| 15 Products | Mar 2025 | Mar 2026 | Change |
| Optimum Nutrition Gold Standard 100% Plant-Based Vanilla Vegan Protein Powder Muscle Support & Repair (684g) | £25.67 | £24.67 | - £1.00 -3.9% decrease |
| | £17.00 | £17.00 | £0.00 No change |
| | £28.00 | £28.00 | £0.00 No change |
| | £28.00 | £28.00 | £0.00 No change |
| | £28.00 | £28.00 | £0.00 No change |
| | £28.00 | £25.00 | - £3.00 -2.3% decrease |
| | £25.00 | £22.00 | - £3.00 -3.9% decrease |
| Optimum Nutrition Gold Standard Pre-Workout Fruit Punch (330g) | £23.66 | £23.98 | + £0.32 1.4% increase |
| | £20.00 | £22.00 | + £2.00 10% increase |
| | £27.00 | £27.00 | £0.00 4.3% increase |
| | £27.00 | £27.00 | £0.00 2.7% increase |
| | £27.00 | £22.00 | - £5.00 -3% decrease |
| | £17.28 | £21.90 | + £4.62 1.4% increase |
| Optimum Nutrition Gold Standard 100% Whey Vanilla Ice Cream Flavour Protein Powder (900g) | £31.60 | £40.32 | + £8.72 27.6% increase |
| | £35.00 | £36.74 | + £1.74 5% increase |
| | £31.00 | £31.00 | £0.00 2.6% increase |
| | £34.00 | £40.00 | + £6.00 7.7% increase |
| | £30.00 | £40.00 | + £10.00 13.7% increase |
| | £28.00 | £53.87 | + £25.87 27.6% increase |
| Optimum Nutrition Whipped Protein Bar Chocolate Caramel Flavour (60g) | £2.44 | £2.63 | + £0.19 7.8% increase |
| | £1.75 | £2.50 | + £0.75 42.9% increase |
| | £2.75 | £2.75 | £0.00 16.9% increase |
| | £2.50 | £2.50 | £0.00 10.7% increase |
| | £2.75 | £2.75 | £0.00 7.8% increase |
| Optimum Nutrition Chocolate Brownie Protein Crisp Bar (65g) | £2.29 | £2.29 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| | £1.90 | £1.90 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| | £2.25 | £2.25 | £0.00 No change |
| Optimum Nutrition Gold Bcaa Raspberry Pomegranate Supplement (266g) | £27.87 | £29.25 | + £1.38 5% increase |
| | £30.00 | £32.00 | + £2.00 6.7% increase |
| | £30.00 | £32.00 | + £2.00 6.7% increase |
| | £28.00 | £28.00 | £0.00 4.6% increase |
| | £23.46 | £25.00 | + £1.54 5% increase |
| Optimum Nutrition Gold Standard 100% Whey Vanilla Ice Cream Whey Protein Powder (450g) | £18.67 | £19.50 | + £0.83 4.4% increase |
| | £20.00 | £22.00 | + £2.00 10% increase |
| | £21.00 | £22.00 | + £1.00 7.3% increase |
| | £15.00 | £14.50 | - £0.50 4.4% decrease |
| Optimum Nutrition Protein Crisp Bar Peanut Butter Flavour (60g) | £1.78 | £1.78 | £0.00 No change |
| | £2.30 | £2.30 | £0.00 No change |
| | £1.25 | £1.25 | £0.00 No change |
| Optimum Nutrition Whipped Protein Bar Variety Pack (606g) | £22.48 | £22.48 | £0.00 No change |
| | £25.00 | £25.00 | £0.00 No change |
| | £19.95 | £19.95 | £0.00 No change |
| Optimum Nutrition Delicious Strawberry Whey Protein Powder (450g) | £17.50 | £18.25 | + £0.75 4.3% increase |
| | £20.00 | £22.00 | + £2.00 10% increase |
| | £15.00 | £14.50 | - £0.50 4.3% decrease |
