| 100 Products | Aug 2024 | Aug 2025 | Change |
| Kellogg's Variety Pack Cereal (196g) | £2.37 | £2.88 | + £0.51 21.5% increase |
| | £1.25 | £1.74 | + £0.49 39.2% increase |
| | £2.50 | £3.15 | + £0.65 30.3% increase |
| | £2.30 | £3.15 | + £0.85 32.7% increase |
| | £1.75 | £3.00 | + £1.25 41.5% increase |
| | £2.90 | £3.00 | + £0.10 31.3% increase |
| | £1.50 | £3.50 | + £2.00 43.8% increase |
| | £2.13 | £1.75 | - £0.38 34.6% decrease |
| | £1.69 | £1.69 | £0.00 31% increase |
| | £2.50 | £3.15 | + £0.65 30.1% increase |
| | £2.49 | £2.49 | £0.00 26.7% increase |
| | £5.05 | £5.05 | £0.00 21.5% increase |
| Kellogg's Crunchy Nut Fruit & Nut Breakfast Granola (380g) | £4.02 | £3.36 | - £0.66 -16.4% decrease |
| | £2.50 | £2.74 | + £0.24 9.6% increase |
| | £3.30 | £3.30 | £0.00 4.1% increase |
| | £3.30 | £2.75 | - £0.55 -3.3% decrease |
| | £3.29 | £3.30 | + £0.01 -2.6% increase |
| | £2.50 | £3.00 | + £0.50 1.3% increase |
| | £2.50 | £3.29 | + £0.79 5.5% increase |
| | £2.49 | £2.49 | £0.00 4.9% increase |
| | £3.45 | £3.45 | £0.00 4.1% increase |
| | £2.90 | £2.75 | - £0.15 3.4% decrease |
| | £13.99 | £6.49 | - £7.50 -16.4% decrease |
| Kellogg's Corn Flakes Breakfast Cereal (450g) | £2.17 | £2.17 | £0.00 No change |
| | £2.25 | £2.25 | £0.00 No change |
| | £2.25 | £2.25 | £0.00 No change |
| | £2.25 | £2.25 | £0.00 No change |
| | £2.25 | £2.25 | £0.00 No change |
| | £2.00 | £2.00 | £0.00 No change |
| | £2.25 | £2.25 | £0.00 No change |
| | £2.35 | £2.35 | £0.00 No change |
| | £1.89 | £1.89 | £0.00 No change |
| | £2.20 | £2.20 | £0.00 No change |
| | £1.99 | £1.99 | £0.00 No change |
| Kellogg's Pop-Tarts Frosted Chocotastic Toaster Pastries (48g) | £3.35 | £3.48 | + £0.13 3.9% increase |
| | £2.70 | £2.98 | + £0.28 10.4% increase |
| | £2.69 | £3.00 | + £0.31 10.7% increase |
| | £2.50 | £3.00 | + £0.50 13.7% increase |
| | £2.70 | £3.00 | + £0.30 13.2% increase |
| | £3.10 | £3.10 | £0.00 10.2% increase |
| | £3.00 | £3.00 | £0.00 8.3% increase |
| | £2.69 | £2.69 | £0.00 7.2% increase |
| | £3.03 | £3.00 | - £0.03 6.1% decrease |
| | £2.59 | £2.59 | £0.00 5.4% increase |
| | £8.48 | £8.48 | £0.00 3.9% increase |
| Kellogg's Crunchy Nut Chocolate Hazelnut Granola (380g) | £3.32 | £3.49 | + £0.17 5.1% increase |
| | £2.50 | £2.74 | + £0.24 9.6% increase |
| | £3.30 | £3.30 | £0.00 4.1% increase |
| | £3.30 | £2.75 | - £0.55 -3.3% decrease |
| | £3.29 | £3.30 | + £0.01 -2.6% increase |
| | £2.50 | £3.80 | + £1.30 6.7% increase |
| | £2.50 | £3.29 | + £0.79 10.3% increase |
| | £2.49 | £2.49 | £0.00 9.2% increase |
| | £3.45 | £3.45 | £0.00 7.5% increase |
| | £2.90 | £2.75 | - £0.15 6.5% decrease |
| | £6.99 | £6.99 | £0.00 5.1% increase |
| Kellogg's Frosties Cereal 500g () | £2.77 | £2.79 | + £0.02 0.7% increase |
| | £3.30 | £3.30 | £0.00 No change |
| | £3.30 | £3.30 | £0.00 No change |
| | £3.30 | £3.50 | + £0.20 2.1% increase |
| | £3.30 | £3.30 | £0.00 1.5% increase |
| | £3.75 | £3.75 | £0.00 1.2% increase |
| | £2.50 | £2.50 | £0.00 1.2% increase |
| | £2.50 | £2.50 | £0.00 0.6% increase |
| | £0.50 | £0.50 | £0.00 0.7% increase |
| | £3.30 | £3.30 | £0.00 0.7% increase |
| | £1.99 | £1.99 | £0.00 0.7% increase |
| 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 Special K Red Berries Cereal (330g) | £5.04 | £3.56 | - £1.48 -29.4% decrease |
| | £2.75 | £2.68 | - £0.07 -2.5% decrease |
| | £3.30 | £3.50 | + £0.20 2% increase |
| | £3.30 | £3.50 | + £0.20 3.5% increase |
| | £2.75 | £3.50 | + £0.75 8.9% increase |
| | £2.50 | £2.75 | + £0.25 9.2% increase |
| | £3.02 | £3.29 | + £0.27 8.8% increase |
| | £2.75 | £2.85 | + £0.10 8.2% increase |
| | £3.03 | £3.50 | + £0.47 9.2% increase |
| | £21.99 | £6.49 | - £15.50 -29.4% decrease |
| Kellogg's Pop-Tarts Strawberry Sensation (48g) | £3.43 | £3.58 | + £0.15 4.4% increase |
| | £2.70 | £2.98 | + £0.28 10.4% increase |
| | £2.69 | £3.00 | + £0.31 10.7% increase |
| | £2.50 | £3.00 | + £0.50 13.7% increase |
| | £2.70 | £3.00 | + £0.30 13.2% increase |
| | £3.30 | £3.30 | £0.00 10.1% increase |
| | £3.00 | £3.00 | £0.00 8.2% increase |
| | £3.03 | £3.00 | - £0.03 6.7% decrease |
| | £2.49 | £2.49 | £0.00 6.1% increase |
| | £8.48 | £8.48 | £0.00 4.4% increase |
| Kellogg's Special K Red Berry Cereal Snack Bar (21.5g) | £1.62 | £1.57 | - £0.05 -3.1% decrease |
| | £1.35 | £1.35 | £0.00 No change |
| | £1.35 | £1.35 | £0.00 No change |
| | £1.35 | £1.35 | £0.00 No change |
| | £1.35 | £1.35 | £0.00 No change |
| | £2.70 | £2.70 | £0.00 No change |
| | £1.25 | £1.25 | £0.00 No change |
| | £2.15 | £2.15 | £0.00 No change |
| | £1.78 | £1.35 | - £0.43 -3% decrease |
| | £1.29 | £1.29 | £0.00 -3.1% increase |
