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Halim Seeds for Iron: Benefits, How to Eat, Dosage and Side Effects

Halim seeds (garden cress, aliv, Lepidium sativum) are one of the richest plant sources of iron in Indian food: about 17.2 mg of iron per 100 g, according to the Indian Food Composition Tables 2017. That is roughly six times more than spinach (2.95 mg) and more than 20 times more than beetroot (0.76 mg) or pomegranate (0.31 mg). They also give protein (about 23 g per 100 g) and calcium, and Ayurveda has long used them to rebuild strength after childbirth.

How to take: soak 1 teaspoon (about 5 g) overnight in water or milk and eat it in the morning, with lemon or another vitamin C food.
Why lemon: vitamin C can more than double the absorption of plant iron.
Avoid: during pregnancy. Ask your doctor first if you have a thyroid problem.
Be realistic: 1 teaspoon gives about 0.9 mg of iron, a useful top-up but not a cure. Diagnosed anaemia usually needs iron tablets prescribed by a doctor.

Halim Seeds for Iron

Medically reviewed by: Dr. Arun Jharwal, BAMS, MD (Ayurveda)

Halim Seeds at a Glance

Feature	Details
Botanical name	Lepidium sativum L.
Family	Brassicaceae (mustard family)
Common names	Halim, Aliv, Chandrasur (Hindi/Marathi); Garden cress (English); Chandrashura (Sanskrit)
Look	Tiny reddish-brown seeds, about the size of mustard seeds; turn gel-like when soaked
Iron	17.2 mg per 100 g (IFCT 2017)
Protein	23.4 g per 100 g
Calcium	318 mg per 100 g
Potency in Ayurveda	Ushna (hot)
Usual amount	1 teaspoon (about 5 g) a day
Cost	Very cheap; a month’s supply usually costs less than a cup of coffee

Iron Deficiency in India: Why It Matters

Anaemia is one of India’s biggest nutrition problems. According to the National Family Health Survey (NFHS-5, 2019–21), 57% of women aged 15–49 and 67% of children aged 6–59 months are anaemic, and the numbers rose compared with NFHS-4. Iron deficiency is the most common cause.

Common signs of low iron

Constant tiredness and weakness
Breathlessness on climbing stairs
Pale skin, inner eyelids or nails
Hair fall and brittle or spoon-shaped nails
Headaches, dizziness and poor concentration
Cold hands and feet
Craving to eat ice, mud or chalk (pica)

Daily iron needs (ICMR-NIN 2020)

Group	Recommended iron per day
Adult men	19 mg
Adult women (menstruating)	29 mg
Pregnant women	27 mg (plus supplements as advised)
Breastfeeding women	23 mg

These amounts are high because Indian diets are mostly plant-based, and the body absorbs plant iron poorly. That is why both what you eat and how you eat it matter.

Halim vs Spinach, Beetroot and Pomegranate: The Real Iron Numbers

Popular “iron foods” are not always iron-rich. Here are the values from the Indian Food Composition Tables 2017 (ICMR-NIN), per 100 g of edible portion.

Food	Iron (mg per 100 g)	Notes
Halim seeds (garden cress)	17.2	Among the highest plant sources; eaten in small amounts
Til (sesame seeds)	13.9	Also rich in calcium
Soybean	8.29	Good protein too
Masoor dal	7.06	Easy everyday source
Rajma	6.13
Chana (Bengal gram)	6.08
Methi (fenugreek) leaves	5.69	Best of the common leafy greens
Chaulai (amaranth) leaves	4.64
Gur (jaggery)	4.63	Mostly sugar; eat in small amounts
Dates	3.2
Palak (spinach)	2.95	High oxalate reduces absorption
Amla	1.25	Low iron, but very rich in vitamin C, which helps absorption
Chukandar (beetroot)	0.76	Low in iron despite its red colour
Anar (pomegranate)	0.31	Very low in iron

Why spinach is not the iron hero

Spinach does contain iron, but it is also rich in oxalate, which binds iron in the gut and blocks most of it from being absorbed. Spinach is still a healthy vegetable; it is simply not the best food to fix low iron.

The “100 mg iron” claim

Many websites say halim seeds contain 100 mg of iron per 100 g. That figure comes from older food tables. The latest Indian Food Composition Tables (2017) list 17.2 mg, and other lab analyses report values between about 8 and 17 mg, far below 100 mg. Halim is still an excellent plant source of iron, but 17.2 mg is the honest number.

Heme vs non-heme iron

Iron from meat, fish and eggs (heme iron) is absorbed far better than iron from plants (non-heme iron). All the foods above, including halim, contain non-heme iron, so pairing them with vitamin C is especially important for vegetarians.

How to Absorb More Iron From Halim (and Other Plant Foods)

Eating iron is only half the job; your body has to absorb it. These simple habits make a big difference:

Add vitamin C at the same meal. Lemon juice, amla, guava, orange, tomato or green chutney can more than double the absorption of plant iron. Amla (252 mg vitamin C per 100 g) and guava (214 mg) are especially rich.
Keep tea and coffee away from meals. Their tannins and polyphenols can cut iron absorption sharply. Drink them at least 1 hour before or after an iron-rich meal.
Do not take calcium with iron. Calcium tablets and large amounts of milk can reduce iron absorption; take iron-rich foods and calcium at different times.
Soak, sprout or ferment. Soaking halim, sprouting moong and fermenting idli or dosa batter reduce phytate, which otherwise blocks iron.
Cook in an iron kadai. Cooking sour or wet dishes in cast iron adds a small amount of usable iron to food.

The Ayurvedic View: Chandrashura

In Ayurveda, halim is called Chandrashura (Chandrasur in Hindi). It is best known as a strength-building food for new mothers, given as aliv laddoo or kheer after delivery.

Properties of Chandrashura

Rasa (taste): Katu (pungent), Tikta (bitter)
Guna (qualities): Laghu (light), Snigdha (unctuous), Picchila (slimy, because of its mucilage)
Virya (potency): Ushna (hot)
Vipaka (post-digestive effect): Katu (pungent)
Dosha effect: balances Vata and Kapha; can increase Pitta in excess
Key actions: Balya (gives strength), Pushtivardhana (nourishing), Stanyajanana (supports breast-milk production), Vatahara (calms Vata)
Traditional uses: weakness after childbirth (Sutika), back and joint pain from Vata, hiccups, loose stools and as a general tonic

Why it is given after childbirth

After delivery, Ayurveda sees the body as depleted and Vata as high. Halim is warming, nourishing and Vata-calming, and it supports milk supply, so it is cooked with ghee, jaggery, coconut and dry fruits into laddoos for new mothers. Its iron, protein and calcium fit this traditional use well.

Benefits of Halim Seeds

1. Supports iron levels and anaemia prevention

With 17.2 mg of iron per 100 g, halim is one of the most iron-dense foods in the Indian kitchen. A few small Indian studies in anaemic adolescent girls and women found that daily halim-based foods such as laddoos raised haemoglobin modestly over several weeks. These studies were small and mostly lacked a proper control group, so halim should be seen as a useful dietary support, not a treatment for diagnosed anaemia.

2. Post-delivery recovery and breast milk

Ayurveda gives halim to new mothers for strength and to support milk supply. Animal studies support a galactagogue (milk-boosting) effect, but human data are limited.

3. Plant protein and calcium

With about 23 g of protein and 318 mg of calcium per 100 g, halim adds useful nutrition to vegetarian diets, though the small daily serving limits how much it contributes.

4. Digestion and constipation

When soaked, halim seeds form a soft gel (mucilage) that adds bulk and can ease constipation. Drink enough water when you eat them.

5. Other traditional and lab findings

Lab and animal studies report anti-inflammatory, bone-healing, blood-sugar-lowering and bronchodilator effects of halim extracts. These are early findings and have not been confirmed in people.

Evidence summary

Benefit	Type of evidence
High iron content	Food composition data (IFCT 2017)
Raising haemoglobin	Small, mostly uncontrolled human studies
Breast-milk support	Traditional use, animal studies
Constipation relief	Traditional use, fibre and mucilage content
Bone healing, blood sugar, asthma	Animal and lab studies

How to Eat Halim Seeds

1. Soaked in lemon water (best for iron)

Soak 1 teaspoon of halim seeds in half a glass of water overnight. They will swell into a soft gel.
In the morning, add the juice of half a lemon and drink it.

The lemon’s vitamin C helps your body absorb the iron. This is the best everyday method if your goal is iron.

2. Soaked in milk (traditional)

Soaking halim in warm milk overnight is a traditional method, especially for new mothers and children. Note that the calcium in milk can reduce iron absorption, so if iron is your main goal, prefer lemon water and have milk at another time.

3. Halim (aliv) laddoo recipe

Makes about 12 small laddoos.

You need:

½ cup halim seeds
1 cup grated fresh coconut (or ¾ cup desiccated coconut)
¾ cup grated jaggery
2 tablespoons ghee
2 tablespoons chopped almonds or cashews
¼ teaspoon cardamom powder

Method:

Soak the halim seeds in ½ cup water (or coconut water) for 1–2 hours until they swell.
Mix the soaked seeds with coconut and jaggery and leave for 15 minutes.
Heat the ghee in a heavy kadai, add the mixture and cook on low heat, stirring often, for 15–20 minutes until it thickens and leaves the sides of the pan.
Add the nuts and cardamom, cool slightly and shape into small laddoos while warm.
Store in the fridge and eat within a week. One laddoo a day is enough.

Pair the laddoo with a vitamin C food such as a guava, an orange or amla for better iron absorption.

4. Other easy ways

Sprinkle soaked seeds into smoothies, buttermilk or curd.
Add soaked seeds to kheer or porridge.
Grow them as microgreens on wet cotton in 3–4 days and add the sprouts to salads and sandwiches.

Best time to eat them

Morning, preferably on an empty stomach or with breakfast, along with a vitamin C food. Keep tea and coffee at least an hour away.

Dosage

Form	Usual amount
Soaked seeds (adults)	1 teaspoon (about 5 g) a day
Halim laddoo	1 small laddoo a day
Children over 5 years	½ teaspoon a day, or half a laddoo
Microgreens	A handful in salads

At 1 teaspoon a day, halim gives about 0.9 mg of iron. Use it as part of an iron-rich diet, not as the only source.

Side Effects and Who Should Avoid Halim Seeds

In food amounts, halim is safe for most people. Problems usually come from large amounts or specific conditions.

Possible side effects

Bloating, gas or loose stools when you start, or if you eat too much
Constipation or choking risk if dry seeds are swallowed without enough water; always soak them first
Heat in the body (acidity, mouth ulcers) in people with high Pitta, because halim is Ushna (hot)
Allergy (rare), especially in people allergic to mustard-family plants

Who should avoid it

Pregnant women: halim seeds have been used traditionally in large doses to induce abortion, and they can stimulate the uterus. Avoid them during pregnancy; they are traditionally given only after delivery.
Women trying to conceive should avoid large or regular medicinal doses.

Who should ask a doctor first

People with thyroid problems (especially hypothyroidism): like other mustard-family seeds, halim contains glucosinolates, which in large amounts may interfere with thyroid hormone production.
People on blood pressure or diabetes medicines: animal studies suggest halim may lower blood pressure and blood sugar.
People with very low blood pressure.
People with kidney or bowel problems, or anyone with difficulty swallowing.
Children under 5: ask a paediatrician before giving.

When Food Is Not Enough: Get Tested

Food can prevent iron deficiency and support recovery, but it rarely fixes established anaemia on its own. If you have symptoms of low iron, get a simple blood test.

Tests to ask for

Haemoglobin (CBC): anaemia is usually diagnosed when haemoglobin is below 12 g/dL in non-pregnant women, below 13 g/dL in men, and below 11 g/dL in pregnant women.
Serum ferritin: shows your body’s iron stores; it falls before haemoglobin does.

When to see a doctor

Haemoglobin is low, or symptoms such as breathlessness, palpitations or fainting appear
Very heavy periods, black stools, or blood in stool or urine
Pregnancy, or planning a pregnancy
Anaemia that does not improve after 2–3 months of diet changes

Doctors usually prescribe iron tablets (and folic acid in pregnancy) for diagnosed iron-deficiency anaemia. Halim and other iron-rich foods work well alongside this treatment and help prevent the problem from coming back.

Myths vs Facts

Myth	Fact
Spinach is the best food for iron.	Spinach has 2.95 mg of iron per 100 g, and its oxalate blocks much of it. Halim (17.2 mg), til, dals and methi leaves are better.
Beetroot and pomegranate build blood.	They are healthy, but low in iron: 0.76 mg and 0.31 mg per 100 g.
Halim seeds have 100 mg of iron per 100 g.	That figure is from older tables. The Indian Food Composition Tables 2017 list 17.2 mg.
One spoon of halim can cure anaemia.	1 teaspoon gives about 0.9 mg of iron. It helps, but diagnosed anaemia usually needs iron tablets.
Halim is safe in pregnancy because it is given to new mothers.	It is given after delivery. During pregnancy it should be avoided, as it can stimulate the uterus.
Drinking tea with an iron-rich breakfast is fine.	Tea and coffee can sharply cut iron absorption. Keep them at least an hour away.

Scientific Research and Data Sources

Halim has strong nutrition data but limited clinical research. The sources below support this article.

Iron and nutrient values: halim (garden cress) seeds contain 17.2 mg iron, 23.4 g protein and 318 mg calcium per 100 g. Longvah T et al. Indian Food Composition Tables 2017, National Institute of Nutrition (ICMR), Hyderabad. Summary table
Comparison foods: spinach 2.95 mg, beetroot 0.76 mg, pomegranate 0.31 mg, methi leaves 5.69 mg and jaggery 4.63 mg of iron per 100 g. Indian Food Composition Tables 2017. Leafy vegetables · Fruits · Roots and tubers
Review of garden cress seeds: describes the seeds as a rich source of non-heme iron used to help anaemia, a galactagogue for nursing mothers, an abortifacient in excess (to be avoided in pregnancy), and a source of goitrogens that may affect the thyroid. Singh CS, Paswan VK, Naik B, Reeta. Indian Journal of Natural Products and Resources, 2015; 6(3): 167–175. Read (PDF)
Anaemia in India: 57% of women aged 15–49 and 67% of children aged 6–59 months were anaemic. National Family Health Survey (NFHS-5), 2019–21, Ministry of Health and Family Welfare.
Daily iron needs: recommended dietary allowances for Indians. ICMR-NIN Nutrient Requirements for Indians, 2020.

Frequently Asked Questions (FAQs)

What are halim seeds called in English?

Garden cress seeds. They are also called aliv (Marathi), chandrasur (Hindi) and asaliya, and the botanical name is Lepidium sativum.

How much iron is in halim seeds?

About 17.2 mg per 100 g, according to the Indian Food Composition Tables 2017. One teaspoon (about 5 g) gives roughly 0.9 mg.

Are halim seeds better than spinach for iron?

Yes. Halim has about six times more iron than spinach per 100 g, and spinach’s oxalate blocks much of its iron from being absorbed.

How should I eat halim seeds for iron?

Soak 1 teaspoon overnight in water, add lemon juice in the morning and drink it. The vitamin C in lemon helps absorption.

Can I eat halim seeds with milk?

Yes, it is a traditional method. But milk’s calcium can reduce iron absorption, so if iron is your goal, lemon water is better.

How much halim should I eat per day?

1 teaspoon (about 5 g) a day is enough for most adults. Children over 5 can have half a teaspoon.

How long does halim take to increase haemoglobin?

Food-based iron works slowly. Small studies saw modest increases over several weeks to a few months. If your haemoglobin is low, get it rechecked after 2–3 months.

Can halim seeds cure anaemia?

They can help prevent and support recovery from mild iron deficiency, but diagnosed anaemia usually needs iron tablets from a doctor.

Can pregnant women eat halim seeds?

No. Halim seeds can stimulate the uterus and have been traditionally used to cause abortion in large doses. They are given only after delivery.

Why are halim laddoos given after delivery?

Ayurveda uses them to rebuild strength, calm Vata and support breast-milk production in new mothers. They are also rich in iron, protein and calcium.

Are halim seeds good for hair?

Iron and protein deficiency can cause hair fall, so halim may help if your hair fall is linked to low iron. There is no direct evidence that it grows hair.

Can people with thyroid problems eat halim?

Ask your doctor first. Halim contains goitrogens, which in large amounts may affect the thyroid, especially in hypothyroidism.

Can halim seeds be eaten raw?

It is better to soak them first. Dry seeds can be hard to digest and may stick in the throat.

What do soaked halim seeds look like?

They swell and get a clear, jelly-like coating, similar to soaked sabja or chia seeds.

Halim vs sabja vs chia seeds: which is best for iron?

Halim is the best for iron among the three. Chia is richer in omega-3 fats, and sabja is mainly used as a cooling drink.

Can children eat halim seeds?

Yes, children over 5 can have half a teaspoon soaked, or half a laddoo. Ask a paediatrician for younger children.

Do halim seeds cause weight gain?

The seeds alone are low in calories at a teaspoon a day. Laddoos made with ghee, jaggery and coconut are calorie-dense, so watch portions.

Which foods help iron absorption from halim?

Lemon, amla, guava, orange, tomato and green chutney, all rich in vitamin C.

What foods should I avoid with iron-rich meals?

Tea, coffee and calcium supplements reduce iron absorption. Keep them at least an hour away.

Where can I buy halim seeds?

They are sold cheaply at grocery and kirana stores as halim, aliv or chandrasur, and online.

Conclusion

Halim seeds are one of the cheapest and richest plant sources of iron in the Indian kitchen. At 17.2 mg per 100 g, they beat spinach, beetroot and pomegranate by a wide margin, and they also bring protein, folate and calcium. Ayurveda has trusted them for centuries to rebuild strength after childbirth.

The key is how you eat them. Soak one teaspoon overnight, take it with lemon or another vitamin C food, and keep tea and coffee away from that meal. Make it a daily habit rather than a one-time remedy.

Remember the limits too. Halim is not for pregnancy, people with thyroid problems should ask their doctor first, and diagnosed anaemia usually needs proper treatment. Use halim seeds as a daily support, and get your haemoglobin checked if symptoms continue.

Medical Disclaimer

This article is for educational purposes only and is not a substitute for professional medical advice, diagnosis or treatment. If you have symptoms of anaemia, are pregnant or breastfeeding, have a thyroid condition or take regular medicines, consult a qualified doctor or Ayurvedic physician before using halim seeds.

Medically reviewed by: Dr. Arun Jharwal, BAMS, MD (Ayurveda)

Sources

Longvah T, et al. Indian Food Composition Tables 2017. National Institute of Nutrition (ICMR), Hyderabad.
Singh CS, Paswan VK, et al. Nutritional and therapeutic potential of garden cress (Lepidium sativum). Indian Journal of Natural Products and Resources, 2015; 6(3):167–175. PDF
International Institute for Population Sciences. National Family Health Survey (NFHS-5), 2019–21: India Fact Sheet. Ministry of Health and Family Welfare.
ICMR-NIN Expert Group. Nutrient Requirements for Indians: Recommended Dietary Allowances and Estimated Average Requirements, 2020.
World Health Organization. Haemoglobin concentrations for the diagnosis of anaemia and assessment of severity. WHO, 2011.