| 25 Products | Apr 2023 | Apr 2024 | Change |
| M&M's Crunchy Peanut & Milk Chocolate Bites Pouch Bag (125g) | £3.80 | £3.88 | + £0.08 2.1% increase |
| | £1.50 | £1.65 | + £0.15 10% increase |
| | £1.50 | £1.65 | + £0.15 10% increase |
| | £1.58 | £1.80 | + £0.22 11.1% increase |
| | £1.50 | £1.65 | + £0.15 11.2% increase |
| | £1.35 | £1.35 | £0.00 8.7% increase |
| | £1.35 | £1.35 | £0.00 8.2% increase |
| | £1.50 | £1.50 | £0.00 6.1% increase |
| | £2.00 | £2.20 | + £0.20 6.5% increase |
| | £1.49 | £1.49 | £0.00 6.5% increase |
| | £24.20 | £24.20 | £0.00 2.1% increase |
| M&M's Crunchy Peanut & Milk Chocolate Block Sharing Bar (165g) | £3.51 | £5.01 | + £1.50 42.7% increase |
| | £1.50 | £1.50 | £0.00 No change |
| | £1.49 | £1.49 | £0.00 No change |
| | £2.00 | £2.00 | £0.00 No change |
| | £1.50 | £1.50 | £0.00 No change |
| | £2.10 | £2.10 | £0.00 No change |
| | £1.50 | £1.50 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| | £16.49 | £29.99 | + £13.50 42.7% increase |
| M&M's Crunchy Peanut & Milk Chocolate Sharing Bag (220g) | £2.68 | £2.77 | + £0.09 3.4% increase |
| | £2.50 | £2.75 | + £0.25 10% increase |
| | £2.50 | £2.75 | + £0.25 10% increase |
| | £2.50 | £2.75 | + £0.25 10% increase |
| | £3.20 | £3.20 | £0.00 6.7% increase |
| | £2.50 | £2.75 | + £0.25 7.6% increase |
| | £2.75 | £2.75 | £0.00 6.4% increase |
| | £3.00 | £2.75 | - £0.25 3.7% decrease |
| | £2.49 | £2.49 | £0.00 3.4% increase |
| M&M's Milk Chocolate Bites Pouch Bag Chocolate (125g) | £1.51 | £1.70 | + £0.19 12.6% increase |
| | £1.00 | £1.65 | + £0.65 65% increase |
| | £1.50 | £1.65 | + £0.15 32% increase |
| | £1.58 | £1.80 | + £0.22 25% increase |
| | £1.50 | £1.65 | + £0.15 20.7% increase |
| | £1.50 | £1.50 | £0.00 16.2% increase |
| | £1.50 | £1.50 | £0.00 14% increase |
| | £2.00 | £2.20 | + £0.20 13.2% increase |
| | £1.49 | £1.65 | + £0.16 12.6% increase |
| M&M's Milk Chocolate Block Sharing Bar (165g) | £5.93 | £6.72 | + £0.79 13.3% increase |
| | £1.25 | £1.25 | £0.00 No change |
| | £1.49 | £1.49 | £0.00 No change |
| | £2.00 | £2.00 | £0.00 No change |
| | £2.30 | £2.30 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| | £2.00 | £7.50 | + £5.50 47.9% increase |
| | £29.99 | £29.99 | £0.00 13.3% increase |
| M&M's Crispy Milk Chocolate Bites Pouch Bag (107g) | £1.54 | £1.63 | + £0.09 5.8% increase |
| | £1.50 | £1.65 | + £0.15 10% increase |
| | £1.50 | £1.65 | + £0.15 10% increase |
| | £1.25 | £1.25 | £0.00 7% increase |
| | £1.50 | £1.65 | + £0.15 7.6% increase |
| | £1.50 | £1.50 | £0.00 6.2% increase |
| | £1.50 | £1.50 | £0.00 4.8% increase |
| | £2.00 | £2.20 | + £0.20 5.8% increase |
| M&M's & Friends Medium Selection Box (139g) | £1.97 | £2.37 | + £0.40 20.3% increase |
| | £2.00 | £2.50 | + £0.50 25% increase |
| | £2.00 | £2.50 | + £0.50 25% increase |
| | £2.50 | £2.50 | £0.00 15.2% increase |
| | £1.00 | £2.50 | + £1.50 33% increase |
| | £2.00 | £2.00 | £0.00 26.3% increase |
| | £1.00 | £2.50 | + £1.50 38.3% increase |
| | £3.30 | £2.07 | - £1.23 20.3% decrease |
| M&M's Crunchy Caramel Chocolate Bar (165g) | £2.01 | £2.01 | £0.00 No change |
| | £1.25 | £1.25 | £0.00 No change |
| | £1.49 | £1.49 | £0.00 No change |
| | £2.00 | £2.00 | £0.00 No change |
| | £2.30 | £2.30 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| M&M's Hazelnut Pieces & Milk Chocolate Block Sharing Bar (165g) | £6.65 | £6.65 | £0.00 No change |
| | £1.25 | £1.25 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| | £1.15 | £1.15 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| | £29.99 | £29.99 | £0.00 No change |
| M&M's Brownie Bites Milk Chocolate Pouch Bag Chocolate Bag (102g) | £1.73 | £1.76 | + £0.03 1.7% increase |
| | £1.50 | £1.65 | + £0.15 10% increase |
| | £1.58 | £1.80 | + £0.22 12.3% increase |
| | £2.09 | £1.65 | - £0.44 -1.2% decrease |
| | £1.50 | £1.50 | £0.00 -1.2% increase |
| | £2.00 | £2.20 | + £0.20 1.7% increase |
