| 15 Products | May 2023 | May 2024 | Change |
| M&M's Crunchy Peanut & Milk Chocolate Block Sharing Bar (165g) | £1.49 | £1.49 | £0.00 No change |
| | £1.49 | £1.49 | £0.00 No change |
| M&M's Milk Chocolate Block Sharing Bar (165g) | £1.49 | £1.49 | £0.00 No change |
| | £1.49 | £1.49 | £0.00 No change |
| M&M's Brownie Bites Milk Chocolate Pouch Bag Chocolate Bag (102g) | £1.50 | £1.65 | + £0.15 10% increase |
| | £1.50 | £1.65 | + £0.15 10% increase |
| M&M's Crunchy Caramel Chocolate Bar (165g) | £1.49 | £1.49 | £0.00 No change |
| | £1.49 | £1.49 | £0.00 No change |
| M&M's Salted Caramel Milk Chocolate Bites Bag (102g) | £1.25 | £1.25 | £0.00 No change |
| | £1.25 | £1.25 | £0.00 No change |
| M&M's Crispy Milk Chocolate Bites Pouch Bag (107g) | £1.50 | £1.65 | + £0.15 10% increase |
| | £1.50 | £1.65 | + £0.15 10% increase |
| M&M's Chocolate Biscuit Bar Multipack (198g) | £2.50 | £2.50 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| M&M's Chocolate Ice Cream (500ml) | £2.55 | £2.55 | £0.00 No change |
| | £2.55 | £2.55 | £0.00 No change |
| M&M's Crunchy Peanut & Milk Chocolate Sharing Bag (220g) | £2.50 | £2.75 | + £0.25 10% increase |
| | £2.50 | £2.75 | + £0.25 10% increase |
| M&M's & Friends Medium Selection Box (139g) | £2.00 | £2.50 | + £0.50 25% increase |
| | £2.00 | £2.50 | + £0.50 25% increase |
