What is Turmus?

Turmus is the seed of the white lupin bean, Lupinus albus. It is also called white lupin. In Persian and Unani practice it is a single drug, used on its own rather than in a mix.

Healers gave it for worms in the gut, weak digestion and skin rashes. Today most people meet it as a salty snack bean, as lupin flour, or as a protein powder. The seed is high in protein and fibre and low in starch.

Here is the short verdict. Turmus has a long, wide record of use, but old use is not proof that a remedy works. Good human trials of turmus as a medicine are thin on the ground.

Raw bitter seeds are not safe to eat. They must be soaked and rinsed first. Turmus can also clash with some drugs, and some people must skip it, so read the safety part below.

How does Turmus work?

Most of what turmus may do comes from the make-up of the bean, not from a drug-like action.

The seed is about two fifths protein. It is high in fibre and low in starch. That mix may blunt the rise in blood sugar after a meal and may help you feel full for longer.

Lab work points at one seed protein, conglutin gamma, as the part that may act on blood sugar. This is early work. It has not been shown to hold up in people.

Bitter lupin seeds also hold bitter plant chemicals that can be toxic. One of them, sparteine, can slow or upset the heartbeat. Soaking, rinsing and cooking wash most of them out, which is why the old texts always say to soak the seed first.

What forms does Turmus come in?

Turmus comes in a few simple forms.

The most common is the whole cooked bean, soaked in salt water and sold as a snack. Lupin flour is used in bread and pasta. Lupin protein powder is sold as a food supplement.

Old Unani texts also used a water soak of the seed, and a paste of ground seed put on the skin. Dried raw seed is sold for home soaking. That form needs care, because it is bitter and unsafe until it has been soaked and rinsed well.

Where it comes from:

Turmus is one of the oldest farmed beans around the Mediterranean.

Greek and Roman writers, including Dioscorides, wrote about lupin for worms and for skin trouble. Egyptian growers have used it for thousands of years. Persian and Unani writers took up the same uses and kept them in the books for centuries.

In Unani terms the seed was read as hot and dry, and given to clear the gut. It stayed a cheap food for poor households in many countries, which kept the use alive.

What does Turmus help with?

• Blood sugar control as part of a meal: This is the most studied use, and the evidence is still weak. The bean is high in protein and fibre and low in starch, so it may blunt the sugar spike after a meal. Small trials of lupin protein and lupin flour have been run, but the results are mixed and the studies are small. Treat turmus as a helpful food swap, not as a treatment for diabetes.
• High cholesterol: Lupin protein has been tested for lowering cholesterol, mostly in small, short studies. Any effect looks modest and may come from swapping out other foods. There is not enough good evidence to recommend turmus for this.
• Constipation and sluggish digestion: The bean is high in fibre, and fibre helps stools stay soft. This is a general food effect, shared with beans and lentils. No trial has tested turmus on its own for constipation.
• Feeling full and weight control: Protein and fibre both help you feel full. Some small studies of lupin foods report less hunger at the next meal. Whether that leads to real weight loss over months has not been shown.
• Worms in the gut (traditional use): Persian, Unani and Greek texts all used soaked lupin for worms. The bitter chemicals in the seed may be the reason for this old use. No human trial supports it, and worm infection needs proper testing and proper drugs from a doctor.
• Skin rashes and itching (traditional use): Ground seed paste was put on rashes, boils and scaly skin. This is traditional use only. There are no human trials, and lupin on the skin can itself cause an allergic rash in some people.

Which foods are rich in Turmus?

1. Lupini beans in brine: the whole seed, soaked and salted
2. Lupin flour: used in bread, pasta and pancakes
3. Lupin protein powder: a plant protein used in shakes and bars
4. Some gluten free breads: lupin flour is often added

Practical Tips:

Lupin must be named on food labels in many countries because of the allergy risk. Check the label if you react to peanuts.

What are the side effects of Turmus?

• Gas and bloating
• Loose stools or stomach cramps
• Itchy skin, hives or a swollen lip after eating it
• Wheezing or trouble breathing in people with a lupin allergy
• Dry mouth and blurred sight after eating bitter, badly soaked seeds
• A fast, slow or uneven heartbeat after eating bitter, badly soaked seeds
• Feeling sick, shaky or confused after eating bitter, badly soaked seeds

Good to know:

Most people who eat well soaked lupin have no trouble at all. Gas and bloating are the usual complaints. They fade if you start small.

Serious harm has two causes. The first is allergy. Lupin is a known food allergen and can cause a severe, whole body reaction that closes the airway.

The second is eating bitter seeds that were not soaked enough. This is called lupin poisoning. It is rare, but cases and deaths have been reported.

If the bean still tastes bitter, spit it out. Throw the whole batch away.

How much Turmus should you take?

• Recommended daily: There is no set medical dose for turmus. It is used as a food. As a snack, people eat about 30 to 60 grams of soaked, cooked beans, which is a small bowl. Lupin flour is usually used at 10 to 25 grams a day, baked into bread or stirred into a dish. Start low if you are new to it. A small handful for a few days lets your gut settle in.
• Best time of day: With a main meal. If you hope for a steadier blood sugar, eat it with the meal that has the most starch in it.
• With or without food: Take it with food, or as part of the meal itself. This cuts down on gas and bloating.
• Time to effect: Any effect on blood sugar after a meal happens the same day. Changes in bowel habit often show up within a week. Changes in cholesterol, if they come at all, take several weeks.
• How long to take it: Turmus is a food, so it can be part of your normal diet long term. If you are using it for a goal, such as steadier blood sugar, give it about eight weeks and then take stock. If nothing has changed by then, it is not doing much for you.