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Nature's BestMinerals

Prostex - Helps Support Normal Testosterone Levels, Fertility and Reproductive Health, 90 tablets

£15.50 for 90 tablets at Lamberts Healthcare (Nature's Best). It carries more than one active ingredient, so it is not ranked against single-ingredient products. Each price below counts one ingredient only.

What it really costs, per 15 mg zinc52pOne 15 mg dose is our comparison unit for zinc. It is not a recommendation.
A day52p
A week£3.62
A month£15.50
A year£188.58

At one 15 mg dose a day, this pack lasts 30 days. A month is 30 days, so twelve of them is not quite a year.

How we worked it out

Zinc

  • Servings: 90 ÷ 2 per serving = 45
  • In the pack: 45 × 10 mg = 450 mg
  • £15.50 ÷ 450 mg × 15 mg = 51.7p per 15 mg zinc
  • A week 51.7p × 7 = £3.62 · a month × 30 = £15.50 · a year × 365 = £188.58
  • Amount per serving: stated on the label.

Vitamin D3

  • Servings: 90 ÷ 2 per serving = 45
  • In the pack: 45 × 400 IU = 18,000 IU
  • £15.50 ÷ 18,000 IU × 1,000 IU = 86.1p per 1,000 IU
  • A week 86.1p × 7 = £6.03 · a month × 30 = £25.83 · a year × 365 = £314.31
  • 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: other forms of zinc

All 25, ranked →
Zinc 50mgCheapest per 15 mg zincHealf · 50 mg a serving · 84p a month · a pack lasts 10 months3p£8.44View at Healf (opens in a new tab)
Zinc Complex 360 TabletsHealthspan · 15 mg a serving · £1.08 a month · a pack lasts 12 months4p£12.99View at Healthspan (opens in a new tab)
Zinc Transporters TabletsHealf · 22 mg a serving · £1.13 a month · a pack lasts 4 months4p£4.99View at Healf (opens in a new tab)
This productLamberts Healthcare (Nature's Best) · 10 mg a serving · £15.50 a month · a pack lasts 30 days52pshown above

Ranked purely by price per 15 mg zinc. 149 combination products also contain zinc.

How it compares: vitamin D3

All 207, ranked →
WeightWorldHigh-Strength Vitamin D3 TabletsCheapest per 1,000 IUWeightWorld · 4,000 IU a serving · 17p a month · a pack lasts 4.4 years1p£8.99View at WeightWorld (opens in a new tab)
ZipVitVitamin D3 4000iuZipVit · 4,000 IU a serving · 17p a month · a pack lasts 4 years1p£8.49View at ZipVit (opens in a new tab)
WeightWorldVitamin D3 + K2 (MK7) TabletsWeightWorld · 4,000 IU a serving · 21p a month · a pack lasts 4 years1p£9.99View at WeightWorld (opens in a new tab)
This productLamberts Healthcare (Nature's Best) · 400 IU a serving · £25.83 a month · a pack lasts 18 days86pshown above

Ranked purely by price per 1,000 IU. 439 combination products also contain vitamin D3.

On the label

Zinc · Other forms
10 mg per serving (stated on the label)
Vitamin D3 · Vitamin D3
400 IU per serving (stated on the label)
Pack
90 tablets · 45 servings · 2 tablet(s) a serving
Cost per serving
34p (45 servings in the pack)
More label details
Testing
Claimed on the label (not verified by us)
Claimed on the listing
vegetarian
Barcode
5055148409937
Sold by
Lamberts Healthcare (Nature's Best)
What the listing says
“Specifications: 90 Tablets” · “Daily Intake 2 Tablets” · “Vitamin D3 (10µg / 200% NRV)”
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One 15 mg dose is our comparison unit, not a recommendation.

Price history

1 price change since 21 September 2026. Checked on 27 days, most recently 20 October 2026.

Lowest recorded
£14.0021 Sept
Highest recorded
£15.506 Oct
First recorded
£14.0021 Sept
Checked on
27 dayssince 21 Sept
Pack price at each check.
  1. Up at Lamberts Healthcare (Nature's Best): £14.00 → £15.50 (+11%)
  2. First checked at Lamberts Healthcare (Nature's Best): £14.00

Questions about this product

How much does Nature's Best Prostex - Helps Support Normal Testosterone Levels, Fertility and Reproductive Health cost per 1,000 IU?

86p per 1,000 IU, from £15.50 for 90 tablets at Lamberts Healthcare (Nature's Best), checked on 20 October 2026.

How long does one pack last?

18 days at one 1,000 IU dose. The pack holds 18,000 IU in total.

How much does Nature's Best Prostex - Helps Support Normal Testosterone Levels, Fertility and Reproductive Health cost per 15 mg zinc?

52p per 15 mg zinc, from £15.50 for 90 tablets at Lamberts Healthcare (Nature's Best), checked on 20 October 2026.

How long does one pack last?

30 days at one 15 mg dose. The pack holds 450 mg 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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