Bio-K-Mulsion®
£31.82 for 750 servings at Healf. That works out at 1p per 100 µg, which ranks it 1st of the 3 vitamin K1 products we price across 1 UK retailer.
At one 100 µg dose a day, this pack lasts 10.3 years. A month is 30 days, so twelve of them is not quite a year.
How we worked it out
- In the pack: 750 × 500 µg = 375 mg
- £31.82 ÷ 375 mg × 100 µg = 0.849p per 100 µg
- A week 0.849p × 7 = 6p · a month × 30 = 25p · a year × 365 = £3.10
- 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: vitamin K1
All 3, ranked →Ranked purely by price per 100 µg. 22 combination products also contain vitamin K1.
On the label
- Vitamin K1 · Vitamin K1
- 500 µg per serving (stated on the label)
- Pack
- 750 servings · 0.04 ml a serving
- Cost per serving
- 4p (750 servings in the pack)
More label details
- Sold by
- Healf
- What the listing says
- “Servings Per Container: 750” · “1 Drop (0.04mL)” · “Vitamin K (as K1-phytonadione) ; 500 mcg”
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One 100 µg dose is our comparison unit, not a recommendation.
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Filled in from the label’s serving: 0.04 ml.
What you paid
Optional. At Healf today: £31.82.
“Order by” allows 3 working days’ delivery from Healf and your spare days.
Price history
No price change since 1 October 2026. Checked on 20 days, most recently 20 October 2026.
- Price at every check
- £31.82Healf
- First recorded
- £31.821 Oct
- Checked on
- 20 dayssince 1 Oct
- First checked at Healf: £31.82
Questions about this product
How much does Biotics Research Bio-K-Mulsion® cost per 100 µg?
1p per 100 µg, from £31.82 for 750 servings at Healf, checked on 20 October 2026.
Is it the cheapest vitamin K1 in the UK?
Yes. Of the 3 we price across 1 UK retailer, this is the cheapest per 100 µg.
How long does one pack last?
10.3 years at one 100 µg dose. The pack holds 375 mg in total.
About Biotics Research
All 7 Biotics Research products, priced per dose




