| 21 Products | May 2025 | May 2026 | Change |
| Biotiful Kefir Drink Natural (500ml) | £2.55 | £2.37 | - £0.18 -7.1% decrease |
| | £2.60 | £2.60 | £0.00 No change |
| | £2.60 | £2.60 | £0.00 No change |
| | £2.85 | £2.85 | £0.00 No change |
| | £2.38 | £1.75 | - £0.63 -6.1% decrease |
| | £2.23 | £2.18 | - £0.05 -5.1% decrease |
| | £2.60 | £2.00 | - £0.60 -8.3% decrease |
| | £2.60 | £2.60 | £0.00 -7.1% increase |
| Biotiful Dairy Kefir Drink Natural Original (250ml) | £1.56 | £1.56 | £0.00 No change |
| | £1.65 | £1.65 | £0.00 No change |
| | £1.75 | £1.75 | £0.00 No change |
| | £1.65 | £1.65 | £0.00 No change |
| | £1.80 | £1.80 | £0.00 No change |
| | £1.65 | £1.65 | £0.00 No change |
| | £1.00 | £1.00 | £0.00 No change |
| | £1.45 | £1.45 | £0.00 No change |
| Biotiful Morello Cherry Kefir (250ml) | £1.62 | £1.63 | + £0.01 0.6% increase |
| | £1.65 | £1.65 | £0.00 No change |
| | £1.65 | £1.65 | £0.00 No change |
| | £1.60 | £1.65 | + £0.05 1.2% increase |
| | £1.60 | £1.60 | £0.00 0.6% increase |
| | £1.75 | £1.75 | £0.00 0.6% increase |
| | £1.45 | £1.45 | £0.00 0.6% increase |
| Biotiful Dairy Kefir Drink (1l) | £3.53 | £3.49 | - £0.04 -1.1% decrease |
| | £3.50 | £3.50 | £0.00 No change |
| | £3.50 | £3.50 | £0.00 No change |
| | £3.70 | £3.75 | + £0.05 0.3% increase |
| | £3.50 | £3.18 | - £0.32 -2% decrease |
| | £3.50 | £3.50 | £0.00 -1.4% increase |
| | £3.50 | £3.50 | £0.00 -1.1% increase |
| Biotiful Strawberry Kefir Drink (500ml) | £2.31 | £2.37 | + £0.06 2.6% increase |
| | £2.59 | £2.59 | £0.00 No change |
| | £1.75 | £1.75 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| | £2.60 | £2.60 | £0.00 No change |
| | £2.25 | £2.60 | + £0.35 3% increase |
| | £2.15 | £2.15 | £0.00 2.6% increase |
| Biotiful Dairy Kefir Drink Morello Cherry (500ml) | £2.54 | £2.33 | - £0.21 -8.3% decrease |
| | £2.60 | £2.60 | £0.00 No change |
| | £2.85 | £2.85 | £0.00 No change |
| | £2.38 | £1.75 | - £0.63 -8% decrease |
| | £2.23 | £2.18 | - £0.05 -6.7% decrease |
| | £2.60 | £2.00 | - £0.60 -9.9% decrease |
| | £2.60 | £2.60 | £0.00 -8.3% increase |
| Biotiful Dairy Kefir Slurpy Drink Strawberry (100ml) | £0.74 | £0.74 | £0.00 No change |
| | £0.75 | £0.75 | £0.00 No change |
| | £0.75 | £0.75 | £0.00 No change |
| | £0.70 | £0.70 | £0.00 No change |
| | £0.75 | £0.75 | £0.00 No change |
| | £0.75 | £0.75 | £0.00 No change |
| | £0.75 | £0.75 | £0.00 No change |
| Yeo Valley Organic Raspberry Kefir Yogurt (100g) | £2.35 | £2.49 | + £0.14 6% increase |
| | £2.21 | £2.75 | + £0.54 24.4% increase |
| | £2.50 | £2.60 | + £0.10 13.6% increase |
| | £2.50 | £2.50 | £0.00 9.2% increase |
| | £2.55 | £2.60 | + £0.05 7% increase |
| | £2.00 | £2.00 | £0.00 6% increase |
| Biotiful Kefir Cultured Dairy Drink Vanilla (500ml) | £2.15 | £2.05 | - £0.10 -4.7% decrease |
| | £1.30 | £1.30 | £0.00 No change |
| | £2.25 | £2.60 | + £0.35 9.6% increase |
| | £2.60 | £2.00 | - £0.60 -3.9% decrease |
| | £2.35 | £1.75 | - £0.60 -10.3% decrease |
| | £2.25 | £2.60 | + £0.35 -4.7% increase |
| Biotiful Kefir Shot Original (100ml) | £2.77 | £2.77 | £0.00 No change |
| | £2.00 | £2.00 | £0.00 No change |
| | £2.95 | £2.95 | £0.00 No change |
| | £2.95 | £2.95 | £0.00 No change |
| | £2.95 | £2.95 | £0.00 No change |
| | £3.00 | £3.00 | £0.00 No change |
