| 15 Products | Jan 2025 | Jan 2026 | Change |
| Optimum Nutrition Gold Standard 100% Plant-Based Vanilla Vegan Protein Powder Muscle Support & Repair (684g) | £25.56 | £25.67 | + £0.11 0.4% increase |
| | £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 |
| | £24.37 | £28.00 | + £3.63 0.4% increase |
| Optimum Nutrition Gold Standard Pre-Workout Fruit Punch (330g) | £22.97 | £25.48 | + £2.51 10.9% increase |
| | £20.00 | £24.98 | + £4.98 24.9% increase |
| | £27.00 | £27.00 | £0.00 10.6% increase |
| | £27.00 | £27.00 | £0.00 6.7% increase |
| | £25.50 | £27.00 | + £1.50 6.5% increase |
| | £15.37 | £21.41 | + £6.04 10.9% increase |
| Optimum Nutrition Gold Standard 100% Whey Vanilla Ice Cream Flavour Protein Powder (900g) | £30.00 | £37.92 | + £7.92 26.4% increase |
| | £30.00 | £36.74 | + £6.74 22.5% increase |
| | £31.00 | £31.00 | £0.00 11% increase |
| | £31.00 | £34.00 | + £3.00 10.6% increase |
| | £30.00 | £34.00 | + £4.00 11.3% increase |
| | £28.00 | £53.87 | + £25.87 26.4% increase |
| Optimum Nutrition Whipped Protein Bar Chocolate Caramel Flavour (60g) | £2.44 | £2.62 | + £0.18 7.4% increase |
| | £2.00 | £2.48 | + £0.48 24% increase |
| | £2.75 | £2.75 | £0.00 10.1% increase |
| | £2.25 | £2.50 | + £0.25 10.7% increase |
| | £2.75 | £2.75 | £0.00 7.4% 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) | £27.12 | £29.50 | + £2.38 8.8% increase |
| | £30.00 | £32.00 | + £2.00 6.7% increase |
| | £30.00 | £32.00 | + £2.00 6.7% increase |
| | £25.00 | £25.00 | £0.00 4.7% increase |
| | £23.47 | £28.99 | + £5.52 8.8% increase |
| Optimum Nutrition Gold Standard 100% Whey Vanilla Ice Cream Whey Protein Powder (450g) | £18.31 | £19.42 | + £1.11 6.1% increase |
| | £20.00 | £21.75 | + £1.75 8.8% increase |
| | £21.00 | £22.00 | + £1.00 6.7% increase |
| | £13.94 | £14.50 | + £0.56 6.1% increase |
| 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) | £16.98 | £18.13 | + £1.15 6.8% increase |
| | £20.00 | £21.75 | + £1.75 8.8% increase |
| | £13.95 | £14.50 | + £0.55 6.8% increase |
