| 100 Products | Jul 2024 | Jul 2025 | Change |
| Kellogg's Variety Pack Cereal (196g) | £2.52 | £2.88 | + £0.36 14.3% 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 |
| | £2.99 | £3.00 | + £0.01 22.1% increase |
| | £2.90 | £3.00 | + £0.10 17.6% increase |
| | £1.50 | £3.50 | + £2.00 30.4% increase |
| | £2.50 | £3.15 | + £0.65 29.8% increase |
| | £1.69 | £1.69 | £0.00 27.3% increase |
| | £2.50 | £1.75 | - £0.75 19.6% decrease |
| | £2.49 | £2.49 | £0.00 17.7% increase |
| | £5.05 | £5.05 | £0.00 14.3% increase |
| Kellogg's Crunchy Nut Fruit & Nut Breakfast Granola (380g) | £4.14 | £3.52 | - £0.62 -15% decrease |
| | £2.50 | £3.29 | + £0.79 31.6% increase |
| | £3.30 | £3.30 | £0.00 13.8% increase |
| | £3.30 | £3.30 | £0.00 8.9% increase |
| | £3.29 | £3.30 | + £0.01 6.5% increase |
| | £2.50 | £3.00 | + £0.50 8.7% increase |
| | £3.29 | £3.29 | £0.00 7.3% increase |
| | £2.49 | £2.49 | £0.00 6.4% increase |
| | £3.45 | £3.45 | £0.00 5.3% increase |
| | £3.30 | £3.30 | £0.00 4.6% increase |
| | £13.99 | £6.49 | - £7.50 -15% 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) | £3.39 | £3.46 | + £0.07 2.1% increase |
| | £3.00 | £3.00 | £0.00 No change |
| | £2.69 | £3.00 | + £0.31 5.3% increase |
| | £2.50 | £2.50 | £0.00 3.7% increase |
| | £2.85 | £3.00 | + £0.15 4.3% increase |
| | £3.10 | £3.10 | £0.00 3.2% increase |
| | £3.00 | £3.00 | £0.00 2.4% increase |
| | £2.69 | £2.89 | + £0.20 3.5% increase |
| | £3.03 | £3.00 | - £0.03 2.8% decrease |
| | £2.59 | £2.59 | £0.00 2.5% increase |
| | £8.48 | £8.48 | £0.00 2.1% increase |
| Kellogg's Crunchy Nut Chocolate Hazelnut Granola (380g) | £3.44 | £3.65 | + £0.21 6.1% increase |
| | £2.50 | £3.29 | + £0.79 31.6% increase |
| | £3.30 | £3.30 | £0.00 13.8% increase |
| | £3.30 | £3.30 | £0.00 8.9% increase |
| | £3.29 | £3.30 | + £0.01 6.5% increase |
| | £2.50 | £3.80 | + £1.30 14.1% increase |
| | £3.29 | £3.29 | £0.00 11.6% increase |
| | £2.49 | £2.49 | £0.00 10.2% increase |
| | £3.45 | £3.45 | £0.00 8.6% increase |
| | £3.30 | £3.30 | £0.00 7.5% increase |
| | £6.99 | £6.99 | £0.00 6.1% increase |
| Kellogg's Frosties Cereal 500g () | £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 Special K Red Berries Cereal (330g) | £5.24 | £3.59 | - £1.65 -31.5% 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 |
| | £3.29 | £3.50 | + £0.21 No change |
| | £2.50 | £2.75 | + £0.25 1.6% increase |
| | £3.02 | £3.29 | + £0.27 2.6% increase |
| | £3.45 | £3.75 | + £0.30 3.8% increase |
| | £3.03 | £2.85 | - £0.18 2.5% decrease |
| | £21.99 | £6.49 | - £15.50 -31.5% decrease |
| Kellogg's Pop-Tarts Strawberry Sensation (48g) | £3.48 | £3.53 | + £0.05 1.4% increase |
| | £3.00 | £3.00 | £0.00 No change |
| | £2.69 | £3.00 | + £0.31 5.3% increase |
| | £2.50 | £2.50 | £0.00 3.7% increase |
| | £2.85 | £3.00 | + £0.15 4.3% increase |
| | £3.30 | £3.30 | £0.00 3.1% increase |
| | £3.00 | £3.00 | £0.00 2.8% increase |
| | £3.03 | £3.00 | - £0.03 2.1% decrease |
| | £2.49 | £2.49 | £0.00 1.7% increase |
| | £8.48 | £8.48 | £0.00 1.4% 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 |
| | £1.33 | £1.35 | + £0.02 0.7% increase |
| | £1.35 | £1.35 | £0.00 0.7% increase |
| | £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 |
