| 23 Products | Aug 2025 | Aug 2026 | Change |
| Nature Valley Crunchy Variety Pack Cereal Bars (42g, 210g) | £2.69 | £3.18 | + £0.49 18.2% increase |
| | £1.74 | £1.75 | + £0.01 0.6% increase |
| | £2.50 | £2.50 | £0.00 0.5% increase |
| | £1.75 | £2.50 | + £0.75 12.5% increase |
| | £2.50 | £2.50 | £0.00 9% increase |
| | £2.85 | £2.85 | £0.00 6.6% increase |
| | £2.60 | £1.75 | - £0.85 -0.4% decrease |
| | £2.50 | £1.75 | - £0.75 -5.1% decrease |
| | £6.25 | £11.52 | + £5.27 19.4% increase |
| | £1.49 | £1.49 | £0.00 18.2% increase |
| Nature Valley Crunchy Granola Bars Oats & Honey (42g) | £2.18 | £1.94 | - £0.24 -11% decrease |
| | £1.74 | £1.75 | + £0.01 0.6% increase |
| | £2.50 | £2.50 | £0.00 0.5% increase |
| | £2.25 | £2.50 | + £0.25 4.2% increase |
| | £2.50 | £1.75 | - £0.75 -5.3% decrease |
| | £2.85 | £2.85 | £0.00 -4.2% increase |
| | £2.60 | £1.75 | - £0.85 -9.5% decrease |
| | £1.15 | £1.15 | £0.00 -8.5% increase |
| | £2.50 | £1.75 | - £0.75 -11.5% decrease |
| | £1.49 | £1.49 | £0.00 -11% increase |
| Nature Valley Crunchy Canadian Maple Syrup Cereal Bars (42g) | £2.11 | £1.97 | - £0.14 -6.6% decrease |
| | £1.74 | £1.75 | + £0.01 0.6% increase |
| | £2.50 | £2.50 | £0.00 0.5% increase |
| | £2.50 | £2.50 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| | £2.18 | £1.75 | - £0.43 -3.5% decrease |
| | £1.50 | £1.50 | £0.00 -3.3% increase |
| | £2.50 | £1.75 | - £0.75 -7.3% decrease |
| | £1.49 | £1.49 | £0.00 -6.6% increase |
| Nature Valley Crunchy Oats & Dark Chocolate Cereal Bars (42g) | £2.24 | £2.00 | - £0.24 -10.7% decrease |
| | £1.74 | £1.75 | + £0.01 0.6% increase |
| | £2.50 | £2.50 | £0.00 0.5% increase |
| | £2.25 | £2.50 | + £0.25 4.2% increase |
| | £2.50 | £1.75 | - £0.75 -5.3% decrease |
| | £2.18 | £1.75 | - £0.43 -8.1% decrease |
| | £2.50 | £1.75 | - £0.75 -12.3% decrease |
| | £1.99 | £1.99 | £0.00 -10.7% increase |
| Nature Valley Full Mix Cranberry & Peanut Butter Cereal Bars (40g) | £2.80 | £2.80 | £0.00 No change |
| | £2.90 | £2.90 | £0.00 No change |
| | £2.89 | £2.89 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| | £2.90 | £2.90 | £0.00 No change |
| | £2.90 | £2.90 | £0.00 No change |
| | £3.00 | £3.00 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| Nature Valley Protein Salted Caramel Nut Cereal Bars (40g) | £2.88 | £3.05 | + £0.17 5.9% increase |
| | £2.78 | £2.98 | + £0.20 7.2% increase |
| | £3.00 | £3.00 | £0.00 3.5% increase |
| | £3.00 | £3.00 | £0.00 2% increase |
| | £2.83 | £3.00 | + £0.17 3.4% increase |
| | £3.25 | £3.25 | £0.00 2.7% increase |
| | £2.83 | £3.15 | + £0.32 3.7% increase |
| | £2.50 | £3.00 | + £0.50 5.9% increase |
| Nature Valley Protein Peanut & Chocolate Cereal Bars (40g) | £2.92 | £3.06 | + £0.14 4.8% increase |
| | £2.78 | £2.98 | + £0.20 7.2% increase |
| | £3.00 | £3.00 | £0.00 3.5% increase |
| | £3.00 | £3.00 | £0.00 2% increase |
| | £3.00 | £3.00 | £0.00 1.7% increase |
| | £3.30 | £3.30 | £0.00 1.3% increase |
| | £2.83 | £3.15 | + £0.32 2.7% increase |
| | £2.50 | £3.00 | + £0.50 4.8% increase |
| Nature Valley Crunchy Variety Pack Cereal Bars Family Size (42g) | £3.50 | £3.56 | + £0.06 1.7% increase |
| | £3.50 | £3.47 | - £0.03 -0.9% decrease |
| | £3.50 | £3.45 | - £0.05 -1.1% decrease |
| | £3.50 | £3.50 | £0.00 -0.9% increase |
| | £3.50 | £3.50 | £0.00 -0.6% increase |
| | £3.50 | £3.50 | £0.00 -0.6% increase |
| | £3.50 | £4.00 | + £0.50 2% increase |
| | £3.50 | £3.50 | £0.00 1.7% increase |
| Nature Valley Crunchy Peanut Butter Cereal Bars (42g) | £3.92 | £3.92 | £0.00 No change |
| | £2.39 | £2.39 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| | £2.40 | £2.40 | £0.00 No change |
| | £1.75 | £1.75 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| | £11.95 | £11.95 | £0.00 No change |
| Nature Valley Fruit & Nut Cranberry Raisin Almond Peanut Bars 4x4x30g (30g) | £1.88 | £1.88 | £0.00 No change |
| | £0.50 | £0.50 | £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 |
| | £2.30 | £2.30 | £0.00 No change |
| | £1.75 | £1.75 | £0.00 No change |