential fatty acids and active compounds like isothiocyanate, recognized for its antimicrobial properties. Moringa is used in herbal medicine for its antioxidant, anti-inflammatory, and immunomodulatory properties. It is also prized for its potential to reduce blood glucose and cholesterol levels, as well as for its applications in combating malnutrition. Dried leaves are often consumed as infusions or incorporated into dishes, while the oil extracted from the seeds is used in cosmetics.
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Other name(s) 

Tree of life

Scientific name(s)

Moringa oleifera

Family or group: 

Plants

Active ingredients:

Magnesium

Calcium

Potassium

Iron

Vitamin A

Vitamin C


Indications

Scoring methodology

EFSA approval.

Several randomized, double-blind, controlled clinical trials (> 2), including a significant number of patients (>100), with consistently positive conclusions for the indication.
Several randomized, double-blind, controlled clinical trials (> 2), including a significant number of patients (>100), with positive conclusions for the indication.
One or more randomized studies, or several cohorts or epidemiological studies, with positive conclusions for the indication.
Clinical studies exist but are uncontrolled, with conclusions that may be positive or conflicting.
No clinical studies to date that can demonstrate the indication.


Dyslipidemia
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Preliminary clinical studies show that consumption of moringa leaf powder (8 g per day for 40 days) may reduce total cholesterol, LDL, and triglyceride levels in patients with dyslipidemia, while increasing HDL levels. However, the validity of these findings is limited by the lack of statistical comparison with a control group.

Posologie

posologieOral: leaf

posologie8 g

formulationpowder


Type 2 diabetes
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In patients with type 2 diabetes, studies show that taking moringa leaf powder (8 g per day for 40 days) may reduce fasting and postprandial blood glucose. However, these results are often accompanied by a low-calorie diet, making it difficult to attribute the effects solely to moringa.

Posologie

posologieOral: leaf

posologie8 g

formulationpowder


Child development
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A clinical trial in Indonesia suggests that consumption of moringa powder (500 mg per day for 3 months) by pregnant women reduces stunted growth in children aged 36 to 42 months. These results, however, are influenced by differences in the formulations used (powder vs extract).

Posologie

posologieOral: leaf

posologie500 mg

formulationpowder


Anemia
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Among pregnant women with anemia, biscuits enriched with moringa leaf powder (5.6 g per day for 60 days) increase hemoglobin by 1 g/dL, compared with an increase of 0.66 g/dL with iron supplement alone, according to a study conducted in Indonesia.

Posologie

posologieOral: leaf

posologie5.6 g

formulationpowder


Lactation
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A meta-analysis of three clinical trials shows that taking moringa leaf capsules (250 to 350 mg twice daily) increases breast milk volume by about 120 mL per expression at the end of the first postpartum week, although the clinical significance is limited by the short duration of the studies.

Posologie

posologieOral: leaf

posologie500 mg

formulationpowder


Properties


Antioxidant

full-leaffull-leaffull-leafempty-leaf

Moringa owes its antioxidant properties to its richness in polyphenols, flavonoids (such as quercetin) and ascorbic acid (vitamin C). These compounds neutralize the free radicals responsible for oxidative stress. In vitro studies indicate that moringa leaf extracts trap superoxide radicals, prevent lipid membrane peroxidation, inhibit oxidation of rat liver microsomes, and slow the peroxidation of linoleic acid and lipids. The leaves also increase the activity of antioxidant enzymes such as superoxide dismutase and catalase.rnrn


Hypoglycemic

full-leaffull-leafempty-leafempty-leaf

Moringa leaves act as hypoglycemics by inhibiting digestive enzymes such as alpha-glucosidase, delaying the absorption of sugars in the intestine. In addition, active compounds such as isothiocyanate stimulate insulin secretion and improve peripheral tissue sensitivity to glucose. These effects contribute to better glycemic control, particularly in the context of type 2 diabetes.rnrn

Usages associés

Type 2 diabetes

Galactogenic

full-leaffull-leafempty-leafempty-leaf

The galactogenic property of moringa is attributed to its richness in phytosterols, which promote the production of prolactin, the key hormone of lactation. This effect has been confirmed by clinical studies that show a significant increase in milk production in breastfeeding women consuming leaf extracts.rnrn

Usages associés

Lactation

Antibacterial

full-leaffull-leafempty-leafempty-leaf

Moringa seeds and leaves contain isothiocyanates and active peptides that act as antimicrobial agents. These compounds disrupt bacterial membranes and inhibit the proliferation of pathogens such as Staphylococcus aureus and Escherichia coli. Moringa extracts show marked antibacterial activity by inhibiting essential bacterial metabolic pathways.rnrn


Safe dosage

Adult: 6 g - 10 g (powder)

Moringa leaves are generally used as powders or extracts in doses of 6 to 10 g per day.