| 8 Products | May 2023 | May 2024 | Change |
| Fibre One 90 Calorie Triple Choc Cake Bars (25g) | £2.69 | £2.18 | - £0.51 -19% decrease |
| | £2.50 | £1.60 | - £0.90 -36% decrease |
| | £2.20 | £1.60 | - £0.60 -31.9% decrease |
| | £2.90 | £1.50 | - £1.40 -37.9% decrease |
| | £3.00 | £3.00 | £0.00 -27.2% increase |
| | £2.20 | £1.60 | - £0.60 -27.3% decrease |
| | £2.90 | £2.90 | £0.00 -22.5% increase |
| | £2.90 | £1.50 | - £1.40 -26.3% decrease |
| | £1.45 | £1.45 | £0.00 -24.7% increase |
| | £2.29 | £1.49 | - £0.80 -25.4% decrease |
| | £1.50 | £1.50 | £0.00 -23.9% increase |
| | £5.79 | £5.79 | £0.00 -19% increase |
| Fibre One 90 Calorie Chocolate Fudge Brownie Bars Squares Reduced Sugar (24g) | £2.36 | £2.45 | + £0.09 3.8% increase |
| | £2.50 | £1.25 | - £1.25 -50% decrease |
| | £2.50 | £2.90 | + £0.40 -16.8% increase |
| | £2.18 | £2.90 | + £0.72 -1.7% increase |
| | £2.90 | £2.90 | £0.00 -1.2% increase |
| | £3.10 | £3.10 | £0.00 -1.1% increase |
| | £2.20 | £2.90 | + £0.70 3.9% increase |
| | £2.60 | £2.90 | + £0.30 4.7% increase |
| | £1.45 | £1.45 | £0.00 4.5% increase |
| | £1.69 | £1.69 | £0.00 3.8% increase |
| | £2.49 | £2.49 | £0.00 3.8% increase |
| Fibre One 90 Calorie Chocolate Flavour Doughnuts Choc (23g) | £2.08 | £2.09 | + £0.01 0.5% increase |
| | £2.50 | £1.50 | - £1.00 -40% decrease |
| | £1.50 | £2.90 | + £1.40 10% increase |
| | £1.50 | £1.45 | - £0.05 6.6% decrease |
| | £2.50 | £2.50 | £0.00 4.5% increase |
| | £2.50 | £2.90 | + £0.40 7.1% increase |
| | £2.20 | £1.50 | - £0.70 0.5% decrease |
| | £1.45 | £1.45 | £0.00 0.5% increase |
| | £2.50 | £2.50 | £0.00 0.5% increase |
| Fibre One Reduced Sugar Salted Caramel Squares 90 Calorie Drizzle (24g) | £2.31 | £2.23 | - £0.08 -3.5% decrease |
| | £2.90 | £1.50 | - £1.40 -48.3% decrease |
| | £2.50 | £2.90 | + £0.40 -18.5% increase |
| | £2.18 | £1.75 | - £0.43 -19% decrease |
| | £2.20 | £2.90 | + £0.70 -7.8% increase |
| | £2.60 | £2.90 | + £0.30 -3.6% increase |
| | £1.50 | £1.50 | £0.00 -3% increase |
| | £1.69 | £1.50 | - £0.19 -3.6% decrease |
| | £2.89 | £2.89 | £0.00 -3.5% increase |
| Fibre One 90 Calorie Birthday Cake Squares Pack 5 Bars Brownie (24g) | £4.42 | £4.52 | + £0.10 2.3% increase |
| | £2.90 | £2.90 | £0.00 No change |
| | £2.50 | £2.90 | + £0.40 7.4% increase |
| | £2.50 | £1.25 | - £1.25 -10.6% decrease |
| | £2.18 | £2.90 | + £0.72 -1.2% increase |
| | £2.20 | £2.90 | + £0.70 4.5% increase |
| | £2.60 | £2.90 | + £0.30 6% increase |
| | £1.45 | £1.45 | £0.00 5.6% increase |
| | £18.99 | £18.99 | £0.00 2.3% increase |
| Fibre One 90 Calorie Strawberry & Cream Doughnuts (23g) | £2.02 | £2.24 | + £0.22 10.9% increase |
| | £1.50 | £2.90 | + £1.40 93.3% increase |
| | £2.50 | £3.00 | + £0.50 47.5% increase |
| | £1.50 | £1.45 | - £0.05 33.9% decrease |
| | £2.50 | £2.50 | £0.00 23% increase |
| | £2.50 | £2.90 | + £0.40 21.4% increase |
| | £2.20 | £1.50 | - £0.70 12.3% decrease |
| | £1.45 | £1.45 | £0.00 10.9% increase |
| Fibre One Strawberry Cheesecake Bars (25g) | £2.54 | £2.08 | - £0.46 -18.1% decrease |
| | £2.50 | £1.60 | - £0.90 -36% decrease |
| | £2.90 | £1.50 | - £1.40 -42.6% decrease |
| | £2.50 | £1.60 | - £0.90 -40.3% decrease |
| | £2.90 | £2.90 | £0.00 -29.6% increase |
| | £2.05 | £2.60 | + £0.55 -20.6% increase |
| | £2.20 | £1.60 | - £0.60 -21.5% decrease |
| | £2.75 | £2.75 | £0.00 -18.1% increase |
| Fibre One 90 Calorie Red Velvet Cake Bars (25g) | £5.71 | £4.42 | - £1.29 -22.6% decrease |
| | £2.50 | £1.60 | - £0.90 -36% decrease |
| | £2.90 | £2.90 | £0.00 -16.7% increase |
| | £2.20 | £1.60 | - £0.60 -19.8% decrease |
| | £2.90 | £1.50 | - £1.40 -27.8% decrease |
| | £20.85 | £15.99 | - £4.86 -24.7% decrease |
| | £2.90 | £2.90 | £0.00 -22.6% increase |
