Verdict
TLL Label Scores are shown only for products whose label assessment has been signed off; others are Under review. Labels and listed prices remain available for research.
| Animal | Optimum Nutrition | |
|---|---|---|
| Research records | 9 | 18 |
| Categories covered | 6 | 10 |
| Avg TLL Label Score | — | 70 |
| Approved best score | — | 97 |
| Avg cost / serving | — | £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
EAAs
20/100TLL 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/essential-amino-energy-powder, 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.
Scored against our EAA reference amounts. This product also contains 100 mg caffeine per serving and is not suitable for children or pregnant or breastfeeding women.
Optimum Nutrition
Essential Amino Energy£0.73/serving
Joint Health
90/100TLL 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/collagen-peptides, 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.
Provisional Method B score (joint-health). Serve-size panel variants noted. The number is not an authorised joint, skin, or bone health claim.
Optimum Nutrition
Collagen Peptides£1.25/serving