| 9 Products | May 2024 | May 2025 | Change |
| Fibre One 90 Calorie Triple Choc Cake Bars (25g, 100g) | £2.18 | £2.04 | - £0.14 -6.4% decrease |
| | £1.60 | £1.50 | - £0.10 -6.3% decrease |
| | £1.50 | £1.50 | £0.00 -3.2% increase |
| | £1.60 | £1.60 | £0.00 -2.5% increase |
| | £1.60 | £1.50 | - £0.10 -3.2% decrease |
| | £2.90 | £2.90 | £0.00 -2.2% increase |
| | £1.45 | £1.50 | + £0.05 -1.7% increase |
| | £3.00 | £1.70 | - £1.30 -10.8% decrease |
| | £1.50 | £1.50 | £0.00 -9.5% increase |
| | £1.50 | £1.50 | £0.00 -8.6% increase |
| | £1.49 | £1.49 | £0.00 -7.7% increase |
| | £5.79 | £5.79 | £0.00 -6.4% increase |
| Fibre One 90 Calorie Chocolate Flavour Doughnuts Choc (23g) | £2.57 | £2.33 | - £0.24 -9.3% decrease |
| | £2.50 | £1.50 | - £1.00 -40% decrease |
| | £2.90 | £1.50 | - £1.40 -44.4% decrease |
| | £2.05 | £1.60 | - £0.45 -38.3% decrease |
| | £1.53 | £2.90 | + £1.37 -16.4% increase |
| | £1.45 | £1.50 | + £0.05 -13.9% increase |
| | £3.00 | £3.00 | £0.00 -10.7% increase |
| | £2.20 | £1.50 | - £0.70 -13.5% decrease |
| | £2.50 | £2.50 | £0.00 -11.9% increase |
| | £5.00 | £5.00 | £0.00 -9.3% increase |
| Fibre One 90 Calorie Strawberry & Cream Doughnuts (23g) | £2.08 | £1.98 | - £0.10 -4.8% decrease |
| | £2.50 | £1.50 | - £1.00 -40% decrease |
| | £2.90 | £2.90 | £0.00 -18.5% increase |
| | £2.05 | £1.60 | - £0.45 -19.4% decrease |
| | £1.53 | £2.90 | + £1.37 -0.9% increase |
| | £1.45 | £1.45 | £0.00 -1% increase |
| | £3.00 | £3.00 | £0.00 -0.4% increase |
| | £2.20 | £1.50 | - £0.70 -4.9% decrease |
| | £0.99 | £0.99 | £0.00 -4.8% increase |
| Fibre One 90 Calorie Protein Caramel Bars (24g) | £8.12 | £8.12 | £0.00 No change |
| | £3.00 | £3.00 | £0.00 No change |
| | £3.00 | £3.00 | £0.00 No change |
| | £3.00 | £3.00 | £0.00 No change |
| | £2.99 | £2.99 | £0.00 No change |
| | £3.00 | £3.00 | £0.00 No change |
| | £3.00 | £3.00 | £0.00 No change |
| | £24.00 | £24.00 | £0.00 No change |
| | £22.99 | £22.99 | £0.00 No change |
| Fibre One 90 Calorie Birthday Cake Squares Pack 5 Bars Brownie (24g, 120g) | £4.43 | £4.36 | - £0.07 -1.6% decrease |
| | £1.25 | £1.45 | + £0.20 16% increase |
| | £2.90 | £2.90 | £0.00 4.8% increase |
| | £2.90 | £2.90 | £0.00 3% increase |
| | £2.08 | £1.25 | - £0.83 -6.6% decrease |
| | £1.45 | £1.45 | £0.00 -6.1% increase |
| | £3.00 | £3.00 | £0.00 -4.4% increase |
| | £2.90 | £2.90 | £0.00 -3.8% increase |
| | £18.99 | £18.99 | £0.00 -1.6% increase |
| Fibre One Salted Caramel Bars () | £2.18 | £2.06 | - £0.12 -5.5% decrease |
| | £2.08 | £1.25 | - £0.83 -39.9% decrease |
| | £2.90 | £2.90 | £0.00 -16.5% increase |
| | £2.60 | £2.60 | £0.00 -11.1% increase |
| | £1.50 | £1.50 | £0.00 -9.3% increase |
| | £2.00 | £2.00 | £0.00 -7.7% increase |
| | £1.25 | £1.25 | £0.00 -6.8% increase |
| | £2.90 | £2.90 | £0.00 -5.5% increase |
| Fibre One Strawberry Cheesecake Bars (25g, 100g) | £2.09 | £2.08 | - £0.01 -0.5% decrease |
| | £1.60 | £1.60 | £0.00 No change |
| | £2.90 | £2.90 | £0.00 No change |
| | £2.60 | £2.60 | £0.00 No change |
| | £1.60 | £1.50 | - £0.10 -1.4% decrease |
| | £2.75 | £2.75 | £0.00 -0.9% increase |
| | £1.65 | £1.70 | + £0.05 No change |
| | £1.50 | £1.50 | £0.00 -0.5% increase |
| Fibre One 90 Calorie Red Velvet Cake Bars (24g) | £4.40 | £4.27 | - £0.13 -3% decrease |
| | £1.60 | £0.80 | - £0.80 -50% decrease |
| | £1.50 | £1.50 | £0.00 -25.8% increase |
| | £2.90 | £2.90 | £0.00 -13.5% increase |
| | £2.90 | £2.90 | £0.00 -9% increase |
| | £1.50 | £1.50 | £0.00 -7.7% increase |
| | £15.99 | £15.99 | £0.00 -3% increase |
| Fibre One 90 Calorie Chocolate Fudge Brownies (24g) | £5.99 | £5.99 | £0.00 No change |
| | £5.99 | £5.99 | £0.00 No change |
