| 17 Products | May 2023 | May 2024 | Change |
| M&M's Crunchy Peanut & Milk Chocolate Block Sharing Bar (165g) | £2.50 | £2.50 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| M&M's Milk Chocolate Block Sharing Bar (165g) | £2.50 | £2.50 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| M&M's Brownie Bites Milk Chocolate Pouch Bag Chocolate Bag (102g) | £2.00 | £2.20 | + £0.20 10% increase |
| | £2.00 | £2.20 | + £0.20 10% increase |
| M&M's Crunchy Caramel Chocolate Bar (165g) | £2.50 | £2.50 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| M&M's Salted Caramel Milk Chocolate Bites Bag (102g) | £1.50 | £2.20 | + £0.70 46.7% increase |
| | £1.50 | £2.20 | + £0.70 46.7% increase |
| M&M's Milk Chocolate Party Mix Bulk Snack Bag (1kg) | £8.50 | £8.75 | + £0.25 2.9% increase |
| | £8.50 | £8.75 | + £0.25 2.9% increase |
| M&M's Crispy Milk Chocolate Bites Pouch Bag (107g) | £2.00 | £2.20 | + £0.20 10% increase |
| | £2.00 | £2.20 | + £0.20 10% increase |
| M&M's Brownie Bites & Milk Chocolate Sharing Pouch Bag (213g) | £3.00 | £2.75 | - £0.25 -8.3% decrease |
| | £3.00 | £2.75 | - £0.25 -8.3% decrease |
| M&M's Crunchy Peanut & Milk Chocolate Sharing Bag (220g) | £3.00 | £2.75 | - £0.25 -8.3% decrease |
| | £3.00 | £2.75 | - £0.25 -8.3% decrease |
| M&M's & Friends Medium Selection Box (139g) | £3.30 | £2.07 | - £1.23 -37.3% decrease |
| | £3.30 | £2.07 | - £1.23 -37.3% decrease |
