| 18 Products | May 2023 | May 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 |
| | £1.58 | £1.80 | + £0.22 12.3% increase |
| | £1.35 | £1.35 | £0.00 8.1% increase |
| | £1.50 | £1.50 | £0.00 6.8% increase |
| | £1.50 | £1.65 | + £0.15 6.7% increase |
| | £1.50 | £1.65 | + £0.15 7.4% increase |
| | £1.35 | £1.35 | £0.00 6.1% increase |
| | £1.49 | £1.49 | £0.00 6.1% increase |
| | £2.00 | £2.20 | + £0.20 6.5% increase |
| | £24.20 | £24.20 | £0.00 2.1% increase |
| M&M's Crunchy Peanut & Milk Chocolate Sharing Bag (220g) | £2.68 | £2.77 | + £0.09 3.4% increase |
| | £2.75 | £2.75 | £0.00 No change |
| | £3.00 | £2.75 | - £0.25 -4.5% decrease |
| | £2.50 | £2.75 | + £0.25 No change |
| | £3.20 | £3.20 | £0.00 No change |
| | £2.50 | £2.75 | + £0.25 1.8% increase |
| | £2.50 | £2.75 | + £0.25 3.3% increase |
| | £2.50 | £2.75 | + £0.25 3.7% increase |
| | £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 |
| | £1.50 | £1.65 | + £0.15 10% increase |
| | £1.58 | £1.80 | + £0.22 12.3% increase |
| | £1.50 | £1.50 | £0.00 7.8% increase |
| | £1.50 | £1.50 | £0.00 5.9% increase |
| | £1.50 | £1.65 | + £0.15 6.6% increase |
| | £1.49 | £1.65 | + £0.16 7.9% increase |
| | £1.00 | £1.65 | + £0.65 13.2% increase |
| | £2.00 | £2.20 | + £0.20 12.6% increase |
| M&M's Milk Chocolate Block Sharing Bar (165g) | £5.93 | £6.72 | + £0.79 13.3% increase |
| | £2.00 | £2.00 | £0.00 No change |
| | £2.30 | £2.30 | £0.00 No change |
| | £1.49 | £1.49 | £0.00 No change |
| | £1.25 | £1.25 | £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 | £1.50 | £0.00 5.3% increase |
| | £1.25 | £1.25 | £0.00 3.5% increase |
| | £1.50 | £1.50 | £0.00 2.8% increase |
| | £1.50 | £1.65 | + £0.15 4.1% increase |
| | £1.50 | £1.65 | + £0.15 4.8% increase |
| | £2.00 | £2.20 | + £0.20 5.8% increase |
| M&M's Hazelnut Pieces & Milk Chocolate Block Sharing Bar (165g) | £6.65 | £6.65 | £0.00 No change |
| | £1.15 | £1.15 | £0.00 No change |
| | £2.50 | £2.50 | £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 |
| | £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 | £1.50 | £0.00 No change |
| | £1.58 | £1.80 | + £0.22 7.1% increase |
| | £2.09 | £1.65 | - £0.44 -4.1% decrease |
| | £2.00 | £2.20 | + £0.20 No change |
| | £1.50 | £1.65 | + £0.15 1.7% increase |
| M&M's Salted Caramel Milk Chocolate Bites Bag (102g) | £1.40 | £1.65 | + £0.25 17.9% increase |
| | £1.25 | £1.65 | + £0.40 32% increase |
| | £1.35 | £1.35 | £0.00 15.4% increase |
| | £1.65 | £1.80 | + £0.15 12.7% increase |
| | £1.50 | £2.20 | + £0.70 21.5% increase |
| | £1.25 | £1.25 | £0.00 17.9% increase |
| M&M's Crunchy Peanut & Milk Chocolate Party Mix Bulk Snack Bag (1kg) | £8.59 | £7.31 | - £1.28 -14.9% decrease |
| | £9.95 | £6.57 | - £3.38 -34% decrease |
| | £8.50 | £8.75 | + £0.25 -17% increase |
| | £8.00 | £8.50 | + £0.50 -10% increase |
| | £8.50 | £8.75 | + £0.25 -6.9% increase |
| | £8.00 | £4.00 | - £4.00 -14.9% decrease |
| M&M's Salted Caramel Chocolate Pouch Bag (102g) | £1.02 | £1.02 | £0.00 No change |
| | £1.25 | £1.25 | £0.00 No change |
| | £1.25 | £1.25 | £0.00 No change |
| | £0.90 | £0.90 | £0.00 No change |
| | £1.00 | £1.00 | £0.00 No change |
| | £0.69 | £0.69 | £0.00 No change |
