| 23 Products | Sep 2025 | Sep 2026 | Change |
| Nature Valley Crunchy Variety Pack Cereal Bars (42g) | £2.63 | £3.52 | + £0.89 33.8% increase |
| | £1.92 | £2.48 | + £0.56 29.2% increase |
| | £2.50 | £2.50 | £0.00 12.7% increase |
| | £2.50 | £2.50 | £0.00 7.8% increase |
| | £2.25 | £2.50 | + £0.25 9.2% increase |
| | £2.85 | £2.85 | £0.00 7.1% increase |
| | £2.18 | £2.60 | + £0.42 8.4% increase |
| | £1.75 | £1.75 | £0.00 7.5% increase |
| | £6.25 | £13.00 | + £6.75 35.6% increase |
| | £1.49 | £1.49 | £0.00 33.8% increase |
| Nature Valley Crunchy Granola Bars Oats & Honey (42g) | £2.07 | £2.20 | + £0.13 6.3% increase |
| | £1.92 | £2.48 | + £0.56 29.2% increase |
| | £2.50 | £2.50 | £0.00 12.7% increase |
| | £2.50 | £2.50 | £0.00 7.8% increase |
| | £2.25 | £2.50 | + £0.25 9.2% increase |
| | £2.85 | £2.85 | £0.00 7.1% increase |
| | £2.18 | £2.60 | + £0.42 8.4% increase |
| | £1.15 | £1.15 | £0.00 8.2% increase |
| | £1.75 | £1.75 | £0.00 7% increase |
| | £1.49 | £1.49 | £0.00 6.3% increase |
| Nature Valley Crunchy Canadian Maple Syrup Cereal Bars (42g, 210g) | £2.01 | £2.17 | + £0.16 8% increase |
| | £1.92 | £2.48 | + £0.56 29.2% increase |
| | £2.50 | £2.50 | £0.00 12.7% increase |
| | £2.50 | £2.50 | £0.00 7.8% increase |
| | £2.25 | £2.50 | + £0.25 9.2% increase |
| | £2.18 | £2.60 | + £0.42 11% increase |
| | £1.50 | £1.50 | £0.00 9.8% increase |
| | £1.75 | £1.75 | £0.00 8.1% increase |
| | £1.49 | £1.49 | £0.00 8% increase |
| Nature Valley Crunchy Oats & Dark Chocolate Cereal Bars (42g) | £2.16 | £2.33 | + £0.17 7.9% increase |
| | £1.92 | £2.48 | + £0.56 29.2% increase |
| | £2.50 | £2.50 | £0.00 12.7% increase |
| | £2.50 | £2.50 | £0.00 7.8% increase |
| | £2.25 | £2.50 | + £0.25 9.2% increase |
| | £2.18 | £2.60 | + £0.42 11% increase |
| | £1.75 | £1.75 | £0.00 9.6% increase |
| | £1.99 | £1.99 | £0.00 7.9% 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) | £2.97 | £2.99 | + £0.02 0.7% increase |
| | £2.36 | £2.50 | + £0.14 5.9% increase |
| | £3.00 | £3.00 | £0.00 2.6% increase |
| | £3.00 | £3.00 | £0.00 1.4% increase |
| | £3.00 | £3.00 | £0.00 1.4% increase |
| | £3.25 | £3.25 | £0.00 1% increase |
| | £3.15 | £3.15 | £0.00 0.7% increase |
| | £3.00 | £3.00 | £0.00 0.7% increase |
| Nature Valley Protein Peanut & Chocolate Cereal Bars (40g) | £2.97 | £2.99 | + £0.02 0.7% increase |
| | £2.36 | £2.50 | + £0.14 5.9% increase |
| | £3.00 | £3.00 | £0.00 2.6% increase |
| | £3.00 | £3.00 | £0.00 1.4% increase |
| | £3.00 | £3.00 | £0.00 1.4% increase |
| | £3.30 | £3.30 | £0.00 1% increase |
| | £3.15 | £3.15 | £0.00 0.7% increase |
| | £3.00 | £3.00 | £0.00 0.7% increase |
| Nature Valley Crunchy Variety Pack Cereal Bars Family Size (42g) | £3.54 | £3.56 | + £0.02 0.6% 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 |
| | £3.75 | £4.00 | + £0.25 0.8% increase |
| | £3.50 | £3.50 | £0.00 0.6% 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 |
