Moringa: Leaf Powder, Tablets, and What the Research Shows

Avoid moringa root and bark entirely, and talk with your doctor before using any moringa during pregnancy. Research describes the root as having abortifacient potential, and an old rat study found leaf extract ended pregnancies too.

What is moringa?

Moringa is a fast-growing tree native to the foothills of the Himalayas in northern India and now grown throughout the tropics and subtropics (Mbikay, Frontiers in Pharmacology, 2012). Its common names describe its parts: drumstick tree for the long, thin seed pods, horseradish tree for the sharp taste of its ground root, and ben oil tree for the oil pressed from its seeds (Stohs and Hartman, Phytotherapy Research, 2015). It is also widely known as malunggay.

People eat the leaves and the young pods as vegetables, and in many regions the leaves are a basic, everyday green valued for their nutrition. Traditional medicine has used nearly every part of the tree, from leaves and flowers to seeds, bark and roots. In parts of Africa, moringa is widely used for self-care by people living with diabetes or high blood pressure (Mbikay, 2012).

Moringa leaf nutrition

Analyses of moringa leaves show they are notably rich in potassium, calcium, phosphorus and iron, with vitamin A precursors (beta-carotene), vitamin C, and a full set of essential amino acids (Mbikay, 2012). The leaves also carry flavonoids, phenolic acids and glucosinolates, the same family of sulfur compounds found in broccoli (Stohs and Hartman, 2015).

Two practical points matter. First, drying concentrates nutrients by weight, so a spoonful of powder holds more than the same spoonful of fresh leaves. Second, a single 400 mg capsule is a very small amount of leaf. As a green food, moringa sits alongside spirulina, chlorella and barley grass, other green powders people stir into smoothies and meals.

What does the research show?

Blood sugar and cholesterol. Early human studies in India used leaf powder in tablet form and reported encouraging changes. In one, 46 people with type 2 diabetes took 8 g of leaf powder daily for 40 days, and by the end their fasting blood sugar was 28% lower, with LDL cholesterol 29% lower than the comparison group. Another gave 4.6 g a day for 50 days and saw only small cholesterol changes (both summarized by Stohs and Hartman, 2015). A key weakness: none of these early trials was randomized and double-blind (Mbikay, 2012).

Better-designed trials have been less impressive. A 2025 meta-analysis of nine randomized trials (649 adults) found no significant effect on most measures of weight, blood sugar, cholesterol or blood pressure. A modest drop in diastolic blood pressure did not hold up in sensitivity checks, and the authors rated the certainty of all the evidence as very low (Crișan et al., Nutrients, 2025).

Breast milk supply. Moringa leaf is a traditional galactagogue, a food used to help milk production. A 2025 systematic review of eight short trials (3 to 10 days) reported more milk and higher prolactin with moringa leaf (Ammar et al., Foods, 2025). Results are not uniform: a Thai trial of 88 new mothers taking 900 mg a day found more milk in the moringa group, but the difference was not statistically significant (Fungtammasan and Phupong, 2022). A Cochrane review of galactagogues rated the overall evidence for this whole category as low to very low certainty (Foong et al., 2020). Talk with a lactation consultant before relying on it, and see the pregnancy caution above.

Everything else. Moringa leaf extracts show antioxidant, liver-protective and immune-modulating effects in lab and animal studies, but these have not been tested well in people (Stohs and Hartman, 2015).

Moringa tablets vs powder vs tea

If you choose capsules, read the label for the amount of leaf per serving and whether the product is leaf only. Start with a small amount of any form.

Moringa side effects and safety

Moringa leaves have a long history as food, and no adverse effects were reported in the human studies reviewed by Stohs and Hartman (2015). Animal studies of leaf extracts found a wide margin of safety at ordinary doses. Still, keep these points in mind:

• Root and bark: the root bark contains an alkaloid, moringinine (Mbikay, 2012), and moringa root is noted in research for its abortifacient potential (Ghosh et al., Journal of Traditional and Complementary Medicine, 2021). Do not use root or bark products.
• Pregnancy: a 1988 rat study found that leaf extract given early in pregnancy caused pregnancy loss at 175 mg per kg of body weight a day (Sethi et al., Ancient Science of Life, 1988). Human data are lacking, so avoid concentrated moringa while pregnant unless your provider approves.
• Diabetes and blood pressure medicines: because moringa is studied for lowering blood sugar and blood pressure, check with your doctor if you take medicine for either, and watch your numbers.
• Product quality: standardization is a known problem with moringa products (Stohs and Hartman, 2015), so choose brands that state the plant part and amount.

Find it at William's

We carry moringa in every common form, so you can match it to how you plan to use it:

• Now organic moringa 400 mg, 90 veg capsules: organic moringa leaf in capsules, for convenience.
• Starwest organic moringa leaf powder, sold by weight: the practical choice for gram-level amounts in smoothies, soups and sauces. Buy a little to try the taste.
• Starwest organic moringa leaf, cut and sifted, sold by weight: dried leaf for brewing tea.
• Bio Nutrition Moringa Superfood: listed in several sizes, including capsules and a 300 g powder.

Frequently Asked Questions