Compared daily across 7 UK stores

Westlab 100% Pure Magnesium Flakes Bath Soak 800g

800g · £3.69/kg

All 7 stores

• Superdrug£2.95£3.69/kg-Visit →
• Ocado£3.00£3.75/kg+£0.05Visit →
• Sainsbury's£3.00 with Nectar£3.75/kg+£0.05Visit →
• Tesco£3.00 with Clubcard£3.75/kg+£0.05Visit →
• ASDA£3.48£4.35/kg+£0.53Visit →
• Boots£3.79£4.74/kg+£0.84Visit →
• Morrisons£3.80£4.75/kg+£0.85Visit →

Across all stores in the last 60 days, the price ranged from £2.95 on 15 Oct 2026 to £3.80. Today's lowest price sits near the bottom of that range.

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