| 18 Products | May 2023 | May 2024 | Change |
| Heinz Seriously Good Mayonnaise Squeeze Bottle (775g) | £3.32 | £3.00 | - £0.32 -9.6% decrease |
| | £3.00 | £3.00 | £0.00 No change |
| | £3.50 | £2.99 | - £0.51 -7.7% decrease |
| | £3.50 | £3.00 | - £0.50 -9.9% decrease |
| | £4.00 | £3.40 | - £0.60 -11.4% decrease |
| | £4.00 | £3.40 | - £0.60 -12.2% decrease |
| | £3.20 | £3.20 | £0.00 -10.2% increase |
| | £3.00 | £2.99 | - £0.01 -9.2% decrease |
| | £4.00 | £3.00 | - £1.00 -11.6% decrease |
| | £1.99 | £1.99 | £0.00 -10.4% increase |
| | £2.99 | £2.99 | £0.00 -9.6% increase |
| Heinz Seriously Good Light Mayonnaise - Squeeze Bottle (815g) | £4.80 | £5.07 | + £0.27 5.6% increase |
| | £3.00 | £3.00 | £0.00 No change |
| | £3.50 | £2.99 | - £0.51 -7.7% decrease |
| | £3.50 | £3.00 | - £0.50 -9.9% decrease |
| | £4.00 | £3.40 | - £0.60 -11.4% decrease |
| | £4.00 | £3.40 | - £0.60 -12.2% decrease |
| | £2.97 | £8.97 | + £6.00 18% increase |
| | £4.00 | £3.00 | - £1.00 11.2% decrease |
| | £3.00 | £3.00 | £0.00 10% increase |
| | £2.99 | £2.99 | £0.00 9% increase |
| | £16.99 | £16.99 | £0.00 5.6% increase |
| Heinz Seriously Good Truffle Mayonnaise (220ml) | £2.69 | £2.65 | - £0.04 -1.5% decrease |
| | £2.10 | £2.00 | - £0.10 -4.8% decrease |
| | £2.30 | £2.00 | - £0.30 -9.1% decrease |
| | £2.22 | £2.29 | + £0.07 -5% increase |
| | £2.29 | £2.29 | £0.00 -3.6% increase |
| | £1.90 | £1.90 | £0.00 -2.8% increase |
| | £1.90 | £1.90 | £0.00 -2.8% increase |
| | £1.89 | £1.89 | £0.00 -2.4% increase |
| | £6.95 | £6.95 | £0.00 -1.5% increase |
| Heinz Garlic & Caramelised Onion Mayonnaise (220ml) | £2.39 | £2.46 | + £0.07 2.9% increase |
| | £2.15 | £2.00 | - £0.15 -7% decrease |
| | £2.30 | £2.30 | £0.00 -3.6% increase |
| | £2.29 | £2.29 | £0.00 -2.2% increase |
| | £4.49 | £5.26 | + £0.77 5.3% increase |
| | £2.05 | £2.05 | £0.00 4.5% increase |
| | £1.50 | £1.50 | £0.00 4.5% increase |
| | £2.00 | £2.00 | £0.00 3.8% increase |
| | £2.30 | £2.30 | £0.00 2.9% increase |
| Heinz Seriously Good Light Mayonnaise (570g) | £2.78 | £2.81 | + £0.03 1.1% increase |
| | £2.73 | £2.90 | + £0.17 6.2% increase |
| | £2.80 | £2.80 | £0.00 2.9% increase |
| | £2.75 | £2.80 | + £0.05 2.5% increase |
| | £2.75 | £2.80 | + £0.05 2.5% increase |
| | £2.50 | £2.50 | £0.00 1.8% increase |
| | £2.95 | £2.90 | - £0.05 1.1% decrease |
| | £2.99 | £2.99 | £0.00 1.1% increase |
| Heinz Seriously Good Mayonnaise (540g) | £2.72 | £2.81 | + £0.09 3.3% increase |
| | £2.73 | £2.90 | + £0.17 6.2% increase |
| | £2.80 | £2.80 | £0.00 2.9% increase |
| | £2.75 | £2.80 | + £0.05 2.5% increase |
| | £2.75 | £2.80 | + £0.05 2.5% increase |
| | £2.50 | £2.50 | £0.00 1.8% increase |
| | £2.50 | £2.90 | + £0.40 4.1% increase |
| | £2.99 | £2.99 | £0.00 3.3% increase |
| Heinz Seriously Good Mayonnaise (395g) | £2.31 | £2.31 | £0.00 No change |
| | £2.70 | £2.70 | £0.00 No change |
| | £2.40 | £2.40 | £0.00 No change |
| | £1.85 | £1.85 | £0.00 No change |
| | £2.70 | £2.70 | £0.00 No change |
| | £2.70 | £2.70 | £0.00 No change |
| | £1.50 | £1.50 | £0.00 No change |
| Heinz Seriously Good Mayonnaise Light (420g) | £2.05 | £2.05 | £0.00 No change |
| | £2.70 | £2.70 | £0.00 No change |
| | £2.40 | £2.40 | £0.00 No change |
| | £1.50 | £1.50 | £0.00 No change |
| | £1.50 | £1.50 | £0.00 No change |
| | £1.50 | £1.50 | £0.00 No change |
| | £2.70 | £2.70 | £0.00 No change |
| Heinz Seriously Good Mayonnaise (215g) | £2.06 | £2.07 | + £0.01 0.5% increase |
| | £2.30 | £1.75 | - £0.55 -23.9% decrease |
| | £1.70 | £1.70 | £0.00 -13.5% increase |
| | £1.70 | £2.30 | + £0.60 1.1% increase |
| | £2.30 | £2.30 | £0.00 0.5% increase |
| | £2.30 | £2.30 | £0.00 0.5% increase |
| Heinz Seriously Good Light Mayonnaise (230g) | £2.30 | £2.19 | - £0.11 -4.8% decrease |
| | £2.30 | £1.75 | - £0.55 -23.9% decrease |
| | £2.29 | £2.29 | £0.00 -12.2% increase |
| | £2.30 | £2.30 | £0.00 -8.3% increase |
| | £2.30 | £2.30 | £0.00 -6.1% increase |
| | £2.30 | £2.30 | £0.00 -4.8% increase |
