| 100 Products | May 2025 | May 2026 | Change |
| Kellogg's Variety Pack Cereal (196g) | £2.63 | £2.78 | + £0.15 5.7% increase |
| | £2.98 | £1.75 | - £1.23 -41.3% decrease |
| | £3.00 | £3.15 | + £0.15 -18.1% increase |
| | £3.15 | £3.15 | £0.00 -11.8% increase |
| | £3.00 | £3.15 | + £0.15 -7.6% increase |
| | £3.00 | £3.00 | £0.00 -6.3% increase |
| | £3.50 | £3.50 | £0.00 -5.1% increase |
| | £1.75 | £3.15 | + £1.40 2.4% increase |
| | £1.69 | £2.00 | + £0.31 3.6% increase |
| | £1.75 | £3.15 | + £1.40 9.1% increase |
| | £2.49 | £1.75 | - £0.74 5.7% 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) | £1.57 | £1.57 | £0.00 No change |
| | £1.35 | £1.34 | - £0.01 -0.7% 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 |
| | £2.70 | £2.70 | £0.00 No change |
| | £1.25 | £1.25 | £0.00 No change |
| | £2.15 | £2.15 | £0.00 No change |
| | £1.35 | £1.35 | £0.00 No change |
| | £1.29 | £1.29 | £0.00 No change |
| Kellogg's Krave Milk Chocolate Cereal 375g (410g) | £3.19 | £3.17 | - £0.02 -0.6% decrease |
| | £3.48 | £3.48 | £0.00 No change |
| | £3.30 | £3.50 | + £0.20 2.9% increase |
| | £3.50 | £3.50 | £0.00 1.7% increase |
| | £3.50 | £3.50 | £0.00 1.4% increase |
| | £2.50 | £2.50 | £0.00 1.2% increase |
| | £3.17 | £3.49 | + £0.32 2.8% increase |
| | £3.75 | £3.75 | £0.00 2.4% increase |
| | £3.50 | £2.85 | - £0.65 -0.6% decrease |
| | £1.99 | £1.99 | £0.00 -0.6% increase |
| Kellogg's Crunchy Nut Fruit & Nut Breakfast Granola (380g) | £3.16 | £3.24 | + £0.08 2.5% increase |
| | £3.29 | £3.30 | + £0.01 0.3% increase |
| | £3.30 | £3.50 | + £0.20 3% increase |
| | £3.30 | £3.50 | + £0.20 3.9% increase |
| | £3.30 | £3.30 | £0.00 3% increase |
| | £3.00 | £3.95 | + £0.95 8.3% increase |
| | £3.02 | £2.85 | - £0.17 6.2% decrease |
| | £2.49 | £2.49 | £0.00 5.5% increase |
| | £3.45 | £3.45 | £0.00 4.8% increase |
| | £3.30 | £2.85 | - £0.45 2.5% decrease |
| Kellogg's Rice Krispies Squares Marshmallow Snack Bars (28g) | £1.87 | £1.97 | + £0.10 5.3% increase |
| | £1.42 | £2.24 | + £0.82 57.7% increase |
| | £2.25 | £2.25 | £0.00 22.3% increase |
| | £2.25 | £2.25 | £0.00 14.2% increase |
| | £2.25 | £2.25 | £0.00 10.3% increase |
| | £2.50 | £2.65 | + £0.15 9.4% increase |
| | £2.35 | £1.85 | - £0.50 3.7% decrease |
| | £0.49 | £0.49 | £0.00 3.6% increase |
| | £1.85 | £2.25 | + £0.40 5.7% increase |
| | £1.49 | £1.49 | £0.00 5.3% increase |
| Kellogg's Pop-Tarts Frosted Chocotastic Toaster Pastries (48g) | £2.89 | £2.93 | + £0.04 1.4% increase |
| | £2.93 | £3.00 | + £0.07 2.4% increase |
| | £3.00 | £2.70 | - £0.30 -4% decrease |
| | £2.50 | £3.00 | + £0.50 3.2% increase |
| | £3.00 | £3.00 | £0.00 2.4% increase |
| | £3.10 | £3.10 | £0.00 1.7% increase |
| | £3.00 | £3.00 | £0.00 1.7% increase |
| | £2.89 | £2.99 | + £0.10 1.7% increase |
| | £3.00 | £3.00 | £0.00 1.4% increase |
| | £2.59 | £2.59 | £0.00 1.4% increase |
| Kellogg's Crunchy Nut Chocolate Hazelnut Granola (380g) | £3.25 | £3.28 | + £0.03 0.9% increase |
| | £3.29 | £3.30 | + £0.01 0.3% increase |
| | £3.30 | £3.50 | + £0.20 3% increase |
| | £3.30 | £3.50 | + £0.20 3.9% increase |
| | £3.30 | £3.30 | £0.00 3% increase |
| | £3.80 | £3.95 | + £0.15 3.2% increase |
| | £3.02 | £2.85 | - £0.17 1.8% decrease |
| | £2.49 | £2.49 | £0.00 1.9% increase |
| | £3.45 | £3.75 | + £0.30 2.8% increase |
| | £3.30 | £2.85 | - £0.45 0.9% decrease |
| Kellogg's Krave Chocolate Hazelnut Cereal (410g) | £3.45 | £3.44 | - £0.01 -0.3% decrease |
| | £3.48 | £3.48 | £0.00 No change |
| | £3.30 | £3.50 | + £0.20 2.9% increase |
| | £3.50 | £3.50 | £0.00 1.7% increase |
| | £3.50 | £3.50 | £0.00 1.4% increase |
| | £4.40 | £4.40 | £0.00 1.1% increase |
| | £3.17 | £3.49 | + £0.32 2.5% increase |
| | £3.75 | £3.75 | £0.00 1.9% increase |
| | £3.50 | £2.85 | - £0.65 -0.6% decrease |
| | £2.49 | £2.49 | £0.00 -0.3% increase |
