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General health ingredients

Bio.Me Prebio PHGG, 150 g

£19.95 for 150 g at Healf. That works out at 67p per 5 g, which ranks it 1st of the 1 PHGG products we price across 1 UK retailer.

What it really costs, per 5 g67pOne 5 g dose is our comparison unit for PHGG. It is not a recommendation.

A day67p

A week£4.66

A month£19.95

A year£242.73

At one 5 g 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

Servings: 150 ÷ 5 per serving = 30
In the pack: 30 × 5 g = 150 g
£19.95 ÷ 150 g × 5 g = 66.5p per 5 g
A week 66.5p × 7 = £4.66 · a month × 30 = £19.95 · a year × 365 = £242.73
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: PHGG

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This productCheapest per 5 gHealf · 5 g a serving · £19.95 a month · a pack lasts 30 days67pshown above

Ranked purely by price per 5 g. 8 combination products also contain PHGG.

On the label

PHGG · PHGG: 5 g per serving (stated on the label)
Pack: 150 g · 30 servings · 5 g a serving
Cost per serving: 66p (30 servings in the pack)

More label details

Sold by: Healf
What the listing says: “150g” · “Active ; 5g (3 tsp)” · “(Partially Hydrolysed Guar Gum) ; 5g”

Ingredients

Sunfiber® R (Partially Hydrolysed Guar Gum) 5g

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

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Daily dosemgFordays

One 5 g dose is our comparison unit, not a recommendation.

Price history

2 price changes since 1 October 2026. Checked on 20 days, most recently 20 October 2026.

Lowest recorded: £16.877 Oct
Highest recorded: £19.959 Oct
First recorded: £19.951 Oct
Checked on: 20 dayssince 1 Oct

Pack price at each check.

9 Oct Up at Healf: £16.87 → £19.95 (+18%)
7 Oct Down at Healf: £19.95 → £16.87 (−15%)
1 OctFirst checked at Healf: £19.95

Questions about this product

How much does Invivo Bio.Me Prebio PHGG cost per 5 g?

67p per 5 g, from £19.95 for 150 g at Healf, checked on 20 October 2026.

How long does one pack last?

30 days at one 5 g dose. The pack holds 150 g in total.

Keep comparing

All PHGGEvery form, cheapest per 5 g first General health ingredientsEverything else we price in this category PHGG price historyEvery PHGG product's price per dose and price history Build a basketThe cheapest way to buy several at once How we compareWhere every number on this page comes from