| 40 Products | Jul 2024 | Jul 2025 | Change |
| Tesco Garlic Mayonnaise (235ml) | £0.85 | £0.85 | £0.00 No change |
| | £0.85 | £0.85 | £0.00 No change |
| Hellmann's Real Mayonnaise (800g) | £3.60 | £3.60 | £0.00 No change |
| | £3.60 | £3.60 | £0.00 No change |
| Hellmann's Real Mayonnaise Jar (400g) | £2.58 | £2.80 | + £0.22 8.5% increase |
| | £2.58 | £2.80 | + £0.22 8.5% increase |
| Heinz Seriously Good Mayonnaise (215g) | £2.30 | £2.30 | £0.00 No change |
| | £2.30 | £2.30 | £0.00 No change |
| Heinz Seriously Good Light Mayonnaise (570g) | £2.80 | £2.90 | + £0.10 3.6% increase |
| | £2.80 | £2.90 | + £0.10 3.6% increase |
| Free From Tesco Mayonnaise (250ml) | £1.10 | £1.10 | £0.00 No change |
| | £1.10 | £1.10 | £0.00 No change |
| Hellmann's Light Squeezy Mayonnaise (750ml) | £3.90 | £3.40 | - £0.50 -12.8% decrease |
| | £3.90 | £3.40 | - £0.50 -12.8% decrease |
| Winiary Mayonnaise (400ml) | £1.60 | £1.60 | £0.00 No change |
| | £1.60 | £1.60 | £0.00 No change |
| Hellmann's Light Mayonnaise (400g) | £2.58 | £2.80 | + £0.22 8.5% increase |
| | £2.58 | £2.80 | + £0.22 8.5% increase |
| Hellmann's Light Squeezy Mayonnaise (251g) | £1.00 | £1.00 | £0.00 No change |
| | £1.00 | £1.00 | £0.00 No change |
