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Our shop is connected to our till: the figure shown on each product is the quantity actually on our shelves, updated continuously. What you see in stock, you can come and collect: it's yours, no reservation needed.

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Alexandre Felici, fondateur d'Herba Barona
Alexandre Felici
Founder of Herba Barona, since 2006

Alexandre personally selects every product in the shop, one by one — favouring the purity of the formulas and brands you won't find anywhere else.

Passionate about nutritional therapy and the ketogenic (Keto) diet, he takes the time to guide you towards what truly suits you, in store or by email.

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Opening hours

Open 9:30 am to 6:30 pm, Tuesday to Saturday. Closed on Sunday and Monday.

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Delivery — France

  • Mondial Relay : 3,90 € up to 500 g
    Delivery time: 3 to 5 working days
  • Colissimo pickup point : 4,90 € — Free from 75 €
    +3 € over 500 g, even when delivery is free
    Delivery time: 24 h in Paris · 48 h across France
  • Colissimo to your door : 7,90 € — Free from 95 €
    +5 € over 500 g, even when delivery is free
    Delivery time: 24 h in Paris · 48 h across France

When does your parcel leave?
Tuesday to Friday, before 15h30 : the same day
Friday after 15h30, Saturday or Sunday : Monday morning
Monday : Tuesday

All rates and delivery times → Terms & conditions of sale
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Our shop is closed on this public holiday.

We reopen the next working day at 9:30 am.

You can order online at any time: your purchases will be waiting for you when we reopen, and delivery resumes from the next working day.

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Magnesium Chloride (Nigari) 500 g – Nature et Partage

9,80 € incl. VAT

Nature et Partage magnesium chloride, also called nigari, comes as white crystals to dissolve in water. A 500 g kraft bag: one tablespoon in a litre of water, then one glass a day. Available in Paris at Herba Barona.

7 in stock

Nigari Magnesium Chloride in Paris: crystals to dissolve yourself

Nature et Partage magnesium chloride, also called nigari, comes as white crystals to dissolve in water. A 500 g kraft bag: one tablespoon in a litre of water, then one glass a day. Available in Paris at Herba Barona.

Nigari, a traditional Japanese product

In Japan, magnesium chloride has long been used to curdle soy milk when making tofu. It is called nigari, a word that refers to bitterness: the name already announces its taste.

The Nature et Partage bag contains 95% magnesium chloride hexahydrate, as white crystals that you dissolve in water yourself. Its origin is given on the label: Geermu, a town on the Tibetan plateau, in China. It is then packed in France, in Gornac in the Gironde, in an eco-responsible 500 g kraft bag.

It belongs to the brand’s range of powders and crystals in kraft bags, alongside the food-grade baking soda.

Magnesium, at the recommended amount

Prepared and drunk as the brand indicates, one glass of solution a day, this chloride provides magnesium. Magnesium contributes to the reduction of tiredness and fatigue. It also contributes to normal functioning of the nervous system.

Nature et Partage reminds us itself: magnesium chloride is not a medicine, and it is not essential to take it every day for life. It comes in addition to a varied and balanced diet, never in its place.

Preparing your bottle: 20 to 25 g in a litre of water

The preparation comes down to two steps. Dissolve 20 to 25 g of crystals, that is one tablespoon, in a litre of water. Then drink 12.5 cl of this solution a day, the equivalent of one glass. The brand asks that you do not exceed this amount of 12.5 cl a day.

A one-litre bottle therefore lasts eight days. Keep it tightly closed and write the date of preparation on it: it is the simplest way to keep track. The 500 g bag makes 20 to 25 litres of solution, enough to last several months.

Use a dry tablespoon to scoop from the bag, then close it straight away: the crystals attract moisture from the air and clump quickly.

The taste, and the first days

No point hiding it: the solution tastes salty and bitter. The simplest way is to drink it well chilled, in one go, possibly topped up with a little fruit juice. You get used to it within a few days.

At the start, a slight laxative effect may appear. Nature et Partage then advises reducing the amount, without stopping altogether: the effect quickly goes away.

Chloride, citrate or bisglycinate: choosing your magnesium in Paris

Magnesium chloride is the most traditional and simplest form: crystals, water, a bottle. If the taste puts you off, other forms exist. Now Foods magnesium citrate powder also dissolves in a glass of water, and Novoma magnesium bisglycinate comes in capsules, with nothing to prepare.

All these forms are on the shelves of our magnesium section, in our shop in Paris 12th. Come by: we choose together according to your habits and the way you like to take it.

Precautions for use

Magnesium chloride is not recommended in cases of kidney problems, high blood pressure, notably if you follow a salt-free diet, haemophilia and corticosteroid treatment. If you are taking medication, ask your doctor for advice before starting.

Do not exceed 12.5 cl a day of the solution prepared at 20 to 25 g per litre. The product does not replace a varied and balanced diet or a healthy lifestyle. Keep the bag out of the reach of children and store it away from humidity.

Frequently asked questions

How do I prepare magnesium chloride?

Dissolve 20 to 25 g, that is one tablespoon, in a litre of water, then drink one 12.5 cl glass of this solution a day, without exceeding this amount.

Why is it called nigari?

That is its Japanese name. In Japan, it is traditionally used to curdle soy milk when making tofu.

Who should avoid magnesium chloride?

The brand advises against it in cases of kidney problems, high blood pressure (notably with a salt-free diet), haemophilia and corticosteroid treatment.

Where can I buy magnesium chloride in Paris?

At Herba Barona, 10 rue Théophile Roussel in Paris 12th, a short walk from the Ledru-Rollin and Bastille metro stations, Tuesday to Saturday, 9:30 am to 6:30 pm. You can also order it online and collect it in the shop.

Guide : Which Magnesium to Choose in Paris: Complete 2026 Guide

For 12.5 cl of solution (recommended daily amount): solution prepared by dissolving 20 to 25 g of magnesium chloride (1 tablespoon) in 1 litre of water.

Ingredient: 95% magnesium chloride hexahydrate.

Crystals. Origin: Geermu (Tibetan town, China). Packed in France. 500 g eco-responsible kraft bag.

Directions: dissolve 20 to 25 g (1 tablespoon) of magnesium chloride in 1 litre of water and take this solution at the rate of one 12.5 cl dose (1 glass) a day. Do not exceed the maximum dose of 12.5 cl a day of this solution of 20 to 25 g of magnesium chloride diluted in 1 litre of water. A slight laxative effect may appear at the start: reduce the amount without stopping.

Precautions: not recommended in cases of kidney problems, high blood pressure (if on a salt-free diet), haemophilia and corticosteroid treatment. Does not replace a varied and balanced diet or a healthy lifestyle. Keep out of the reach of children.

Storage: keep away from humidity.