| 9 Products | May 2023 | May 2024 | Change |
| Guylian Belgian Chocolate Sea Shells (250g) | £6.00 | £6.25 | + £0.25 4.2% increase |
| | £6.00 | £6.25 | + £0.25 4.2% increase |
| Guylian Master's Selection (200g) | £8.00 | £8.00 | £0.00 No change |
| | £8.00 | £8.00 | £0.00 No change |
| Guylian Belgian Chocolates The Original Seashells (500g) | £11.00 | £11.00 | £0.00 No change |
| | £11.00 | £11.00 | £0.00 No change |
| Guylian Seashells Box (500g) | £10.00 | £10.00 | £0.00 No change |
| | £10.00 | £10.00 | £0.00 No change |
| Guylian No Added Sugar Milk Bars (100g) | £2.00 | £2.00 | £0.00 No change |
| | £2.00 | £2.00 | £0.00 No change |
| Guylian Salted Caramel Bars (100g) | £3.00 | £3.15 | + £0.15 5% increase |
| | £3.00 | £3.15 | + £0.15 5% increase |
| Guylian Hazelnut Bars (100g) | £1.70 | £1.70 | £0.00 No change |
| | £1.70 | £1.70 | £0.00 No change |
| Guylian Milk Chocolate Egg with 12 Original Praline Seahorses (306g) | £10.00 | £10.00 | £0.00 No change |
| | £10.00 | £10.00 | £0.00 No change |
| | £10.00 | £10.00 | £0.00 No change |
| | £10.00 | £10.00 | £0.00 No change |
