Key Benefits

• Helps your immune system work at its best.

• Supports normal thyroid function for daily balance.

• Protects cells from everyday oxidative stress.

• Highly absorbable and free from additives.

Discover a simple way to support your wellbeing with Eidon Liquid Selenium. This essential trace mineral contributes to the normal function of your immune system and helps your thyroid work as it should—so you can feel your best, day in and day out. Selenium also helps protect your cells from oxidative stress and supports the maintenance of healthy hair and nails. Because it’s in a liquid form, it’s easy for your body to absorb, and it’s made without artificial preservatives, colours, or sugars. Vegan and gluten-free, it’s a clean choice for topping up your daily selenium intake.

Eidon stands out through its proprietary manufacturing process, producing pure, odourless liquid minerals with exceptional bioavailability. Made in America under strict quality control, each mineral starts from pharmaceutical or food-grade raw materials with over 99.8% purity. Eidon ensures every batch includes a certificate of analysis and undergoes third-party testing to confirm identity, strength and freedom from harmful heavy metals like lead and mercury. This rigorous approach guarantees you receive safe, effective minerals that your body can absorb easily for optimal health support.

Eidon, founded in 1996 by Rick Wagner, C.N., M.S., was born from a mission to educate the public about the vital role of minerals in human health. With a background in clinical nutrition, Wagner developed a line of highly absorbable liquid minerals, formulated in-house and tested for purity in independent labs. Eidon avoids unnecessary additives, offering clean, bioavailable formulations that support foundational wellness. Through this science-led approach, Eidon helps you restore balance, replenish essential nutrients, and support your body’s natural systems every day.

With our Healf Curation Process, we do the work for you. Shop with confidence knowing that every item has been tried, tested, and curated for you.

Learn more about each step—Brand Discovery, Expert Validation, and Community Testing—here.

Selenium (as sodium selenate), De-ionized water.

Shipping

At Healf, we prioritize safe and fast delivery for all our customers. Our carefully selected couriers are Royal Mail and DPD.

UK standard delivery

Enjoy free standard delivery on orders above £50, this option usually requires 2-3 working days. If your order is under £50, this delivery option is available for £3.99.

Next working day

For when you need our products urgently, we offer next working day shipping for £5.99. For orders placed before 12.00, we will ship it the same day to ensure you receive your order the next working day.

International

International deliveries can take 7 working days, and up to 4 weeks. The cost is £22.99 for orders below £50, £49.95 for orders above.

Returns

If for any reason you are not satisfied with your order, we provide free 365-day UK returns for all our customers. To initiate your return, simply contact us at team@healf.com, and we'll send you a return slip and help arrange a collection. The item you return must be sent in the same condition as received and inside the original packaging. Once received, we will notify you via email.

For international returns, we unfortunately do not cover the cost. However, we work with an array of carriers and can offer self-posting returns for customers shopping from outside the UK.

One tablespoon per day in water.

Additional Information:

Food supplements and foods sold by Healf should not be used as a substitute for a varied, balanced diet and healthy lifestyle.

If you are pregnant, breastfeeding, have a medical condition, or are taking any medications, please consult with a healthcare professional before use. Use products only if the seal is intact. Store in a cool, dry place, out of the reach of young children. Do not exceed the recommended daily intake.

We make every effort to ensure that product information on our website is accurate and up to date, but packaging and ingredients may occasionally vary from images shown on site. Please refer to the product label and contact Healf before use if you have any questions regarding your specific allergies or intolerances.