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  • Guaranteed quality

    Product made with great demand and care

  • Pure and Natural

    Free of residues, gluten, GMO, heavy metals and additives

  • Certificate

    Registered in accordance with current legal regulations

  • Vegan

    Cruelty free. No test or testing on animals

Buy Lugol

5% Lugol Iodine Solution

Are you looking for a high-quality, easy-to-use iodine solution?

The Dioxnatur Pharmaceutical Quality 5% Lugol Iodine solution is packaged in a 30 ml dark glass bottle with an Integrated Pipette for convenient drop dosage. With its high purity , ease of use and effectiveness, it is the perfect product for a wide variety of applications.

✔ Pharmaceutical quality and purity

All components of our Lugol solution come from the EU, are certified and meet the purity standards established by the European Pharmacopoeia (Ph. Eur.)

Ease of Dosing

Glass pipette included for convenient and precise drop dosing. 1 vertical drop contains approx.: 6.25 mg of iodine solution (2.5 mg of iodine and 3.75 mg of potassium iodide).

Optimum conservation packaging

Our lugol is packaged in a dark glass jar, airtight and well sealed, to protect the iodine from light and preserve its qualities.

Original Formula

Liquid iodine solution manufactured following French physician Jean Guillaume Auguste Lugol 's original formula of a 1:2 ratio of iodine to potassium iodide in double-distilled water.

Get a high-quality lugol iodine solution

Next, take a look at our guide to buying lugol and frequently asked questions about the product and if you have any questions contact us in the chat.

Frequently asked questions about Lugol

What is lugol and what is it used for?

Lugol's iodine solution is composed of: 5% iodine, 10% potassium iodide, 85% double-distilled water Ph. Eur., USP. The same original formula developed by Dr. Jean Guillaume Auguste Lugol of one part elemental iodine, two parts potassium iodide and water.

It is a liquid with a dark reddish brown appearance and has a very characteristic smell and flavor.

Lugol is an iodine solution that is used in a wide variety of applications. And it has proven to be very effective in the fields of medicine and industry. It is commonly used as a disinfectant, first aid, antiseptic, water purification and nutritional supplement. Since it is an effective remedy for bacteria, fungi and viruses.

In 1986, after the Chernobyl accident, it was used as a water disinfectant in plumbing to help prevent the thyroid from absorbing radioactive iodine.

What are the most common uses of lugol?

Lugol is frequently used as a reagent, disinfectant and antiseptic, to cover iodine deficiencies, support the thyroid and for water disinfection in emergencies. As well as to treat plants in agriculture.

Properties and benefits of iodine

  • Source of iodine and iodide
  • Disinfectant due to its antiseptic nature
  • Effective against bacteria, fungi and viruses.

Iodine is an essential trace element and, as an essential component of thyroid hormones, it is extremely important for the proper functioning of the thyroid gland and for growth, development and numerous metabolic processes.

We should normally obtain iodine from our diet, however, most agricultural soils contain very low concentrations of this nutrient.

When you buy Lugol you can benefit from all its properties.

How should I dilute lugol?

We cannot prescribe or recommend treatments or dosages. The information given is merely informative and the method of use and dosage should be consulted with a health professional.

When used to maintain the body's iodine content, the dosage is 2-3 drops of 5% Lugol's solution diluted in a glass of water daily or as recommended by your healthcare professional. To use as a natural water purifier, add 3 to 6 drops per liter of water.

How should I handle the lugol safely?

Chemical. It is not a medicine or a food. Tincture of iodine may stain. Keep the container tightly closed as it may color. Do not breathe mist/vapour/aerosol. In case of contact with eyes: Rinse carefully with water for several minutes; If possible, remove contact lenses. Continue rinsing.

Warning: Do not use if allergic to iodine.
Warning : keep out of reach of children.
Warning: keep only in the original container.

Product safety
• The safety data sheet can be requested.
• Always read the label and product information before using.


Store at room temperature. Protect from direct sunlight.

Security file



Lugol's solution (4.9%)

Other names: Lugol's solution, iodine-potassium iodide solution or potassium triiodide.

Content: 4.9% iodine (I2), 9.8% potassium iodide (Kl)

CAS number: 12298-68-9

EC number: 235-567-5

Storage class: 6.1D

Made from potassium iodide (Ph. Eur. and/or USP), iodine (Ph. Eur. and/or USP) and demineralized water (purified, Ph. Eur., USP, NF).

Opinion of users of Lugol's sale in Dioxnatur

See reviews below.

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Customer Reviews

Based on 10 reviews
Volker Hartmann
Excelente servicio

Llegó dentro de 24 horas, bien embalado, super servicio!

Simona Molina

Bueno éste producto Lugol me sorprendió bastante. Lo desconocía, nunca lo había usado y es muy eficaz para los hongos de las uñas... y también hace desaparecer por completo la herida y costra de las bermudas quemadas.
Llegó con todo lo demás muy bien embalado y rápido.
Estoy muy contenta... gracias 🙂

Nieves Santana González
Pedido yodo lugol

Llegó en la fecha prevista y en perfecto estado. Muchas gracias

Manuel Julián López Morillo
Lo he pedido por primera vez

Aun es pronto para opinar sobre este producto porque aun no lo he usado, aunque conociendo la calidad de otros productos espero muy buenos resultados

Lugol 5% de la mejor calidad

Excelente calidad, envío super rápido en menos de 24h y viene muy bien protegido. Lo uso como tratamiento para las tiroides por hipotiroidismo y me va muy bien. Totalmente recomendable!

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Dioxnatur, always by your side

Brand specialized in alternative products for health care and well-being with which you can take care of yourself and yours.

All our products have been created with this purpose and have been made with great demand and care. From the quality of raw materials to the shipping package. We take care of every detail because every detail matters.

Dioxnatur is not just a brand of comprehensive care products, it is a lifestyle!