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OptibacVitamins

Kids Gummies, Strawberry, 30 gummies

£10.39 for 30 gummies at Healf. 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 1,000 IU£1.73One 1,000 IU dose is our comparison unit for vitamin D3. It is not a recommendation.
A day£1.73
A week£12.12
A month£51.95
A year£632.06

At one 1,000 IU 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

Vitamin D3

  • Servings: 30 ÷ 1 per serving = 30
  • In the pack: 30 × 200 IU = 6,000 IU
  • £10.39 ÷ 6,000 IU × 1,000 IU = £1.73 per 1,000 IU
  • A week £1.73 × 7 = £12.12 · a month × 30 = £51.95 · a year × 365 = £632.06
  • Amount per serving: stated on the label.

Calcium

  • Servings: 30 ÷ 1 per serving = 30
  • In the pack: 30 × 120 mg = 3.6 g
  • £10.39 ÷ 3.6 g × 500 mg = £1.44 per 500 mg calcium
  • A week £1.44 × 7 = £10.10 · a month × 30 = £43.29 · a year × 365 = £526.72
  • Amount per serving: stated on the label.

Inulin / FOS

  • Servings: 30 ÷ 1 per serving = 30
  • In the pack: 30 × 550 mg = 16.5 g
  • £10.39 ÷ 16.5 g × 5 g = £3.15 per 5 g
  • A week £3.15 × 7 = £22.04 · a month × 30 = £94.45 · a year × 365 = £1149.20
  • 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 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 productHealf · 200 IU a serving · £51.95 a month · a pack lasts 6 days£1.73shown above

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

How it compares: other forms of calcium

All 25, ranked →
Calcium 1000mg & Vitamin D3 400iu TabletsCheapest per 500 mg calciumSimply Supplements · 1 g a serving · 94p a month · a pack lasts 12 months3p£11.29View at Simply Supplements (opens in a new tab)
Calcium & Magnesium TabletsMyprotein · 800 mg a serving · £2.29 a month · a pack lasts 5 months8p£10.99View at Myprotein (opens in a new tab)
ZipVitCalcium 400mg with Magnesium 200mgZipVit · 400 mg a serving · £2.29 a month · a pack lasts 9 months8p£21.99View at ZipVit (opens in a new tab)
This productHealf · 120 mg a serving · £43.29 a month · a pack lasts 7 days£1.44shown above

Ranked purely by price per 500 mg calcium. 216 combination products also contain calcium.

How it compares: inulin / FOS

All 10, ranked →
High Fibre Inulin PowderCheapest per 5 gSimply Supplements · 5 g a serving · £4.65 a month · a pack lasts 3 months15p£15.49View at Simply Supplements (opens in a new tab)
Flourishe Gut SupplementLamberts Healthcare (Nature's Best) · 5 g a serving · £4.95 a month · a pack lasts 3 months17p£16.50View at Lamberts Healthcare (opens in a new tab)
Prebiotic Inulin Fibre PowderMyprotein · 12 g a serving · £5.20 a month · a pack lasts 2 months17p£12.49View at Myprotein (opens in a new tab)
This productHealf · 550 mg a serving · £94.45 a month · a pack lasts 3 days£3.15shown above

Ranked purely by price per 5 g. 74 combination products also contain inulin / FOS.

On the label

Vitamin D3 · Vitamin D3
200 IU per serving (stated on the label)
Calcium · Other forms
120 mg per serving (stated on the label)
Pack
30 gummies · 30 servings · 1 gummy(s) a serving
Cost per serving
35p (30 servings in the pack)
More label details
Inulin / FOS · Inulin / FOS
550 mg per serving (stated on the label)
Sold by
Healf
What the listing says
“30 gummies” · “1 gummy a day” · “calcium 120mg, 15% NRV”
Ingredients

Prebiotic FOS (Fructooligosaccharides) 0.55g; apple juice concentrate; apple puree concentrate; strawberry puree concentrate; Calcium (as tricalcium phosphate) (120mg: 17%DV 3 years / 10%DV 4 years+); lemon juice concentrate; pectin; black carrot juice concentrate (for color); natural flavor; citrus fiber; Probiotic cultures: Bacillus coagulans Unique IS-2; Vitamin D3 (5mcg: 33%DV 3 years / 25%DV 4 years+)

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

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One 1,000 IU 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
£10.39Healf
First recorded
£10.391 Oct
Checked on
20 dayssince 1 Oct
Pack price at each check.
  1. First checked at Healf: £10.39

Questions about this product

How much does Optibac Kids Gummies cost per 500 mg calcium?

£1.44 per 500 mg calcium, from £10.39 for 30 gummies at Healf, checked on 20 October 2026.

How long does one pack last?

7 days at one 500 mg dose. The pack holds 3.6 g in total.

How much does Optibac Kids Gummies cost per 5 g?

£3.15 per 5 g, from £10.39 for 30 gummies at Healf, checked on 20 October 2026.

How long does one pack last?

3 days at one 5 g dose. The pack holds 16.5 g in total.

How much does Optibac Kids Gummies cost per 1,000 IU?

£1.73 per 1,000 IU, from £10.39 for 30 gummies at Healf, checked on 20 October 2026.

How long does one pack last?

6 days at one 1,000 IU dose. The pack holds 6,000 IU in total.

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