| 45 Products | Jun 2025 | Jun 2026 | Change |
| Schweppes Slimline Tonic Water Mini Cans (150ml) | £4.80 | £6.34 | + £1.54 32.1% increase |
| | £4.80 | £6.34 | + £1.54 32.1% increase |
| Lixir Pink Grapefruit Tonic Water (500ml) | £1.85 | £1.85 | £0.00 No change |
| | £1.85 | £1.85 | £0.00 No change |
| London Essence Co. Grapefruit & Rosemary Tonic Water Cans () | £3.00 | £3.00 | £0.00 No change |
| | £3.00 | £3.00 | £0.00 No change |
| Fever-Tree Light Cucumber Tonic Water (500ml) | £1.80 | £1.80 | £0.00 No change |
| | £1.80 | £1.80 | £0.00 No change |
| Fever-Tree Refreshingly Light Tonic Water (500ml) | £1.72 | £1.50 | - £0.22 -12.8% decrease |
| | £1.72 | £1.50 | - £0.22 -12.8% decrease |
| Fever-Tree Indian Tonic Water (500ml) | £1.82 | £1.60 | - £0.22 -12.1% decrease |
| | £1.82 | £1.60 | - £0.22 -12.1% decrease |
| ASDA Diet Indian Tonic Water with Lime () | £0.65 | £0.68 | + £0.03 4.6% increase |
| | £0.65 | £0.68 | + £0.03 4.6% increase |
| ASDA Indian Tonic Water with a Lemon Flavour Twist Low calorie (1l) | £0.68 | £0.90 | + £0.22 32.4% increase |
| | £0.68 | £0.90 | + £0.22 32.4% increase |
| Fever-Tree Aromatic Tonic Water (500ml) | £1.91 | £1.91 | £0.00 No change |
| | £1.91 | £1.91 | £0.00 No change |
| ASDA Indian Tonic Water with a Lemon Flavour Twist (1l) | £0.68 | £0.90 | + £0.22 32.4% increase |
| | £0.68 | £0.90 | + £0.22 32.4% increase |
