| 100 Products | May 2024 | May 2025 | Change |
| Kellogg's Variety Pack Cereal (196g) | £2.46 | £2.85 | + £0.39 15.9% increase |
| | £1.25 | £2.98 | + £1.73 138.4% increase |
| | £2.50 | £3.00 | + £0.50 59% increase |
| | £2.30 | £3.15 | + £0.85 50.5% increase |
| | £2.37 | £3.00 | + £0.63 43.6% increase |
| | £2.90 | £3.00 | + £0.10 34.1% increase |
| | £1.50 | £3.50 | + £2.00 45.3% increase |
| | £2.50 | £1.75 | - £0.75 32.9% decrease |
| | £1.69 | £1.69 | £0.00 29.6% increase |
| | £2.50 | £1.75 | - £0.75 22.1% decrease |
| | £2.49 | £2.49 | £0.00 19.5% increase |
| | £5.05 | £5.05 | £0.00 15.9% increase |
| Kellogg's Crunchy Nut Fruit & Nut Breakfast Granola (380g) | £4.15 | £3.52 | - £0.63 -15.2% decrease |
| | £2.99 | £3.29 | + £0.30 10% increase |
| | £3.30 | £3.30 | £0.00 4.8% increase |
| | £3.30 | £3.30 | £0.00 3.1% increase |
| | £3.29 | £3.30 | + £0.01 2.5% increase |
| | £2.50 | £3.00 | + £0.50 5.2% increase |
| | £2.90 | £3.29 | + £0.39 6.6% increase |
| | £2.49 | £2.49 | £0.00 5.7% increase |
| | £3.45 | £3.45 | £0.00 5% increase |
| | £3.30 | £3.30 | £0.00 4.2% increase |
| | £13.99 | £6.49 | - £7.50 -15.2% decrease |
| Kellogg's Corn Flakes Breakfast Cereal (450g) | £2.18 | £2.17 | - £0.01 -0.5% decrease |
| | £2.25 | £2.25 | £0.00 No change |
| | £2.25 | £2.25 | £0.00 No change |
| | £2.25 | £2.25 | £0.00 No change |
| | £2.38 | £2.25 | - £0.13 -1.3% decrease |
| | £2.00 | £2.00 | £0.00 -1.3% increase |
| | £2.25 | £2.25 | £0.00 -0.9% increase |
| | £2.35 | £2.35 | £0.00 -0.9% increase |
| | £1.89 | £1.89 | £0.00 -0.5% increase |
| | £2.20 | £2.20 | £0.00 -0.5% increase |
| | £1.99 | £1.99 | £0.00 -0.5% increase |
| Kellogg's Pop-Tarts Frosted Chocotastic Toaster Pastries (48g) | £3.45 | £3.45 | £0.00 No change |
| | £3.00 | £2.98 | - £0.02 -0.7% decrease |
| | £2.99 | £3.00 | + £0.01 -0.3% increase |
| | £2.50 | £2.50 | £0.00 No change |
| | £2.99 | £3.00 | + £0.01 No change |
| | £3.10 | £3.10 | £0.00 No change |
| | £2.85 | £3.00 | + £0.15 0.7% increase |
| | £2.99 | £2.89 | - £0.10 0% decrease |
| | £3.00 | £3.00 | £0.00 No change |
| | £2.59 | £2.59 | £0.00 0.3% increase |
| | £8.48 | £8.48 | £0.00 No change |
| Kellogg's Crunchy Nut Chocolate Hazelnut Granola (380g) | £3.45 | £3.65 | + £0.20 5.8% increase |
| | £2.99 | £3.29 | + £0.30 10% increase |
| | £3.30 | £3.30 | £0.00 4.8% increase |
| | £3.30 | £3.30 | £0.00 3.1% increase |
| | £3.29 | £3.30 | + £0.01 2.5% increase |
| | £2.50 | £3.80 | + £1.30 10.4% increase |
| | £2.90 | £3.29 | + £0.39 10.8% increase |
| | £2.49 | £2.49 | £0.00 9.4% increase |
| | £3.45 | £3.45 | £0.00 8.3% increase |
| | £3.30 | £3.30 | £0.00 7.2% increase |
| | £6.99 | £6.99 | £0.00 5.8% increase |
| Kellogg's Frosties Cereal 500g (470g) | £2.77 | £2.77 | £0.00 No change |
| | £3.30 | £3.30 | £0.00 No change |
| | £3.30 | £3.30 | £0.00 No change |
| | £3.30 | £3.30 | £0.00 No change |
| | £3.30 | £3.30 | £0.00 No change |
| | £3.75 | £3.75 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| | £0.50 | £0.50 | £0.00 No change |
| | £3.30 | £3.30 | £0.00 No change |
| | £1.99 | £1.99 | £0.00 No change |
| Kellogg's Coco Pops Chocolate Breakfast Cereal () | £4.92 | £4.95 | + £0.03 0.6% increase |
| | £3.75 | £3.75 | £0.00 No change |
| | £4.00 | £4.00 | £0.00 No change |
| | £4.00 | £4.25 | + £0.25 2% increase |
| | £3.99 | £3.99 | £0.00 1.5% increase |
| | £4.50 | £4.50 | £0.00 1.2% increase |
| | £4.50 | £4.50 | £0.00 1.2% increase |
| | £4.75 | £4.75 | £0.00 1% increase |
| | £4.00 | £4.00 | £0.00 0.7% increase |
| | £3.74 | £3.74 | £0.00 0.5% increase |
| | £11.99 | £11.99 | £0.00 0.6% increase |
| Kellogg's Crunchy Nut Cereal (500g) | £3.80 | £3.93 | + £0.13 3.4% increase |
| | £3.29 | £3.00 | - £0.29 -8.8% decrease |
| | £3.40 | £3.40 | £0.00 -4.5% increase |
| | £2.84 | £3.40 | + £0.56 2.8% increase |
| | £2.50 | £4.40 | + £1.90 17.9% increase |
| | £3.29 | £3.29 | £0.00 14.4% increase |
| | £3.13 | £2.75 | - £0.38 9.4% decrease |
| | £3.40 | £2.75 | - £0.65 5.1% decrease |
| | £3.39 | £3.39 | £0.00 4.4% increase |
| | £8.99 | £8.99 | £0.00 3.4% increase |
| Kellogg's Special K Red Berries Cereal (330g) | £5.20 | £3.59 | - £1.61 -31% decrease |
| | £3.29 | £2.68 | - £0.61 -18.5% decrease |
| | £3.30 | £3.50 | + £0.20 -6.4% increase |
| | £3.30 | £3.50 | + £0.20 -2.1% increase |
| | £2.75 | £3.50 | + £0.75 4.4% increase |
| | £2.50 | £2.75 | + £0.25 5.3% increase |
| | £3.29 | £3.29 | £0.00 4.2% increase |
| | £3.10 | £3.75 | + £0.65 6.5% increase |
| | £3.30 | £2.85 | - £0.45 4.2% decrease |
| | £21.99 | £6.49 | - £15.50 -31% decrease |
| Kellogg's Pop-Tarts Strawberry Sensation (48g) | £3.51 | £3.53 | + £0.02 0.6% increase |
| | £3.00 | £2.98 | - £0.02 -0.7% decrease |
| | £2.99 | £3.00 | + £0.01 -0.3% increase |
| | £2.50 | £2.50 | £0.00 No change |
| | £2.99 | £3.00 | + £0.01 No change |
| | £3.30 | £3.30 | £0.00 No change |
| | £2.85 | £3.00 | + £0.15 0.7% increase |
| | £3.00 | £3.00 | £0.00 0.7% increase |
| | £2.49 | £2.49 | £0.00 0.7% increase |
| | £8.48 | £8.48 | £0.00 0.6% increase |
