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VitaminsVegan

Vitamin B3, 30 capsules

£6.19 for 30 capsules at Healf. That works out at £1.03 per 500 mg, which ranks it 5th of the 5 niacinamide products we price across 3 UK retailers.

What it really costs, per 500 mg£1.03One 500 mg dose is our comparison unit for niacin (vitamin B3). It is not a recommendation.

A day£1.03

A week£7.22

A month£30.95

A year£376.56

At one 500 mg dose a day, this pack lasts 6 days. A month is 30 days, so twelve of them is not quite a year.

How we worked it out

Servings: 30 ÷ 1 per serving = 30
In the pack: 30 × 100 mg = 3 g
£6.19 ÷ 3 g × 500 mg = £1.03 per 500 mg
A week £1.03 × 7 = £7.22 · a month × 30 = £30.95 · a year × 365 = £376.56
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 niacinamide

Compare every product in this form →

Niacinamide TabletsCheapest per 500 mgMyprotein · 450 mg a serving · £1.85 a month · a pack lasts 3 months6p£4.99View at Myprotein

Niacinamide TabletsMyprotein · 450 mg a serving · £3.32 a month · a pack lasts 27 days11p£2.99View at Myprotein

NiacinamideHealf · 500 mg a serving · £3.42 a month · a pack lasts 6 months11p£20.49View at Healf

Vitamin B3 (Niacin) 250mgLamberts Healthcare (Nature's Best) · 250 mg a serving · £4.50 a month · a pack lasts 50 days15p£7.50View at Lamberts Healthcare

This productHealf · 100 mg a serving · £30.95 a month · a pack lasts 6 days£1.03shown above

Switching to the Myprotein pack saves £29.10 a month at the same 500 mg dose.

Ranked purely by price per 500 mg. 164 combination products also contain niacin (vitamin B3).

On the label

Niacin (vitamin B3) · Niacinamide: 100 mg per serving (stated on the label)
Pack: 30 capsules · 30 servings · 1 capsule(s) a serving
Cost per serving: 21p (30 servings in the pack)

More label details

Claimed on the listing: vegan
Sold by: Healf
What the listing says: “30 caps” · “per daily intake: 1 capsule” · “Niacin (B3) ; 100mg”

Ingredients

Bulking Agent (Cellulose), Niacin (Nicotinamide), Capsule Shell (Hydroxypropyl Methylcellulose), Anti-Caking Agent (Magnesium Stearate)

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

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Daily dosemgFordays

One 500 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: £6.19Healf
First recorded: £6.191 Oct
Checked on: 20 dayssince 1 Oct

Pack price at each check.

1 OctFirst checked at Healf: £6.19

Questions about this product

How much does BioCare Vitamin B3 cost per 500 mg?

£1.03 per 500 mg, from £6.19 for 30 capsules at Healf, checked on 20 October 2026.

Is it the cheapest niacinamide in the UK?

No, it is 5th of 5. Niacinamide Tablets at Myprotein works out at 6p per 500 mg.

How long does one pack last?

6 days at one 500 mg dose. The pack holds 3 g in total.

About BioCare

All 96 BioCare products, priced per dose

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