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VitaBrightVitaminsVegan

Biotin Hair Growth Supplement, 400 tablets

£19.99 for 400 tablets at VitaBright. That works out at 2p per 5 mg, which ranks it 2nd of the 20 biotin products we price across 10 UK retailers.

What it really costs, per 5 mg2pOne 5 mg dose is our comparison unit for biotin. It is not a recommendation.
A day2p
A week15p
A month62p
A year£7.60

At one 5 mg dose a day, this pack lasts 2.6 years. A month is 30 days, so twelve of them is not quite a year.

How we worked it out

  • Servings: 400 ÷ 1 per serving = 400
  • In the pack: 400 × 12 mg = 4,800 mg
  • £19.99 ÷ 4,800 mg × 5 mg = 2.08p per 5 mg
  • A week 2.08p × 7 = 15p · a month × 30 = 62p · a year × 365 = £7.60
  • Amount per serving: stated on the label.

The standard dose is a comparison unit, not a recommendation. Always confirm the price on the retailer's site. How we compare everything.

Cheaper biotin

All 20, ranked →
WeightWorldBiotin Vitamin B7 TabletsCheapest per 5 mgWeightWorld · 12 mg a serving · 34p a month · a pack lasts 2.4 years1p£9.99View at WeightWorld (opens in a new tab)
VitaBrightThis productVitaBright · 12 mg a serving · 62p a month · a pack lasts 2.6 years2pshown above

Switching to the WeightWorld pack saves 28p a month at the same 5 mg dose.

Ranked purely by price per 5 mg. 244 combination products also contain biotin.

On the label

Biotin · Biotin
12 mg per serving (stated on the label)
Pack
400 tablets · 400 servings · 1 tablet(s) a serving
Cost per serving
5p (400 servings in the pack)
More label details
Claimed on the listing
vegan
Sold by
VitaBright
What the listing says
“400 Tablets” · “Servings Per Container: 400” · “Serving Size: 1 Tablet” · “Biotin ; 12,000 mcg”
Ingredients

Bulking Agents (Dicalcium Phosphate, Microcrystalline Cellulose), Coconut Oil Powder, D-Biotin, Anti-Caking Agents (Magnesium Stearate, Silicon Dioxide).

From the VitaBright listing. Check the pack itself if you have an allergy: labels mark allergens in bold.

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One 5 mg dose is our comparison unit, not a recommendation.

Price history

No price change since 9 October 2026. Checked on 1 day, most recently 9 October 2026.

Price at every check
£19.99VitaBright
First recorded
£19.999 Oct
Checked on
1 daysince 9 Oct

Checked once so far, on 9 October 2026.

  1. First checked at VitaBright: £19.99

Questions about this product

How much does VitaBright Biotin Hair Growth Supplement cost per 5 mg?

2p per 5 mg, from £19.99 for 400 tablets at VitaBright, checked on 9 October 2026.

Is it the cheapest biotin in the UK?

No, it is 2nd of 20. Biotin Vitamin B7 Tablets at WeightWorld works out at 1p per 5 mg.

How long does one pack last?

2.6 years at one 5 mg dose. The pack holds 4,800 mg in total.

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