Quinton Isotonic Seawater helps support cellular hydration and mineral balance, thanks to its sea mineral blend, a straightforward, dependable natural supplement trusted by health-conscious shoppers. This isotonic blend supports cellular health and mineral replenishment. This approach pairs nature and science. It highlights minerals like sodium, magnesium, calcium and potassium. This brand, Quicksilver, is known for high standards of purity and potency.

Available Sizes & Variants:

30 x 10ml vials – convenient daily use for home or travel

Benefits & Features:

• Supports daily hydration and mineral balance.
• Star ingredient seawater rich in minerals helps replenish essential minerals like sodium, magnesium, calcium and potassium, supporting everyday energy and bodily functions without fuss daily.
• Cold sterilisation preserves minerals while ensuring purity.
• Minerals such as sodium, magnesium, calcium and potassium support everyday function.
• This natural supplement brings together nature and science.

Drawing on René Quinton's purity protocols, Quinton Isotonic Seawater is harvested from protected plankton rich ocean blooms. This isotonic formula is harvested from protected plankton rich ocean blooms. Cold sterilisation preserves minerals while ensuring purity. Minerals such as sodium, magnesium, calcium and potassium support everyday function. This natural supplement brings together nature and science. It fits well into gut health supplements routines. Quicksilver Scientific is known for high standards of purity and potency, reflected in every batch of these natural supplements. Some users integrate this into gut health supplements routines.

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%)

• GTIN: 8437004649409
• Manufacturer: Quicksilver
• Categories: New ArrivalsQuicksilver
• Best buy: 6 - 24 months+

United Kingdom Shipping:

Orders placed by 2pm (Monday to Friday) are dispatched the same day. Orders placed after 2pm will be dispatched the 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 30 days in the same original and unopened packaging. Subject to T&C's.

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.