Head-to-Head · 2026

Reflex Nutrition Vitamin D3 vs BetterYou Vitamin D3 4000 IU Spray

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 Vitamin D3 has the higher TLL Label Score: 84/100.

Best value per serving: Reflex Nutrition Vitamin D3 at £0.10/serving (score 84).

84/100TLL 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/vitamin-d3, 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 (vitamin D). 50 µg per serving is under the EFSA UL. The number is not an authorised health claim.

Reflex NutritionVitamin D3Vitamin D

★ Winner

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://betteryou.com/products/vitamin-d4000-oral-spray, 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 (vitamin D). 100 µg is at the EFSA adult UL. TLL does not encourage high intake. The number is not an authorised health claim.

BetterYouVitamin D3 4000 IU SprayVitamin D
Serving1 capsule1 spray
Retail£9.99£9.95
listed price / serving£0.10£0.10
Vitamin D350mcg100mcg

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.