Reviewed by the CapsReview editorial team · Updated October 22, 2026

Ingredient guide

Moringa

Also known as: Moringa oleifera leaf, drumstick tree, horseradish tree

Type
Dose used in studies
Human studies have used a few grams of leaf powder per day
Strength of evidence
Preliminary
Botanical source
Moringa oleifera

Moringa is a nutrient-rich tree leaf eaten as a food in many countries. Small human studies suggest possible effects on blood sugar and cholesterol, but evidence is limited and there is no good evidence for memory benefits.

What is moringa?

Moringa oleifera is a fast-growing tree native to northern India and now cultivated across tropical Asia, Africa and Latin America. Nicknamed the drumstick tree (for its long seed pods) or horseradish tree (for the taste of its roots), it is valued in many regions as a food. Its leaves are rich in protein, vitamins A and C, calcium, potassium, iron and a range of antioxidant compounds, including polyphenols, flavonoids and glucosinolates.

Moringa leaf powder has become a popular “superfood” in Western markets, often promoted for energy, blood sugar and overall wellness.

What the research says

A 2015 review in Phytotherapy Research found that leaf extracts show strong antioxidant activity and that animal safety studies using water-based leaf extracts indicate a high degree of safety. It noted five small human studies using powdered whole leaf, which suggested blood-sugar-lowering and cholesterol-lowering effects. The authors described the results as promising but called for more human studies using standardized extracts, and noted that product standardization is an issue.

Most of the remaining evidence, including reported liver-protective, anti-inflammatory and neuroprotective effects, comes from laboratory and animal research. We found no good human trials showing that moringa improves memory, focus or pineal gland function.

How it’s used in supplements

Moringa is sold as leaf powder, capsules, teas and extracts. Human studies have typically used a few grams of leaf powder per day, amounts that also provide meaningful nutrition. A drop of a multi-ingredient liquid would contain a negligible amount.

Moringa leaf is generally considered safe as a food. Large amounts may cause digestive upset or a laxative effect. Because it may lower blood sugar and blood pressure, people taking diabetes or blood pressure medication should monitor closely and talk to their doctor. Moringa may also affect how the liver processes certain drugs and may interact with levothyroxine. The root and bark contain compounds that may be toxic and have traditionally been associated with miscarriage, so pregnant women should avoid moringa products other than ordinary food use of the leaves, and should check with their doctor even then.

Bottom line: moringa is a nutritious leaf with early evidence for metabolic health, but it is not a proven brain supplement.

If moringa appeals to you, the leaf powder can be stirred into soups, smoothies or sauces. Because it is a food first, buying a reputable leaf powder and using it in cooking is a more transparent way to get its nutrients than a proprietary multi-ingredient formula.

Safety and cautions

Leaves are generally safe as food; large amounts may cause digestive upset. May lower blood sugar and blood pressure; monitor if you take diabetes or blood pressure medication. May interact with levothyroxine and drugs processed by the liver. Root and bark may be toxic and have been linked to miscarriage; pregnant women should avoid moringa supplements.

Talk to your doctor before using any supplement, especially if you are pregnant, nursing, taking medication or managing a health condition.

Supplements we reviewed that contain it

★★☆☆☆

Pineal Guardian review

Pineal Guardian is a liquid supplement with pine bark, ginkgo, bacopa, lion's mane and green superfoods, marketed for memory and pineal heal...

Read review

Sources

This page is for informational purposes and is not medical advice. Dietary supplements are not intended to diagnose, treat, cure or prevent any disease.