Quinton Isotonic Seawater 30 x 10ml vials (300ml) - Quicksilver

Seawater enriched with minerals from organic plankton – including calcium, phosphorous, magnesium and sulphur, and trace elements including iron, manganese, copper, iodine, zinc and selenium (29%) and natural spring water (71%)

United Kingdom & Rest of the World Shipping Details:
Same day dispatch for orders placed by 2pm (Orders after 2pm dispatched next working day).

Free shipping on orders over £50 to the UK.

Returns: Our products are meant to make you feel healthy and at your best. If you need to return your item, you can do so free of charge within 14 days in the same original and unopened packaging. Subject to T&C's.

Welzo is a UK-based health platform. Orders ship from the UK.

Take 1 ampoule on an empty stomach, up to 3 times daily or as advised by your healthcare professional. As a food supplement\, take 1 capsule daily\, with a meal\, or as directed by your healthcare professional.

Please consult the product packaging for accurate instructions on how to use the product.

The Active Ingredient Is: Magnesium

Magnesium is a mineral essential for normal cellular function and mineral balance within the body.

This form is sourced from seawater minerals, reflecting the isotonic composition of the product and its natural mineral content.

What Does Magnesium Do?

Magnesium participates in normal nerve function and supports electrolyte balance in line with EFSA guidance and NHS recommendations. It also contributes to energy metabolism and muscle function as part of standard physiological processes.

Note: This information reflects general mineral roles and the product’s seawater mineral basis; no dosage or treatment claims are made.

This product is not intended to diagnose, treat, cure, or prevent any disease.

Quinton is our preferred brand for Isotonic Seawater because of its storied heritage and specialised approach to mineral balance. The maker is rooted in the Quinton lineage, with protocols created to preserve purity and mineral integrity, including harvesting from protected ocean blooms and cold sterilisation to maintain the natural balance of minerals. This heritage underpins a track record that's consistently linked with high purity and a long-standing reputation in the field of mineral-based formulations.

Product quality is reinforced by the brand’s emphasis on mineral-rich seawater, designed to support cellular health and mineral replenishment as described in the product formulation. This sits with Welzo’s commitment to thorough quality standards and clear sourcing, which show up in our assessment of this brand against our quality assurance criteria. This brand was carefully and thoroughly evaluated by our expert team of doctors, nurses, and nutritionists for compliance with our quality assurance criteria.

We recommend Quinton for this supplement because of its heritage, purity-focused manufacturing ethos, and clear alignment with our product quality expectations. For those seeking trusted sourcing and a brand with a proven approach to mineral balance, Quinton stands out in our assessment process.