Vitamin B3 (Niacin) 250mg, 100 tablets
£7.50 for 100 tablets at Lamberts Healthcare (Nature's Best). That works out at 15p per 500 mg, which ranks it 4th of the 5 niacinamide products we price across 3 UK retailers.
At one 500 mg dose a day, this pack lasts 50 days. A month is 30 days, so twelve of them is not quite a year.
How we worked it out
- Servings: 100 ÷ 1 per serving = 100
- In the pack: 100 × 250 mg = 25 g
- £7.50 ÷ 25 g × 500 mg = 15p per 500 mg
- A week 15p × 7 = £1.05 · a month × 30 = £4.50 · a year × 365 = £54.75
- 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 →
Switching to the Myprotein pack saves £2.65 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
- 250 mg per serving (stated on the label)
- Pack
- 100 tablets · 100 servings · 1 tablet(s) a serving
- Cost per serving
- 8p (100 servings in the pack)
More label details
- Testing
- Claimed on the label (not verified by us)
- Claimed on the listing
- vegan, vegetarian
- Barcode
- 5055148401986
- Sold by
- Lamberts Healthcare (Nature's Best)
- What the listing says
- “Specifications: 100 Tablets” · “in a convenient, one-a-day dose” · “Our high-strength niacin tablets deliver a full 250mg of vitamin B3”
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One 500 mg dose is our comparison unit, not a recommendation.
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Filled in from the label’s serving: 1 tablet.
What you paid
Optional. At Lamberts Healthcare today: £7.50.
“Order by” allows 4 working days’ delivery from Lamberts Healthcare and your spare days.
Price history
No price change since 21 September 2026. Checked on 27 days, most recently 20 October 2026.
- Price at every check
- £7.50Lamberts Healthcare (Nature's Best)
- First recorded
- £7.5021 Sept
- Checked on
- 27 dayssince 21 Sept
- First checked at Lamberts Healthcare (Nature's Best): £7.50
Questions about this product
How much does Nature's Best Vitamin B3 (Niacin) 250mg cost per 500 mg?
15p per 500 mg, from £7.50 for 100 tablets at Lamberts Healthcare (Nature's Best), checked on 20 October 2026.
Is it the cheapest niacinamide in the UK?
No, it is 4th of 5. Niacinamide Tablets at Myprotein works out at 6p per 500 mg.
How long does one pack last?
50 days at one 500 mg dose. The pack holds 25 g in total.
About Nature's Best
Founded 1981 · Tunbridge Wells, England · Part of Procter & Gamble
Nature's Best is a vitamins and supplements brand based in Tunbridge Wells, Kent, that has sold direct to the public since 1981. It is a trading name of Lamberts Healthcare Ltd, which also supplies practitioners and pharmacists under the Lamberts name.
All 136 Nature's Best products, priced per doseVisit Nature's Best (opens in a new tab)
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