| 100 Products | Jan 2025 | Jan 2026 | Change |
| Kellogg's Variety Pack Cereal (196g) | £2.49 | £2.77 | + £0.28 11.2% increase |
| | £2.37 | £2.98 | + £0.61 25.7% increase |
| | £3.15 | £3.00 | - £0.15 8.3% decrease |
| | £3.15 | £3.15 | £0.00 5.2% increase |
| | £2.60 | £1.75 | - £0.85 -3.5% decrease |
| | £2.75 | £3.00 | + £0.25 -0.7% increase |
| | £2.33 | £3.50 | + £1.17 6.2% increase |
| | £2.58 | £3.15 | + £0.57 8.5% increase |
| | £1.69 | £2.00 | + £0.31 9.3% increase |
| | £1.75 | £3.15 | + £1.40 14.5% increase |
| | £2.49 | £2.00 | - £0.49 11.2% 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 Frosties Cereal 500g (470g) | £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 Special K Red Berry Cereal Snack Bar (21.5g) | £1.67 | £1.57 | - £0.10 -6% 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 |
| | £2.20 | £1.35 | - £0.85 -5.8% decrease |
| | £1.29 | £1.29 | £0.00 -6% increase |
| Kellogg's Krave Milk Chocolate Cereal 375g (410g) | £3.01 | £3.10 | + £0.09 3% increase |
| | £3.02 | £3.48 | + £0.46 15.2% increase |
| | £3.30 | £3.50 | + £0.20 10.4% increase |
| | £3.30 | £3.50 | + £0.20 8.7% increase |
| | £3.17 | £3.50 | + £0.33 9.4% increase |
| | £2.50 | £2.50 | £0.00 7.8% increase |
| | £3.29 | £2.85 | - £0.44 3.9% decrease |
| | £3.23 | £3.75 | + £0.52 5.8% increase |
| | £3.30 | £2.85 | - £0.45 3.2% decrease |
| | £1.99 | £1.99 | £0.00 3% increase |
| Kellogg's Crunchy Nut Fruit & Nut Breakfast Granola (380g) | £3.23 | £3.12 | - £0.11 -3.4% decrease |
| | £3.29 | £3.28 | - £0.01 -0.3% decrease |
| | £3.30 | £3.30 | £0.00 -0.3% increase |
| | £3.30 | £3.30 | £0.00 -0.3% increase |
| | £3.29 | £2.75 | - £0.54 -4.2% decrease |
| | £3.40 | £4.00 | + £0.60 0.3% increase |
| | £3.29 | £2.75 | - £0.54 -2.4% decrease |
| | £2.49 | £2.49 | £0.00 -2.2% increase |
| | £3.45 | £3.45 | £0.00 -1.9% increase |
| | £3.30 | £2.75 | - £0.55 -3.4% decrease |
| Kellogg's Rice Krispies Squares Marshmallow Snack Bars (28g) | £1.88 | £1.99 | + £0.11 5.9% increase |
| | £1.88 | £2.24 | + £0.36 19.1% increase |
| | £2.25 | £2.25 | £0.00 8.7% increase |
| | £2.25 | £2.25 | £0.00 5.6% increase |
| | £2.25 | £2.25 | £0.00 4.2% increase |
| | £2.50 | £2.80 | + £0.30 5.8% increase |
| | £2.35 | £1.85 | - £0.50 0.9% decrease |
| | £0.49 | £0.49 | £0.00 1% increase |
| | £1.50 | £2.25 | + £0.75 6.2% increase |
| | £1.49 | £1.49 | £0.00 5.9% increase |
| Kellogg's Pop-Tarts Frosted Chocotastic Toaster Pastries (48g) | £2.86 | £2.93 | + £0.07 2.4% increase |
| | £2.85 | £2.98 | + £0.13 4.6% increase |
| | £3.00 | £3.00 | £0.00 2% increase |
| | £2.50 | £3.00 | + £0.50 7.6% increase |
| | £3.00 | £3.00 | £0.00 5.6% increase |
| | £3.10 | £3.10 | £0.00 4.5% increase |
| | £2.70 | £3.00 | + £0.30 5.2% increase |
| | £2.69 | £2.69 | £0.00 4.9% increase |
| | £3.30 | £3.00 | - £0.30 2.8% decrease |
| | £2.59 | £2.59 | £0.00 2.4% increase |
| Kellogg's Crunchy Nut Chocolate Hazelnut Granola (380g) | £3.28 | £3.10 | - £0.18 -5.5% decrease |
| | £3.29 | £3.28 | - £0.01 -0.3% decrease |
| | £3.30 | £3.30 | £0.00 -0.3% increase |
| | £3.30 | £3.30 | £0.00 -0.3% increase |
| | £3.29 | £2.75 | - £0.54 -4.2% decrease |
| | £3.80 | £4.00 | + £0.20 -2.1% increase |
| | £3.29 | £2.75 | - £0.54 -4.4% decrease |
| | £2.49 | £2.49 | £0.00 -4% increase |
| | £3.45 | £3.30 | - £0.15 -4% decrease |
| | £3.30 | £2.75 | - £0.55 -5.5% decrease |
| Kellogg's Krave Chocolate Hazelnut Cereal (410g) | £3.29 | £3.37 | + £0.08 2.4% increase |
| | £3.15 | £3.48 | + £0.33 10.5% increase |
| | £3.30 | £3.50 | + £0.20 8% increase |
| | £3.30 | £3.50 | + £0.20 7.4% increase |
| | £3.17 | £3.50 | + £0.33 8.4% increase |
| | £4.40 | £4.40 | £0.00 6.4% increase |
| | £3.29 | £2.85 | - £0.44 2.9% decrease |
| | £3.23 | £3.75 | + £0.52 4.7% increase |
| | £3.30 | £2.85 | - £0.45 2.7% decrease |
| | £2.49 | £2.49 | £0.00 2.4% increase |
