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VitaminsVegan

Niacinamide Tablets, 30 tablets

£2.99 for 30 tablets at Myprotein. That works out at 11p per 500 mg, which ranks it 2nd of the 5 niacinamide products we price across 3 UK retailers.

What it really costs, per 500 mg11pOne 500 mg dose is our comparison unit for niacin (vitamin B3). It is not a recommendation.

A day11p

A week78p

A month£3.32

A year£40.42

At one 500 mg dose a day, this pack lasts 27 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 × 450 mg = 13.5 g
£2.99 ÷ 13.5 g × 500 mg = 11.1p per 500 mg
A week 11.1p × 7 = 78p · a month × 30 = £3.32 · a year × 365 = £40.42
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

All 5, ranked →

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

This productMyprotein · 450 mg a serving · £3.32 a month · a pack lasts 27 days11pshown above

Switching to the Myprotein pack saves £1.47 a month at the same 500 mg dose.

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

Pack sizes

Pack	Price	Per dose	A year
90 tablets	£4.99	6p	£22.49
30 tabletsthis pack	£2.99	11p	£40.42

At one 500 mg dose a day, the 90 tablets pack costs £17.93 less a year than this one.

On the label

Niacin (vitamin B3) · Niacinamide: 450 mg per serving (stated on the label)
Pack: 30 tablets · 30 servings · 1 tablet(s) a serving
Cost per serving: 10p (30 servings in the pack)

More label details

Claimed on the listing: vegan, vegetarian
Barcode: 5059883308951
Sold by: Myprotein
What the listing says: “30Tablets” · “Consume 1 tablet as a daily serving” · “Niacin ; 450mg ; 2813”

Ingredients

Niacin, Bulking Agent (Microcrystalline Cellulose), Anti-Caking Agents (Magnesium Stearate, Silicon Dioxide).

From the Myprotein 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 3 October 2026. Checked on 18 days, most recently 20 October 2026.

Price at every check: £2.99Myprotein
First recorded: £2.993 Oct
Checked on: 18 dayssince 3 Oct

Pack price at each check.

3 OctFirst checked at Myprotein: £2.99

Questions about this product

How much does Myvitamins Niacinamide Tablets cost per 500 mg?

11p per 500 mg, from £2.99 for 30 tablets at Myprotein, checked on 20 October 2026.

Is it the cheapest niacinamide in the UK?

No, it is 2nd of 5. Niacinamide Tablets at Myprotein works out at 6p per 500 mg.

How long does one pack last?

27 days at one 500 mg dose. The pack holds 13.5 g in total.

About Myvitamins

Founded 2012 · Manchester, England · Part of THG plc

Myvitamins is a vitamins and supplements brand launched in August 2012 by The Hut Group, now THG plc, as a sister brand to Myprotein. It is run by THG Nutrition, part of Manchester-based THG.

All 118 Myvitamins products, priced per dose Visit Myvitamins (opens in a new tab)