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ThorneVitamins

Riboflavin 5'-Phosphate, 60 capsules

£23.30 for 60 capsules at Healf. That works out at £1.06 per 100 mg, which ranks it 1st of the 1 riboflavin-5-phosphate products we price across 1 UK retailer.

What it really costs, per 100 mg£1.06One 100 mg dose is our comparison unit for riboflavin (vitamin B2). It is not a recommendation.
A day£1.06
A week£7.45
A month£31.92
A year£388.33

At one 100 mg dose a day, this pack lasts 22 days. A month is 30 days, so twelve of them is not quite a year.

How we worked it out

  • Servings: 60 ÷ 1 per serving = 60
  • In the pack: 60 × 36.5 mg = 2.19 g
  • £23.30 ÷ 2.19 g × 100 mg = £1.06 per 100 mg
  • A week £1.06 × 7 = £7.45 · a month × 30 = £31.92 · a year × 365 = £388.33
  • 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.

How it compares: riboflavin-5-phosphate

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This productCheapest per 100 mgHealf · 36.5 mg a serving · £31.92 a month · a pack lasts 22 days£1.06shown above

Ranked purely by price per 100 mg. 53 combination products also contain riboflavin (vitamin B2).

On the label

Riboflavin (vitamin B2) · Riboflavin-5-phosphate
36.5 mg per serving (stated on the label)
Pack
60 capsules · 60 servings · 1 capsule(s) a serving
Cost per serving
39p (60 servings in the pack)
More label details
Sold by
Healf
What the listing says
“60 capsules” · “Serving Size: One Capsule” · “Riboflavin 5'-Phosphate Sodium) ; 36.5 mg”
Ingredients

Riboflavin (as Riboflavin 5'-Phosphate Sodium), Hypromellose (Derived from Cellulose) Capsule, Bulking Agent (Microcrystalline Cellulose), Anti-Caking Agent (Silicon Dioxide), Anti-Caking Agent (Calcium Laurate)

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

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One 100 mg dose is our comparison unit, not a recommendation.

Price history

No price change since 1 October 2026. Checked on 20 days, most recently 20 October 2026.

Price at every check
£23.30Healf
First recorded
£23.301 Oct
Checked on
20 dayssince 1 Oct
Pack price at each check.
  1. First checked at Healf: £23.30

Questions about this product

How much does Thorne Riboflavin 5'-Phosphate cost per 100 mg?

£1.06 per 100 mg, from £23.30 for 60 capsules at Healf, checked on 20 October 2026.

How long does one pack last?

22 days at one 100 mg dose. The pack holds 2.19 g in total.

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