Almost every part of the moringa tree is sold or eaten somewhere, from the leaves to the roots and bark. They are 4 different materials with 4 different safety profiles.
Our capsule contains 1 of them, the leaf.
Quick Answer: Which Part of Moringa Is Safe?
The leaf, eaten as food, has the best safety record, and it is the part in our capsule. Seeds are about 19% protein and 31% fat, with no human pharmacology studies by 2016. Bark has a recorded use as an abortifacient, and root extract had antifertility effects in rats. Avoid both in pregnancy.
Key Takeaways
- Our capsule contains 1 part of the tree only, the dried leaf.
- Seeds average 19% protein and 31% fat, a different food entirely.
- A 2016 review found 0 human pharmacology studies of the seeds.
- Root extract showed estrogenic and antifertility effects in 1 rat study.
- For breastfeeding, Cochrane rated 27 natural galactagogue studies very low certainty.
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The Parts, Side by Side
This table is the page in brief. Everything after it explains 1 row.
| Part | What it is | Evidence and caution |
|---|---|---|
| Leaf | The part in our capsule, eaten as a vegetable | Most human trials used it |
| Pods | Eaten as a vegetable, the drumsticks | A food, not a supplement form |
| Seed | About 19% protein and 31% fat | 0 human pharmacology studies by 2016 |
| Root | Estrogenic and antifertility in rats | Avoid in pregnancy |
| Bark | Recorded use as an abortifacient | Avoid in pregnancy |
Leaves and immature pods are the parts used as food in human nutrition.[1]Review of the Safety and Efficacy of Moringa oleifera — Phytotherapy Research (2015) View source The benefits case sits in what the leaf offers overall.
Why the Capsule Uses Leaf
Leaf is the part with the most human data, the best safety record and the most nutrients per gram.
- Human trials: Mostly dry leaf powder, alone or in food.
- Safety: No adverse effects reported in human studies to 2015.
- Nutrients: Calcium, iron and riboflavin, per 100 g.
- Scale: 1 g per capsule, so the amounts are modest.
A 2020 review found human trials mainly tested dry leaf powder, alone or mixed into food.[2]Potential of Moringa oleifera to Improve Glucose Control: A Systematic Review of Animal and Human Studies — Nutrients (2020) View source
Moringa Seeds
Seeds are a different food: fattier, more bitter and far less studied in people.
- Composition: About 19% protein and 31% fat on average.
- Human pharmacology: 0 studies, as of a 2016 review.
- Taste: Bitterness limits how much people accept.
- Seed oil: A cooking and cosmetic product, not a leaf supplement.
The 2016 review noted that no pharmacological study of seeds or oil had been run in humans.[3]Moringa oleifera Seeds and Oil: Characteristics and Uses for Human Health — International Journal of Molecular Sciences (2016) View source The composition figures come from a 2019 review of seed uses.[4]Treatments and uses of Moringa oleifera seeds in human nutrition: A review — Food Science and Nutrition (2019) View source
For comparison, the leaf's nutrient content is worked out per capsule.
The Water-Clearing Seed
Crushed seeds are famous for clarifying water, and that claim was tested in real homes.
- The trial: 126 families in rural South India, over 6 months.
- Seeds: Did not reduce coliform bacteria in home water.
- Chlorine: Brought counts down to drinkable levels.
- Lesson: Clearer water is not the same as safe water.
Neither the seeds nor closed containers reduced coliform counts in that randomized trial, and chlorine did.[5]Point-of-use interventions to decrease contamination of drinking water: a randomized, controlled pilot study — American Journal of Tropical Medicine and Hygiene (2010) View source
Root and Bark: The Pregnancy Hazard
These are the parts behind the pregnancy warning on moringa labels.
- Bark: Recorded use as an abortifacient, causing violent contractions.
- Root: Estrogenic, antiprogestational and antifertility in rats.
- Labels: Check that a product states leaf, not root or whole plant.
- Ours: Leaf only, 1000 mg per capsule.
The 1978 forensic report recorded fatal outcomes from powdered bark.[6]Powder microscopy of bark, a poison used for abortion: Moringa pterygosperma — Journal of Indian Forensic Science (1978) View source Root extract disrupted a uterine response in 50% of rats at the highest dose.[7]Antifertility profile of the aqueous extract of Moringa oleifera roots — Journal of Ethnopharmacology (1988) View source That is why leaf-only moringa capsules state the part on the label.
Leaf in Pregnancy and Breastfeeding
Leaf as food is common in pregnancy where the tree grows, but the evidence is observational.
- Pregnancy: 230 fresh-leaf eaters had 0.90 g/dl more haemoglobin.
- Study type: Cross-sectional, so not proof of cause.
- Breastfeeding: Low to very low certainty for milk volume.
- Milk vitamin A: Unchanged at 20 g a day for 3 months.
The Ethiopian study compared 230 consumers with 230 non-consumers and called for rigorous trials.[8]The Effect of Fresh Moringa Leaf Consumption During Pregnancy on Maternal Hemoglobin Level in Southern Ethiopia — International Journal of Women's Health (2023) View source Cochrane rated the natural galactagogue evidence, moringa included, very low certainty.[9]Oral galactagogues for increasing breast milk production in mothers of non-hospitalised term infants — Cochrane Database of Systematic Reviews (2020) View source
LactMed reports no serious short-term effects in mothers or infants, but flags a possible clotting effect.[10]Moringa, Drugs and Lactation Database (LactMed) — National Library of Medicine View source So no moringa supplement, ours included, is something to start while breastfeeding without advice.
Estrogen and Fertility Questions
These questions come from the root data, and they are often applied to the leaf by mistake.
- Root extract: Estrogenic in ovariectomised rats, in 1 study.
- Leaf: No human data showing an estrogen effect.
- Trying to conceive: Root and bark are the parts to avoid.
- Leaf while trying: Ask your clinician, because data are absent.
Interactions and every other caution are collected on the full safety page.
Speak to a Clinician Before Taking Moringa If
- You are pregnant, trying to conceive or breastfeeding
- You take metformin, insulin or another glucose-lowering medicine
- You take levothyroxine or are being treated for a thyroid condition
- You take blood pressure medicine, or are at high risk of blood clots
- You have reacted to moringa leaves before, with a rash, swelling or wheeze
Frequently Asked Questions
Is it good to eat moringa seeds every day? +
There is no human evidence either way. A 2016 review found 0 pharmacology studies of the seeds in people.
How to use moringa seed? +
Mostly as food: defatted seed flour in baked goods, or pressed oil. Seeds are about 31% fat, so they are not a leaf substitute.
Can I eat moringa seeds raw? +
People do, but they are bitter and untested as a supplement in humans. We found 0 trials of raw seed intake.
Can I take moringa while trying to get pregnant? +
Avoid root and bark, which carry antifertility and abortifacient records. For leaf, 0 trials exist, so ask your clinician.
Does moringa raise estrogen? +
Root extract acted like estrogen in 1 rat study. There is no human evidence that the leaf raises estrogen.
How quickly does moringa work for milk supply? +
In mothers of preterm babies, LactMed reports larger increases on days 2 and 3 than on day 1. Certainty is low.
Is moringa better than fenugreek for lactation? +
Unknown. Cochrane found only 1 small study per head-to-head comparison, so it could not say which works better.
Are there any side effects of consuming moringa while breastfeeding? +
LactMed reports no serious short-term effects in mothers or infants, with 1 caution: moringa may stimulate blood clotting.
Is moringa bark ever safe? +
Not in pregnancy. A 1978 report describes powdered bark causing violent uterine contractions with fatal results.
Are moringa pods the same as the leaf? +
No. Pods, the drumsticks, are eaten as a vegetable. Our capsule contains 1 part, the dried leaf.
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