Immunity Booster, 90 capsules
£12.99 for 90 capsules 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.
At one 1 g dose a day, this pack lasts 7 days. A month is 30 days, so twelve of them is not quite a year.
How we worked it out
Vitamin C
- Servings: 90 ÷ 3 per serving = 30
- In the pack: 30 × 225 mg = 6.75 g
- £12.99 ÷ 6.75 g × 1 g = £1.92 per 1 g
- A week £1.92 × 7 = £13.47 · a month × 30 = £57.73 · a year × 365 = £702.42
- Amount per serving: stated on the label.
Elderberry
- Servings: 90 ÷ 3 per serving = 30
- In the pack: 30 × 300 mg = 9 g
- £12.99 ÷ 9 g × 500 mg = 72.2p per 500 mg
- A week 72.2p × 7 = £5.05 · a month × 30 = £21.65 · a year × 365 = £263.41
- Amount per serving: extract weight stated on the label.
Ginger
- Servings: 90 ÷ 3 per serving = 30
- In the pack: 30 × 180 mg = 5.4 g
- £12.99 ÷ 5.4 g × 500 mg = £1.20 per 500 mg
- A week £1.20 × 7 = £8.42 · a month × 30 = £36.08 · a year × 365 = £439.01
- Amount per serving: extract weight stated on the label.
Selenium
- Servings: 90 ÷ 3 per serving = 30
- In the pack: 30 × 60 µg = 1.8 mg
- £12.99 ÷ 1.8 mg × 100 µg = 72.2p per 100 µg selenium
- A week 72.2p × 7 = £5.05 · a month × 30 = £21.65 · a year × 365 = £263.41
- Amount per serving: stated on the label.
Vitamin D3
- Servings: 90 ÷ 3 per serving = 30
- In the pack: 30 × 600 IU = 18,000 IU
- £12.99 ÷ 18,000 IU × 1,000 IU = 72.2p per 1,000 IU
- A week 72.2p × 7 = £5.05 · a month × 30 = £21.65 · a year × 365 = £263.41
- Amount per serving: stated on the label.
Zinc
- Servings: 90 ÷ 3 per serving = 30
- In the pack: 30 × 7.5 mg = 225 mg
- £12.99 ÷ 225 mg × 15 mg = 86.6p per 15 mg zinc
- A week 86.6p × 7 = £6.06 · a month × 30 = £25.98 · a year × 365 = £316.09
- 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 C
All 113, ranked →Ranked purely by price per 1 g. 950 combination products also contain vitamin C.
How it compares: elderberry extract
Compare every product in this form →Ranked purely by price per 500 mg. 22 combination products also contain elderberry.
How it compares: ginger extract
Compare every product in this form →Ranked purely by price per 500 mg. 56 combination products also contain ginger.
How it compares: selenium selenomethionine
All 10, ranked →Ranked purely by price per 100 µg selenium. 80 combination products also contain selenium.
How it compares: vitamin D3
All 207, ranked →Ranked purely by price per 1,000 IU. 439 combination products also contain vitamin D3.
How it compares: zinc bisglycinate
All 10, ranked →Ranked purely by price per 15 mg zinc. 115 combination products also contain zinc.
On the label
- Vitamin C · Standard (ascorbic acid and ascorbates)
- 225 mg per serving (stated on the label)
- Elderberry · Elderberry extract
- 300 mg per serving (extract weight stated on the label)
- Pack
- 90 capsules · 30 servings · 3 capsule(s) a serving
- Cost per serving
- 43p (30 servings in the pack)
More label details
- Ginger · Extract
- 180 mg per serving (extract weight stated on the label)
- Selenium · Selenomethionine
- 60 µg per serving (stated on the label)
- Vitamin D3 · Vitamin D3
- 600 IU per serving (stated on the label)
- Zinc · Bisglycinate
- 7.5 mg per serving (stated on the label)
- Sold by
- Healf
- What the listing says
- “90 caps” · “Servings Per Container: 30” · “Serving Size: 3 capsules” · “Elderberry Extract 10:1 ; 300 mg”
Ingredients
Elderberry Extract 10:1, Oyster Mushroom Extract (30% Beta-Glucans), Sea Buckthorn Extract 10:1, Deodorised Garlic Extract 10:1, Vitamin C (as L‑Ascorbic Acid), Ginger Extract 10:1, Turmeric Long Extract (95% Curcuminoids), Extract of Purple Coneflower (4% Polyphenols), Black Pepper Extract (95 % Piperine), Zinc (Zinc Bisglycinate), Selenium (L-Selenomethionine), Vitamin D3 (as Cholecalciferol) (600 IU), Cellulose Capsules, Rice Flour, 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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One 1 g dose is our comparison unit, not a recommendation.
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Filled in from the label’s serving: 3 capsules.
What you paid
Optional. At Healf today: £12.99.
“Order by” allows 3 working days’ delivery from Healf and your spare days.
Price history
No price change since 1 October 2026. Checked on 20 days, most recently 20 October 2026.
- Price at every check
- £12.99Healf
- First recorded
- £12.991 Oct
- Checked on
- 20 dayssince 1 Oct
- First checked at Healf: £12.99
Questions about this product
How much does Vilgain Immunity Booster cost per 500 mg?
72p per 500 mg, from £12.99 for 90 capsules at Healf, checked on 20 October 2026.
How long does one pack last?
18 days at one 500 mg dose. The pack holds 9 g in total.
How much does Vilgain Immunity Booster cost per 500 mg?
£1.20 per 500 mg, from £12.99 for 90 capsules at Healf, checked on 20 October 2026.
How long does one pack last?
11 days at one 500 mg dose. The pack holds 5.4 g in total.
How much does Vilgain Immunity Booster cost per 100 µg selenium?
72p per 100 µg selenium, from £12.99 for 90 capsules at Healf, checked on 20 October 2026.
How long does one pack last?
18 days at one 100 µg dose. The pack holds 1.8 mg in total.
How much does Vilgain Immunity Booster cost per 1 g?
£1.92 per 1 g, from £12.99 for 90 capsules at Healf, checked on 20 October 2026.
How long does one pack last?
7 days at one 1 g dose. The pack holds 6.75 g in total.
How much does Vilgain Immunity Booster cost per 1,000 IU?
72p per 1,000 IU, from £12.99 for 90 capsules at Healf, 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 Vilgain Immunity Booster cost per 15 mg zinc?
87p per 15 mg zinc, from £12.99 for 90 capsules at Healf, checked on 20 October 2026.
How long does one pack last?
15 days at one 15 mg dose. The pack holds 225 mg in total.



















