Wellness & supplements
Pharmacy fibre brand Ispaghula / Psyllium Sachet Fibre Drink dupe
Why pay around £9.50 for Pharmacy fibre brand? The bulk active is Psyllium husk powder (Plantago ovata) — 79% less per working litre than a typical shelf pack.
From the retail pack to the active and the mix
1 · Retail
Pharmacy fibre brand Ispaghula / Psyllium Sachet Fibre Drink
30 sachets (~3.5 g ispaghula each) · £9.50 typical snapshot
Citric acid, aspartame or sugar, flavour (brand-dependent)
2 · Active
Psyllium / ispaghula husk (Plantago ovata)
100% on the label
8063-16-7
Bulk Psyllium husk powder (Plantago ovata)
3 · Mix
3.5–5 g stirred into 250 ml water
£0.06 per working litre · 79% less than the shelf pack
- Active
- Psyllium / ispaghula husk (Plantago ovata)
- CAS
- 8063-16-7
- Dupe
- Psyllium husk powder (Plantago ovata)
- Saving
- 79% / L
Saving is per litre of working-strength mix versus a typical pack price, not versus the DIY kit total. Shop prices move — always check the listing.
Label teardown
What the pack promises versus what the label chemistry actually is.
The marketing claim
“Gentle daily fibre for regularity”
The chemical reality
The pharmacy sachet is flavoured ispaghula husk. A 500 g bag of plain psyllium husk is the same plant fibre at a few pence a drink. Food supplement / fibre food — not a medicine for disease.
Active vs filler
100% Psyllium / ispaghula husk (Plantago ovata) · 0% carrier / filler — Citric acid, aspartame or sugar, flavour (brand-dependent)
- Typical retail
- £9.50
- 30 sachets (~3.5 g ispaghula each)
- Estimated active cost
- £0.06
- Scaled from bulk £8.00 / 500 g
- Indicative markup
- 169.6×
- Snapshot maths, not a live shop price
The Marketing Claim & The Catch
A 30 sachets (~3.5 g ispaghula each) pack of Pharmacy fibre brand Ispaghula / Psyllium Sachet Fibre Drink typically retails around £9.50 in wellness & supplements. That is a UK shelf-price snapshot for the maths on this page — not a live shop quote or a manufacturer RRP. Listings, sizes and deals move. The marketing line is that you are buying a finished lifestyle product, not a weighed chemical.
On the pack: Gentle daily fibre for regularity; Helps keep you feeling fuller for longer; and Doctor-recommended bulk-forming fibre.
The catch: The pharmacy sachet is flavoured ispaghula husk. A 500 g bag of plain psyllium husk is the same plant fibre at a few pence a drink. Food supplement / fibre food — not a medicine for disease.
- “Gentle daily fibre for regularity”
- “Helps keep you feeling fuller for longer”
- “Doctor-recommended bulk-forming fibre”
Proprietary Blend & Dosage Breakdown
The labelled active is Psyllium / ispaghula husk (Plantago ovata) at 100%. Everything else in the pack is citric acid, aspartame or sugar, flavour (brand-dependent).
Even when the pack is sold as “pure” or ready-to-use, the dose that actually does the work is Psyllium / ispaghula husk (Plantago ovata). The rest is how they get it into a bottle you will pick up.
This is a food-supplement comparison, not a medicine. Proprietary blends, gummies and resins make it hard to see milligram-level doses. The teardown below uses the labelled active and a bulk equivalent you can weigh or capsule yourself.
- Labelled active
- Psyllium / ispaghula husk (Plantago ovata)
- 100%
- Carrier
- Citric acid, aspartame or sugar, flavour (brand-dependent)
- Retail pack
- 30 sachets (~3.5 g ispaghula each) · £9.50
The Active Chemical Alternative (Dupe Stack)
The dupe stack is Psyllium husk powder (Plantago ovata) at 100% bulk. Indexed as CAS 8063-16-7. Buy it as 500 g for around £8.00 from Amazon UK.
Working strength: 3.5–5 g stirred into 250 ml water. Indicative cost £0.06 per diluted litre — 79% below a typical branded pack on a per-litre basis, before you reuse leftover bulk.
Mix or dose as a food supplement using the steps below. Do not exceed labelled amounts, and read the supplier’s information. This is not medical advice.
- This is a food-fibre comparison, not a medicine. Drink plenty of water. Do not take dry powder. Space fibre away from some medicines — ask a pharmacist.
- Stir 3.5–5 g of husk into 250 ml of cold water, drink promptly before it gels, then another glass of water.
- 500 g at 5 g is about 100 drinks. Thirty pharmacy sachets are thirty flavoured servings of the same husk.
- Start low if you are new to fibre. People with swallowing difficulties or bowel obstruction history should not use bulk fibre without clinical advice.
Dilution recipe
0.25 L working batch
Working strength 3.5–5 g stirred into 250 ml water. Educational estimate from the listed ratio — check the SDS before you mix.
Chemical
3.5 grams
Psyllium husk powder (Plantago ovata)
Water
0.25 litres
Carrier / diluent
0% concentrate · 100% water by working volume (solids are dissolved into the water share).
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Side-by-Side Price & Potency Comparison
Head-to-head comparison
| Measure | Retail brandedPharmacy fibre brand | Raw active dupeDupeStack |
|---|---|---|
| Product | Ispaghula / Psyllium Sachet Fibre DrinkAmazon UK search — listing, not a confirmed seller | Psyllium husk powder (Plantago ovata) |
| Pack / unit | 30 sachets (~3.5 g ispaghula each) · £9.50 | 500 g · £8.00 |
| Active | Psyllium / ispaghula husk (Plantago ovata) at 100%Carrier: Citric acid, aspartame or sugar, flavour (brand-dependent) | 100% bulk— |
| CAS number | Not disclosed on pack | 8063-16-7 |
| Working strength | Ready-to-use pack | Dilute 3.5–5 g stirred into 250 ml water |
| Cost per litre | £9.50 / pack | £0.06 / L mixed from bulk |
| Headline saving | Baseline | 79% cheaper |
| COSHH / PPE | Follow the branded SDS |
Active ingredient and cheaper alternative — FAQ
Is this the same as a laxative medicine?
Psyllium is a bulk-forming fibre sold as a food or food supplement in many packs. It is not a stimulant laxative and this teardown is not medical advice for constipation, IBS or weight loss. See a pharmacist if symptoms persist.
Why buy a kg bag instead of sachets?
Sachets portion ~3.5 g of husk with flavour. Weigh 3.5–5 g from a plain bag into a glass of water. Same seed husk, no foil tax.
How do you mix the Ispaghula / Psyllium Sachet Fibre Drink dupe stack?
This is a food-fibre comparison, not a medicine. Drink plenty of water. Do not take dry powder. Space fibre away from some medicines — ask a pharmacist. Stir 3.5–5 g of husk into 250 ml of cold water, drink promptly before it gels, then another glass of water. 500 g at 5 g is about 100 drinks. Thirty pharmacy sachets are thirty flavoured servings of the same husk. Start low if you are new to fibre. People with swallowing difficulties or bowel obstruction history should not use bulk fibre without clinical advice.
DupeStack provides chemical concentration data and educational mixing guides only. Wellness pages compare food supplements, not medicines or prescribed treatments. Always review the supplier Safety Data Sheet (SDS) and comply with UK Health and Safety Executive (HSE) and COSHH regulations when handling concentrated substances. Mixing and storage are at your own risk. Some links are affiliate advertisements (Amazon Associates, eBay Partner Network, and Awin when those programmes are live). Commissions do not change listed concentrations or calculator output.
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£12.50Save 79% / L
Indicative DIY stack