Brand Showdown · 2026

Bulk vs Reflex Nutrition

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.

Verdict

Reflex Nutrition has the higher average TLL Label Score (84 vs 80) across the products we score.

Lower listed average price per serving: Bulk at £0.62/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.

BulkReflex Nutrition

★ Higher avg

Research records1522
Categories covered1215
Avg TLL Label Score8084
Approved best score9794
Avg cost / serving£0.62£0.78

Category head-to-head

Alphabetically selected research examples where both brands have records; no product winner is selected.

Whey

82/100TLL 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.bulk.com/uk/products/pure-whey-protein/bpb-wpc8-0000, 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.

Bulk

Pure Whey Protein

£0.91/serving

★ Winner

76/100TLL 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://amvibe.co.uk/products/100-whey-reflex-nutrition, 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.

Reflex Nutrition

100% Whey

£0.68/serving

Whey Isolate

82/100TLL 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.bulk.com/uk/products/pure-whey-isolate-90/bpb-wpi9-0000, 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.

Bulk

Pure Whey Isolate

£1.06/serving

86/100TLL 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://shop.theliftinglab.co.uk/products/reflex-nutrition-isolate-pro, checked 25 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.

Reflex Nutrition

Isolate Pro

£1.08/serving

★ Winner

Creatine

95/100TLL 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.bulk.com/uk/products/creatine-monohydrate/bpb-cmon-0000, 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.

Bulk

Creatine Monohydrate

£0.12/serving

★ Winner

94/100TLL 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://reflexnutrition.com/products/creapure-creatine, 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.

Reflex Nutrition

Creatine Capsules (Creapure®)

£0.27/serving

Pre-Workout

62/100TLL 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.bulk.com/uk/products/complete-pre-workout-advanced/bble-cpad, checked 25 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.

Bulk

Pre-Workout Advanced 500g

£0.72/serving

Under review

Reflex Nutrition

Reflex Nutrition The Muscle Bomb

Post-Workout

86/100TLL 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.awin1.com/cread.php?awinmid=4822&awinaffid=2919631&ued=https%3A%2F%2Fwww.bulk.com%2Fuk%2Fproducts%2Faftermath%2Fbpps-amat, checked 25 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.

Creatine, HMB and glutamine are on the label and are not inputs to this post-workout score. Declared leucine is 3 g.

Bulk

Aftermath

£1.00/serving

★ Winner

85/100TLL 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://shop.theliftinglab.co.uk/products/reflex-nutrition-one-stop-xtreme, checked 25 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.

Category note: the live catalogue says post-workout; this score uses the mass-gainer curve. Energy is protein plus carbohydrate only, 504 kcal, below the 600 kcal full-marks line (fat is not in the live panel). Brand name unchanged.

Reflex Nutrition

One Stop Xtreme

£1.50/serving

Multivitamins

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://shop.theliftinglab.co.uk/products/bulk-complete-multivitamin-complex, checked 25 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 (multivitamin). NRV-aligned; vitamin B6 is under the UL. The number is not an authorised health claim.

Bulk

Complete Multivitamin Complex

£0.30/serving

86/100TLL 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://reflexnutrition.com/products/nexgen-multivitamin, checked 25 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 (multivitamin). Vitamin B6 is 10 mg, at the FSA advice ceiling. Zinc, magnesium and vitamin D are under the UL. The number is not an authorised health claim.

Reflex Nutrition

Nexgen® Multivitamin

£0.57/serving

★ Winner

ZMA

Under review

Bulk

ZMA Zinc Magnesium

£0.11/serving

Under review

Reflex Nutrition

Zinc & Magnesium

£0.56/serving

Omega-3

Under review

Bulk

Bulk Super Strength Omega 3 1000mg

£0.19/serving

77/100TLL 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://reflexnutrition.com/products/omega-3, checked 25 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 (omega-3). EPA+DHA is 550 mg per capsule. The number is not an authorised health claim.

Reflex Nutrition

Omega 3

£0.22/serving

Magnesium

Under review

Bulk

Bulk ZMA
80/100TLL 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://reflexnutrition.com/products/magnesium-bisglycinate, checked 25 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. Dose source: live magnesium 125 mg was scored. The brand line is Magnesium Bisglycinate 125 mg. The number is not an authorised health claim.

Reflex Nutrition

Magnesium Bisglycinate

£0.22/serving

How we score

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.

Informational only — not medical advice. Retailer links carry their own disclosures. This never affects scoring.