The Lifting Lab · Red Flags · 2026
Supplement Watch-Outs UK 2026
The other side of the scoreboard. These are the lowest-scoring products in each category — underdosed formulas, proprietary blends and poor value versus the evidence-based reference. Every one is paired with a higher-scoring pick to buy instead.
We currently flag 12 products across 7 categories. A product only appears here when it scores below our 50 pass bar and a clearly better option exists.
How to read this
A watch-out is a product that misses our evidence-based dosing bar and is beaten by a better option — not a claim that it is unsafe or defective. Scores reflect The Lifting Lab Effectiveness Match methodology (label doses vs reference ranges) and are our editorial opinion. Always check the current product label; this page is informational only and not medical advice.
Protein
Build quality muscle
Whey
- Effectiveness Match 38/100 — below our 50 pass bar
- Costs £1.42 per serving — no cheaper than our top pick, yet scores 51 points lower
Performance
Energy, focus & stamina
Pre-Workout
- Effectiveness Match 31/100 — below our 50 pass bar
- Effectiveness Match 49/100 — below our 50 pass bar
Creatine
- Effectiveness Match 41/100 — below our 50 pass bar
- Effectiveness Match 41/100 — below our 50 pass bar
- Uses a proprietary blend, so individual ingredient doses are not disclosed on the label
- Costs £0.70 per serving — no cheaper than our top pick, yet scores 55 points lower
Aminos
Fuel & repair muscle
Recovery
Bounce back faster
Post-Workout
- Effectiveness Match 46/100 — below our 50 pass bar
- Effectiveness Match 48/100 — below our 50 pass bar
- Costs £2.30 per serving — no cheaper than our top pick, yet scores 52 points lower
Wellbeing
Vitamins & daily health
Vitamins
- Effectiveness Match 45/100 — below our 50 pass bar
- Costs £0.75 per serving — no cheaper than our top pick, yet scores 46 points lower
- Effectiveness Match 47/100 — below our 50 pass bar
- Costs £1.17 per serving — no cheaper than our top pick, yet scores 44 points lower
How watch-outs are decided
Every product earns an Effectiveness Match score (0–100) measuring how closely its active doses match the evidence-based clinical reference for its category. A product is flagged here only when it scores below our 50 pass bar and a clearly higher-scoring option exists in the same category. See the full methodology → Decode the label jargon → Bust the supplement myths →
Informational only — not medical advice. Buy links are affiliate links; we may earn a commission at no extra cost to you. This never affects scoring.