| 100 Products | Jun 2024 | Jun 2025 | Change |
| Kellogg's Variety Pack Cereal (196g) | £2.46 | £2.86 | + £0.40 16.3% increase |
| | £1.25 | £2.00 | + £0.75 60% increase |
| | £2.50 | £3.15 | + £0.65 37.2% increase |
| | £2.30 | £3.15 | + £0.85 37.1% increase |
| | £2.37 | £3.00 | + £0.63 34.1% increase |
| | £2.90 | £3.00 | + £0.10 26.5% increase |
| | £1.50 | £1.75 | + £0.25 25.2% increase |
| | £2.50 | £3.15 | + £0.65 25.1% increase |
| | £1.69 | £1.69 | £0.00 22.5% increase |
| | £2.50 | £3.00 | + £0.50 22.1% increase |
| | £2.49 | £2.49 | £0.00 20% increase |
| | £5.05 | £5.05 | £0.00 16.3% increase |
| Kellogg's Crunchy Nut Fruit & Nut Breakfast Granola (380g) | £4.13 | £3.47 | - £0.66 -16% decrease |
| | £3.29 | £2.75 | - £0.54 -16.4% decrease |
| | £3.30 | £3.30 | £0.00 -8.2% increase |
| | £3.30 | £3.30 | £0.00 -5.5% increase |
| | £3.29 | £3.30 | + £0.01 -4.2% increase |
| | £2.50 | £3.00 | + £0.50 -0.3% increase |
| | £3.29 | £3.29 | £0.00 No change |
| | £2.49 | £2.49 | £0.00 -0.3% increase |
| | £2.50 | £3.45 | + £0.95 3.7% increase |
| | £3.30 | £3.30 | £0.00 3.3% increase |
| | £13.99 | £6.49 | - £7.50 -16% decrease |
| Kellogg's Corn Flakes Breakfast Cereal (450g) | £2.19 | £2.17 | - £0.02 -0.9% 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 |
| | £2.50 | £2.25 | - £0.25 -2.6% decrease |
| | £2.00 | £2.00 | £0.00 -2.2% increase |
| | £2.25 | £2.25 | £0.00 -1.8% increase |
| | £2.35 | £2.35 | £0.00 -1.3% increase |
| | £1.89 | £1.89 | £0.00 -1.4% increase |
| | £2.20 | £2.20 | £0.00 -1.4% increase |
| | £1.99 | £1.99 | £0.00 -0.9% increase |
| Kellogg's Pop-Tarts Frosted Chocotastic Toaster Pastries (48g) | £3.36 | £3.46 | + £0.10 3% increase |
| | £2.85 | £3.00 | + £0.15 5.3% increase |
| | £2.69 | £3.00 | + £0.31 8.3% increase |
| | £2.50 | £2.50 | £0.00 5.6% increase |
| | £2.85 | £3.00 | + £0.15 5.9% increase |
| | £3.10 | £3.10 | £0.00 4.3% increase |
| | £2.70 | £3.00 | + £0.30 5.4% increase |
| | £2.84 | £2.89 | + £0.05 5% increase |
| | £3.03 | £3.00 | - £0.03 4.3% decrease |
| | £2.59 | £2.59 | £0.00 3.9% increase |
| | £8.48 | £8.48 | £0.00 3% increase |
| Kellogg's Crunchy Nut Chocolate Hazelnut Granola (380g) | £3.43 | £3.54 | + £0.11 3.2% increase |
| | £3.29 | £2.74 | - £0.55 -16.7% decrease |
| | £3.30 | £3.30 | £0.00 -8.5% increase |
| | £3.30 | £3.30 | £0.00 -5.8% increase |
| | £3.29 | £3.30 | + £0.01 -4.2% increase |
| | £2.50 | £3.80 | + £1.30 4.8% increase |
| | £3.29 | £3.29 | £0.00 4.1% increase |
| | £2.49 | £2.49 | £0.00 3.3% increase |
| | £2.50 | £3.45 | + £0.95 7% increase |
| | £3.30 | £2.75 | - £0.55 4.3% decrease |
| | £6.99 | £6.99 | £0.00 3.2% 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 Special K Red Berries Cereal (330g) | £5.15 | £3.56 | - £1.59 -30.9% 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 |
| | £3.29 | £3.29 | £0.00 7.4% increase |
| | £3.45 | £2.85 | - £0.60 3.3% decrease |
| | £3.03 | £3.50 | + £0.47 4.9% increase |
| | £21.99 | £6.49 | - £15.50 -30.9% decrease |
| Kellogg's Pop-Tarts Strawberry Sensation (48g) | £3.45 | £3.53 | + £0.08 2.3% increase |
| | £2.85 | £3.00 | + £0.15 5.3% increase |
| | £2.69 | £3.00 | + £0.31 8.3% increase |
| | £2.50 | £2.50 | £0.00 5.6% increase |
| | £2.85 | £3.00 | + £0.15 5.9% increase |
| | £3.30 | £3.30 | £0.00 4.2% increase |
| | £2.85 | £3.00 | + £0.15 4.6% increase |
| | £3.03 | £3.00 | - £0.03 3.5% decrease |
| | £2.49 | £2.49 | £0.00 3.2% increase |
| | £8.48 | £8.48 | £0.00 2.3% increase |
| Kellogg's Special K Red Berry Cereal Snack Bar (21.5g) | £1.61 | £1.57 | - £0.04 -2.5% decrease |
| | £1.35 | £1.35 | £0.00 No change |
| | £1.30 | £1.35 | + £0.05 1.5% increase |
| | £1.35 | £1.35 | £0.00 1.5% increase |
| | £1.35 | £1.35 | £0.00 0.7% increase |
| | £2.70 | £2.70 | £0.00 0.6% increase |
| | £1.25 | £1.25 | £0.00 0.6% increase |
| | £2.15 | £2.15 | £0.00 No change |
| | £1.78 | £1.35 | - £0.43 -2.4% decrease |
| | £1.29 | £1.29 | £0.00 -2.5% increase |
