Verdict
Optimum Nutrition has the higher average TLL Label Score (70 vs 42) across the products we score.
Lower listed average price per serving: HR Labs at £1.17/serving on average. Catalogue mixes and serving sizes differ; this is not a comparison of equivalent doses or a prediction of results. Delivery and checkout costs are excluded, and no approved purchase offer is implied.
| HR Labs | Optimum Nutrition ★ Higher avg | |
|---|---|---|
| Research records | 11 | 18 |
| Categories covered | 8 | 10 |
| Avg TLL Label Score | 42 | 70 |
| Approved best score | 68 | 97 |
| Avg cost / serving | £1.17 | £1.25 |
Category head-to-head
Alphabetically selected research examples where both brands have records; no product winner is selected.
Creatine
Pre-Workout
42/100TLL Label ScoreDose & label check
TLL Label Score rates what's on the label, not the results you'll get. It compares stated doses with amounts used in published research and checks how transparent the label is. It isn't a health claim or medical advice. Source: https://www.optimumnutrition.com/en-gb/products/gold-standard-pre-workout-powder-eu, checked 23 Oct 2026. How we scoreThe TLL Label Score compares the ingredients and amounts declared on the label with the amounts used in published research on those ingredients, and checks how transparent the label is. It rates what's on the label, not the results you'll get. It isn't based on claims made by the brand, doesn't reflect our view of the company, and isn't medical advice. It's for general information only.
Optimum Nutrition
Gold Standard Pre-Workout Powder - 330g (30 Servings)£0.90/serving
Hydration
78/100TLL Label ScoreDose & label check
TLL Label Score rates what's on the label, not the results you'll get. It compares stated doses with amounts used in published research and checks how transparent the label is. It isn't a health claim or medical advice. Source: https://www.tesco.com/groceries/en-GB/products/322153303, checked 19 Oct 2026. How we scoreThe TLL Label Score compares the ingredients and amounts declared on the label with the amounts used in published research on those ingredients, and checks how transparent the label is. It rates what's on the label, not the results you'll get. It isn't based on claims made by the brand, doesn't reflect our view of the company, and isn't medical advice. It's for general information only.
Carbohydrate: — (not declared on the UK label; this part isn't scored and the score is rescaled over the other components).
Optimum Nutrition
Electrolyte Powder£0.30/serving