| 14 Products | May 2023 | May 2024 | Change |
| Kellogg's Special K Red Berry Cereal Snack Bar (21.5g) | £1.57 | £1.67 | + £0.10 6.4% increase |
| | £1.63 | £2.20 | + £0.57 35% increase |
| | £1.63 | £1.40 | - £0.23 10.4% decrease |
| | £2.70 | £2.70 | £0.00 5.5% increase |
| | £1.25 | £1.35 | + £0.10 6.1% increase |
| | £1.00 | £1.35 | + £0.35 9.8% increase |
| | £1.25 | £1.30 | + £0.05 8.9% increase |
| | £1.50 | £2.15 | + £0.65 13.4% increase |
| | £1.89 | £1.29 | - £0.60 6.8% decrease |
| | £1.25 | £1.25 | £0.00 6.4% increase |
| Kellogg's Rice Krispies Squares Chocolatey Snack Bars (36g) | £2.71 | £2.75 | + £0.04 1.5% increase |
| | £1.99 | £1.50 | - £0.49 -24.6% decrease |
| | £1.50 | £1.50 | £0.00 -14.3% increase |
| | £2.40 | £2.40 | £0.00 -8.2% increase |
| | £2.05 | £2.35 | + £0.30 -2.5% increase |
| | £1.25 | £1.25 | £0.00 -2.2% increase |
| | £1.75 | £2.25 | + £0.50 3.3% increase |
| | £2.00 | £2.00 | £0.00 2.2% increase |
| | £1.49 | £1.49 | £0.00 2.2% increase |
| | £9.99 | £9.99 | £0.00 1.5% increase |
| Kellogg's Coco Pops Cereal Bar (20g) | £1.38 | £1.47 | + £0.09 6.5% increase |
| | £2.40 | £2.40 | £0.00 No change |
| | £1.50 | £1.34 | - £0.16 -4.1% decrease |
| | £1.08 | £1.15 | + £0.07 -1.8% increase |
| | £1.15 | £1.35 | + £0.20 2% increase |
| | £1.15 | £1.35 | + £0.20 4.1% increase |
| | £1.15 | £1.35 | + £0.20 5.7% increase |
| | £1.15 | £1.35 | + £0.20 7.3% increase |
| | £1.49 | £1.49 | £0.00 6.5% increase |
| Kellogg's Nutri-Grain Strawberry Snack Bars (37g) | £1.67 | £1.92 | + £0.25 15% increase |
| | £1.50 | £1.75 | + £0.25 16.7% increase |
| | £1.50 | £2.30 | + £0.80 35.3% increase |
| | £1.50 | £1.75 | + £0.25 28.7% increase |
| | £2.10 | £2.65 | + £0.55 27.9% increase |
| | £1.75 | £1.75 | £0.00 22.2% increase |
| | £2.00 | £2.20 | + £0.20 19.7% increase |
| | £1.50 | £1.50 | £0.00 17.8% increase |
| | £1.49 | £1.49 | £0.00 15% increase |
| Kellogg's Frosties Cereal Bars (25g) | £1.24 | £1.34 | + £0.10 8.1% increase |
| | £1.50 | £1.35 | - £0.15 -10% decrease |
| | £1.08 | £1.15 | + £0.07 -3.1% increase |
| | £1.15 | £1.35 | + £0.20 3.2% increase |
| | £1.15 | £1.35 | + £0.20 6.6% increase |
| | £1.15 | £1.35 | + £0.20 8.3% increase |
| | £1.15 | £1.35 | + £0.20 10% increase |
| | £1.49 | £1.49 | £0.00 8.1% increase |
| Kellogg's Nutri-Grain Elevenses Bars Raisin Bakes Snack Bar (45g) | £5.50 | £4.91 | - £0.59 -10.7% decrease |
| | £1.50 | £1.75 | + £0.25 16.7% increase |
| | £2.00 | £1.75 | - £0.25 0% decrease |
| | £1.50 | £2.50 | + £1.00 19.8% increase |
| | £2.50 | £2.50 | £0.00 13.3% increase |
| | £2.60 | £2.60 | £0.00 9.9% increase |
| | £1.50 | £1.50 | £0.00 8.8% increase |
| | £26.90 | £21.79 | - £5.11 -10.7% decrease |
| Kellogg's Special K Milk Chocolate Snack Bars (20g) | £1.36 | £1.43 | + £0.07 5.1% increase |
| | £1.63 | £2.20 | + £0.57 35% increase |
| | £1.63 | £1.40 | - £0.23 10.4% decrease |
| | £1.25 | £1.35 | + £0.10 10% increase |
| | £1.25 | £1.30 | + £0.05 8.3% increase |
| | £1.25 | £1.25 | £0.00 7.1% increase |
| | £1.00 | £1.00 | £0.00 6% increase |
| | £1.50 | £1.50 | £0.00 5.1% increase |
| Kellogg's Nutri-Grain Bakes Chocolate Chip Snack Bar (45g) | £2.20 | £2.28 | + £0.08 3.6% increase |
| | £1.50 | £1.75 | + £0.25 16.7% increase |
| | £2.33 | £2.65 | + £0.32 14.6% increase |
| | £2.50 | £2.50 | £0.00 9% increase |
| | £2.00 | £1.75 | - £0.25 3.8% decrease |
| | £2.50 | £2.50 | £0.00 2.8% increase |
| | £2.35 | £2.50 | + £0.15 3.6% increase |
| Kellogg's Rice Krispies Squares Curious Caramel & Chocolate Snack Bars (36g) | £1.66 | £1.78 | + £0.12 7.2% increase |
| | £1.99 | £1.50 | - £0.49 -24.6% decrease |
| | £1.50 | £1.50 | £0.00 -14.3% increase |
| | £1.25 | £2.25 | + £1.00 10.8% increase |
| | £1.75 | £2.25 | + £0.50 16% increase |
| | £2.00 | £2.00 | £0.00 11.8% increase |
| | £1.49 | £1.19 | - £0.30 7.2% decrease |
| Kellogg's Rice Krispie Squares Cookies & Cream Cereal Bars (34g) | £1.65 | £1.70 | + £0.05 3% increase |
| | £1.50 | £1.50 | £0.00 No change |
| | £2.00 | £2.25 | + £0.25 7.4% increase |
| | £1.75 | £2.25 | + £0.50 14.3% increase |
| | £2.00 | £1.50 | - £0.50 3.9% decrease |
| | £1.00 | £1.00 | £0.00 3% increase |
