Milk Thistle Tea: What Actually Reaches the Cup

Yes, you can drink milk thistle tea, and it fits nicely before dinner. But if you brew it for the silymarin, only a small share of it reaches the cup: silymarin dissolves poorly in water. A standardised extract gives you a defined amount of silymarin. The tea is the ritual, the capsule supplies the number.

Whether the mortar is worth the effort depends on what you want. If it is taste and ritual, yes. If it is a specific amount of silymarin, no. In between sit three questions that numbers can answer: what is in a cup in calculation, how do you brew the tea properly, and when does a capsule make the better choice?

What a cup of milk thistle tea really contains

Milk thistle (Silybum marianum) carries its silymarin in the ripe fruits, which most people call “seeds”. The European Pharmacopoeia requires at least 1.5% silymarin in milk thistle fruit, calculated as silibinin. Steep 3.5 g of fruits and you hold, in calculation, around 52 mg of silymarin in your hand. That is the content of the fruit. Only part of it moves into the cup.

The reason is chemistry. A review on silymarin absorption puts its solubility in water below 50 µg per millilitre and describes absorption in the gut as poor. The assessment report of the European medicines agency on milk thistle fruit says the extract is water-insoluble and that the low solubility explains the low absorption. Water and silymarin do not get along.

For comparison: a single capsule of our milk thistle extract contains 400 mg of silymarin. That is almost eight times the 52 mg that sit, in calculation, in 3.5 g of fruits, and it works without the water hurdle. The label shows the number. The tea bag does not.

Does that make the tea worthless? No. The EU herbal monograph explicitly lists the comminuted fruit as a tea, a traditionally used preparation around digestion, a feeling of fullness and liver function. You are drinking it in good tradition. You just should not expect a cup to replace the silymarin amount of an extract.

How to brew milk thistle tea properly

For adults, the EU monograph names 3 to 5 g of comminuted fruits per 100 ml of boiling water, two to three times a day before meals. The German Commission E worked with 3.5 g of fruits per 150 ml as an infusion and 3 g per 150 ml as a decoction. That gives a simple routine:

• Crush the fruits coarsely, ideally in a mortar and just before brewing. Whole fruits stay a hard grain.
• Weigh the amount. A kitchen scale shows you on the first batch how many grams a teaspoon is in your kitchen.
• Pour over boiling water, steep covered for 10 to 15 minutes, strain.
• For a stronger brew, make a decoction: simmer gently for 10 to 15 minutes, then strain.
• Drink before the meal, as the monograph provides.

The taste is its own, because the fruits contain oil. A tip from herbal practice: half a teaspoon of fennel seeds in the same infusion rounds the cup off. If a digestive problem lasts longer than two weeks, it belongs with a doctor. The monograph says exactly that.

Tea, powder or capsule: the three forms side by side

All three come from the same plant, but they deliver very different amounts.

• Tea: 3 to 5 g of fruits per cup, silymarin limited by solubility, no declared content. Effort: mortar, steeping time, strainer.
• Powder from ground fruits: the monograph names 300 to 600 mg, two to three times a day, no more than 1,800 mg a day. Content not standardised.
• Standardised extract in capsules: fixed extract ratio, declared silymarin share, exact amount per capsule.

Work out the powder at the upper end of the monograph: 1,800 mg of fruits at the minimum content of 1.5% gives around 27 mg of silymarin a day. Three capsules of our milk thistle extract deliver 1,200 mg. That is no matter of taste, that is arithmetic.

Our extract is set at 25:1, meaning 25 parts of seeds from Greek milk thistles become one part of extract, and it is made in two passes: one with pure water for the water-soluble components, one with food-grade alcohol for the fat-soluble ones. The alcohol evaporates 100% after extraction, and no chemical solvents are used.

Milk thistle tea from the drugstore: how to read the pack

The shelf holds tea bags with milk thistle, blends with dandelion or fennel, and loose fruits, whole or cracked. We say nothing about individual brands. The questions on the label count the same on every pack:

• Is milk thistle fruit the first ingredient or one of six? The further back, the less of it in the cup.
• How many grams of filling does a bag hold? Hold that number against the 3 to 5 g of the EU monograph.
• Whole or cracked fruits? You crush whole ones before brewing.
• Is a silymarin content declared? For an extract it is the most important number. If it is missing, you cannot compare products.

For blends without quantities you do not know how much milk thistle is in the cup. That is no flaw of the tea, just a piece of information you need for your comparison.

Who should not drink milk thistle tea

The EU monograph sets clear limits. With an allergy to plants of the daisy family such as arnica or marigold, you leave milk thistle out. In pregnancy and breastfeeding safety has not been established, which is why the monograph advises against use. For children and adolescents under 18 there are not enough data.

As possible side effects the monograph lists mild gastrointestinal symptoms such as dry mouth, nausea, stomach irritation and diarrhoea, plus headache and allergic reactions, frequency unknown. If skin or eyes turn yellow or the colour of urine or stool changes, see a doctor straight away. According to the monograph no interactions have been reported. In the laboratory, however, silibinin inhibits liver enzymes involved in breaking down drugs, and the clinical relevance is considered unclear. If you take regular medication, ask at the pharmacy.

Tea for the evening ritual, capsules with food: a daily plan

Monday, late shift, finish around 9 pm. Before the late dinner comes a cup of tea made from 3 to 5 g of freshly crushed fruits, then the meal, then the capsules. Our milk thistle extract provides for 2 to 3 capsules a day, preferably after a meal with plenty of fluid. Three capsules a day is the maximum: 1,200 mg of silymarin. At two capsules, the tub of 180 capsules lasts 90 days.

If you prefer a ready-made combination, reach for Leber Intenso+. With 2 capsules a day after a meal you get 600 mg of milk thistle extract with 480 mg of silymarin, plus 100 mg of choline, artichoke, dandelion root, turmeric and desmodium. You do not need milk thistle capsules and Leber Intenso+ twice: the milk thistle is already in the combination. Pick one, and the tea can go alongside.

Matching Products from Scheunengut

Milk thistle extract, 180 capsules: 25:1 extract from seeds of Greek milk thistles, standardised to at least 80% silymarin. Three capsules deliver 1,500 mg of extract with 1,200 mg of silymarin. High-dose, vegan, 100% free from additives, colourings and fillers, made in Germany and lab-tested for every batch.

Leber Intenso+, 120 capsules: Two capsules contain 600 mg of milk thistle extract (480 mg of silymarin), 300 mg of artichoke extract with 15 mg of cynarin, 150 mg of dandelion root extract, 100 mg of turmeric extract with 95 mg of curcuminoids, 100 mg of choline, 50 mg of desmodium, 200 µg of folic acid and 2.5 µg of vitamin B12. That lasts 60 days. Choline contributes to the maintenance of normal liver function. Choline contributes to normal lipid metabolism. Choline contributes to normal homocysteine metabolism. Folate contributes to normal homocysteine metabolism.

Since 2012 we at Scheunengut have focused on pure raw-material quality without investors: milk thistle from Greece, artichoke from our Italian farmer, dandelion root from France.

Frequently Asked Questions (FAQ)

Is milk thistle tea good for the liver?

Milk thistle tea has a traditional place alongside digestion and liver function, and the EU herbal monograph lists it as a preparation. The amount of silymarin in the cup stays small because silymarin dissolves poorly in water. If you want a defined amount of silymarin, choose a standardised extract. Choline adds an authorised liver claim: choline contributes to the maintenance of normal liver function.

How do you prepare milk thistle tea, and how long should it steep?

Crush 3 to 5 g of milk thistle fruits coarsely, pour 100 to 150 ml of boiling water over them and let the tea steep, covered, for 10 to 15 minutes. Then strain. The EU monograph provides for a cup two to three times a day before meals.

What is in the milk thistle tea sold by drugstores such as dm?

We say nothing about individual brands, because the composition is printed on each pack. Check three things there: whether milk thistle fruit is the first ingredient, how many grams of filling a bag holds, and whether it is a blend. Set against the 3 to 5 g of the EU monograph, you quickly see how much milk thistle actually ends up in your cup.

How many cups of milk thistle tea can you drink a day?

The EU monograph names two to three cups a day for adults, each made with 3 to 5 g of fruits per 100 ml of water, before meals. More brings nothing, since solubility stays the bottleneck. If you notice stomach irritation or diarrhoea, stop and ask at the pharmacy.

Can I drink milk thistle tea during pregnancy or breastfeeding?

Better not. The EU monograph states that safety in pregnancy and breastfeeding has not been established and advises against use. The same goes for capsules. If you are pregnant or breastfeeding, talk to your OB-GYN or midwife before taking anything.

Milk thistle as tea or capsules: which gives more silymarin?

The capsules, by a wide margin. Our milk thistle extract delivers 1,200 mg of silymarin in three capsules, declared on the label. A cup of tea holds, in calculation, at most around 52 mg of silymarin in the fruits you steep, and only part of that dissolves in the water.

Can I combine milk thistle tea and capsules on the same day?

Yes, the two go together. Many people drink the tea before dinner as a ritual and take the capsules after a meal. The capsules stay at the serving recommended on the pack, and the tea comes on top. If you take regular medication, ask at the pharmacy first.