| 19 Products | May 2024 | May 2025 | Change |
| Optimum Nutrition Gold Standard 100% Plant-Based Vanilla Vegan Protein Powder Muscle Support & Repair (684g) | £25.08 | £25.00 | - £0.08 -0.3% decrease |
| | £17.00 | £17.00 | £0.00 No change |
| | £26.00 | £28.00 | + £2.00 4.7% increase |
| | £28.00 | £28.00 | £0.00 2.8% increase |
| | £28.00 | £28.00 | £0.00 2% increase |
| | £28.00 | £28.00 | £0.00 1.6% increase |
| | £23.00 | £23.00 | £0.00 1.3% increase |
| | £25.55 | £22.99 | - £2.56 -0.3% decrease |
| Optimum Nutrition Gold Standard 100% Whey Double Rich Chocolate Protein Powder (899g) | £30.74 | £32.56 | + £1.82 5.9% increase |
| | £30.00 | £35.00 | + £5.00 16.7% increase |
| | £31.00 | £31.00 | £0.00 8.2% increase |
| | £35.00 | £35.00 | £0.00 5.2% increase |
| | £34.00 | £35.00 | + £1.00 4.6% increase |
| | £30.00 | £35.00 | + £5.00 6.9% increase |
| | £29.00 | £31.99 | + £2.99 7.4% increase |
| | £26.15 | £24.94 | - £1.21 5.9% decrease |
| Optimum Nutrition Gold Standard Pre-Workout Fruit Punch (330g) | £24.24 | £23.66 | - £0.58 -2.4% decrease |
| | £22.00 | £24.98 | + £2.98 13.5% increase |
| | £28.25 | £27.00 | - £1.25 3.4% decrease |
| | £27.00 | £27.00 | £0.00 2.3% increase |
| | £27.00 | £27.00 | £0.00 1.7% increase |
| | £20.95 | £19.95 | - £1.00 0.6% decrease |
| | £20.25 | £16.00 | - £4.25 -2.4% decrease |
| Optimum Nutrition Gold Standard 100% Whey Vanilla Ice Cream Flavour Protein Powder (900g) | £31.07 | £32.50 | + £1.43 4.6% increase |
| | £30.00 | £35.00 | + £5.00 16.7% increase |
| | £31.00 | £31.00 | £0.00 8.2% increase |
| | £34.00 | £35.00 | + £1.00 6.3% increase |
| | £30.00 | £35.00 | + £5.00 8.8% increase |
| | £29.95 | £28.00 | - £1.95 5.8% decrease |
| | £31.49 | £30.99 | - £0.50 4.6% decrease |
| Optimum Nutrition Gold Standard 100% Plant-Based Chocolate Vegan Protein Powder Muscle Support & Repair (684g) | £24.70 | £21.77 | - £2.93 -11.9% 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 |
| | £21.49 | £21.95 | + £0.46 0.5% increase |
| | £28.99 | £13.90 | - £15.09 -11.9% decrease |
| Optimum Nutrition Gold Bcaa Raspberry Pomegranate Supplement (266g) | £26.64 | £28.59 | + £1.95 7.3% increase |
| | £28.00 | £30.00 | + £2.00 7.1% increase |
| | £30.00 | £30.00 | £0.00 3.4% increase |
| | £28.00 | £28.00 | £0.00 2.3% increase |
| | £24.21 | £28.98 | + £4.77 6.2% increase |
| | £22.99 | £25.99 | + £3.00 7.3% increase |
| Optimum Nutrition Whipped Protein Bar Chocolate Caramel Flavour (60g) | £2.26 | £2.62 | + £0.36 15.9% increase |
| | £2.00 | £2.48 | + £0.48 24% increase |
| | £2.30 | £2.75 | + £0.45 21.9% increase |
| | £2.50 | £2.50 | £0.00 13.7% increase |
| | £2.25 | £2.75 | + £0.50 15.9% increase |
| Optimum Nutrition Gold Standard 100% Whey Vanilla Ice Cream Whey Protein Powder (450g) | £21.14 | £17.12 | - £4.02 -19% decrease |
| | £21.00 | £19.00 | - £2.00 -9.5% decrease |
| | £21.00 | £21.00 | £0.00 -4.8% increase |
| | £15.99 | £14.99 | - £1.00 -5.2% decrease |
| | £26.56 | £13.50 | - £13.06 -19% decrease |
| 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 Essential Amino Energy Orange Cooler (270g) | £17.88 | £18.33 | + £0.45 2.5% increase |
| | £11.00 | £11.00 | £0.00 No change |
| | £20.64 | £21.00 | + £0.36 1.1% increase |
| | £22.00 | £22.99 | + £0.99 2.5% increase |
