| 100 Products | Mar 2024 | Mar 2025 | Change |
| Kellogg's Variety Pack Cereal (196g) | £2.46 | £2.96 | + £0.50 20.3% increase |
| | £1.25 | £2.97 | + £1.72 137.6% increase |
| | £2.50 | £3.00 | + £0.50 59% increase |
| | £2.30 | £3.15 | + £0.85 50.5% increase |
| | £2.37 | £3.00 | + £0.63 43.6% increase |
| | £2.90 | £3.00 | + £0.10 33.6% increase |
| | £1.50 | £3.50 | + £2.00 44.9% increase |
| | £2.50 | £1.75 | - £0.75 32.9% decrease |
| | £1.69 | £1.69 | £0.00 29.6% increase |
| | £2.50 | £3.00 | + £0.50 28.1% increase |
| | £2.49 | £2.49 | £0.00 25.5% increase |
| | £5.05 | £5.05 | £0.00 20.3% increase |
| Kellogg's Crunchy Nut Fruit & Nut Breakfast Granola (380g) | £4.00 | £3.60 | - £0.40 -10% decrease |
| | £3.29 | £3.29 | £0.00 No change |
| | £3.00 | £3.30 | + £0.30 4.8% increase |
| | £3.30 | £3.30 | £0.00 3.1% increase |
| | £3.15 | £3.29 | + £0.14 3.4% increase |
| | £2.50 | £3.80 | + £1.30 11.5% increase |
| | £2.50 | £3.29 | + £0.79 14.2% increase |
| | £2.49 | £2.49 | £0.00 12.5% increase |
| | £2.50 | £3.45 | + £0.95 15.5% increase |
| | £3.30 | £3.30 | £0.00 13.5% increase |
| | £13.99 | £6.49 | - £7.50 -10% 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) | £3.47 | £3.46 | - £0.01 -0.3% decrease |
| | £3.00 | £3.00 | £0.00 No change |
| | £3.00 | £3.00 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| | £2.99 | £3.00 | + £0.01 0.3% increase |
| | £3.10 | £3.10 | £0.00 No change |
| | £3.00 | £3.00 | £0.00 No change |
| | £2.99 | £2.89 | - £0.10 -0.3% decrease |
| | £3.00 | £3.00 | £0.00 -0.3% increase |
| | £2.59 | £2.59 | £0.00 -0.3% increase |
| | £8.48 | £8.48 | £0.00 -0.3% increase |
| Kellogg's Crunchy Nut Chocolate Hazelnut Granola (380g) | £3.30 | £3.65 | + £0.35 10.6% increase |
| | £3.29 | £3.29 | £0.00 No change |
| | £3.00 | £3.30 | + £0.30 4.8% increase |
| | £3.30 | £3.30 | £0.00 3.1% increase |
| | £3.15 | £3.29 | + £0.14 3.4% increase |
| | £2.50 | £3.80 | + £1.30 11.5% increase |
| | £2.50 | £3.29 | + £0.79 14.2% increase |
| | £2.49 | £2.49 | £0.00 12.5% increase |
| | £2.50 | £3.45 | + £0.95 15.5% increase |
| | £3.30 | £3.30 | £0.00 13.5% increase |
| | £6.99 | £6.99 | £0.00 10.6% 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 | £4.92 | £0.00 No change |
| | £3.75 | £3.75 | £0.00 No change |
| | £4.00 | £4.00 | £0.00 No change |
| | £4.00 | £4.00 | £0.00 No change |
| | £3.99 | £3.99 | £0.00 No change |
| | £4.50 | £4.50 | £0.00 No change |
| | £4.50 | £4.50 | £0.00 No change |
| | £4.75 | £4.75 | £0.00 No change |
| | £4.00 | £4.00 | £0.00 No change |
| | £3.74 | £3.74 | £0.00 No change |
| | £11.99 | £11.99 | £0.00 No change |
| Kellogg's Special K Red Berries Cereal (330g) | £5.24 | £3.77 | - £1.47 -28.1% decrease |
| | £3.29 | £3.29 | £0.00 No change |
| | £3.30 | £3.30 | £0.00 No change |
| | £3.30 | £3.50 | + £0.20 1.8% increase |
| | £3.02 | £3.29 | + £0.27 3.7% increase |
| | £2.50 | £4.15 | + £1.65 14% increase |
| | £3.02 | £3.29 | + £0.27 13% increase |
| | £3.45 | £3.75 | + £0.30 12.1% increase |
| | £3.30 | £2.85 | - £0.45 8.9% decrease |
| | £21.99 | £6.49 | - £15.50 -28.1% decrease |
| Kellogg's Pop-Tarts Strawberry Sensation (48g) | £3.53 | £3.53 | £0.00 No change |
| | £3.00 | £3.00 | £0.00 No change |
| | £3.00 | £3.00 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| | £2.99 | £3.00 | + £0.01 0.3% increase |
| | £3.30 | £3.30 | £0.00 No change |
| | £3.00 | £3.00 | £0.00 No change |
| | £3.00 | £3.00 | £0.00 No change |
| | £2.49 | £2.49 | £0.00 No change |
| | £8.48 | £8.48 | £0.00 No change |
| Kellogg's Special K Red Berry Cereal Snack Bar (21.5g) | £1.66 | £1.57 | - £0.09 -5.4% decrease |
| | £1.35 | £1.35 | £0.00 No change |
| | £1.25 | £1.35 | + £0.10 3.8% increase |
| | £1.35 | £1.35 | £0.00 2.3% increase |
| | £1.40 | £1.35 | - £0.05 0.7% decrease |
| | £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 |
| | £2.20 | £1.35 | - £0.85 -5.8% decrease |
| | £1.29 | £1.29 | £0.00 -5.4% increase |
