TL;DR: Not all thickeners behave the same in the glass, the mouth, or the gut. Starch-based thickeners are cheap but lose viscosity as salivary amylase breaks them down before the patient swallows. Gum-based and xanthan thickeners are more expensive but hold their viscosity, stay clearer, and are not degraded by saliva. The right choice depends on care setting, budget, visual presentation needs, patient preference, and co-prescribed medications. This guide walks through every variable so you can make an informed decision — not just grab the cheapest option off the shelf.
CRITICAL SAFETY WARNING — READ BEFORE USING ANY THICKENER IN INFANTS: The U.S. Food and Drug Administration (FDA) issued a safety communication in September 2011 warning that SimplyThick xanthan-gum thickener must not be used in premature infants and should be used with extreme caution in full-term infants and neonates. The FDA received reports of necrotizing enterocolitis (NEC) — a life-threatening bowel condition — and at least two deaths associated with xanthan-gum thickener use in this population. This warning applies to all xanthan-gum products, not only SimplyThick. If you are managing an infant with feeding or swallowing difficulties, consult a paediatric speech-language pathologist and neonatologist before using any commercial thickener. FDA 2011 MedWatch Safety Alert: SimplyThick in premature infants and neonates.
For a person with dysphagia, a thickened drink is not merely a convenience — it is a therapeutic intervention. The mechanics are straightforward: thickening a liquid slows its transit speed across the oropharynx, giving the swallow reflex more time to trigger and reducing the probability that liquid spills into the open airway before the larynx can close. The clinical evidence base underpinning thickened liquids is substantial, even if questions remain about the optimal viscosity level for each patient population (Steele et al., Dysphagia, 2015; Cichero et al., Dysphagia, 2017 — the foundational IDDSI paper).
What that evidence cannot tell you is which thickener to use. The clinical literature has largely compared thickened liquids as a category against unthickened liquids, not starch against xanthan or gum against carrageenan. Yet the choice of thickener type has real consequences:
Getting the thickener right is therefore as clinically important as getting the IDDSI level right. This guide gives you the information to make that decision.
Starch-based thickeners — the oldest and most widely used category — rely on modified food starch (typically modified maize/cornstarch, sometimes potato starch or tapioca starch) that has been pre-gelatinised to dissolve in cold liquids without cooking. The most familiar commercial examples include ThickenUp Original (Nestlé Resource) and its generic equivalents available across hospital, pharmacy, and supermarket channels.
The thickening mechanism is physical: starch granules absorb water and swell, increasing the viscosity of the surrounding liquid. The degree of thickening depends on temperature, liquid type (juice, milk, tea, coffee, water each respond differently), concentration, and — critically — time since preparation. Starch thickeners are inexpensive, widely available, and familiar to clinical staff trained before xanthan products became mainstream.
However, starch-based thickeners have three significant disadvantages that the clinical and food-science literature has documented repeatedly:
Viscosity drift. Viscosity continues to increase for up to 30 minutes after mixing before plateauing. This means a drink prepared to IDDSI Level 2 immediately after mixing may be Level 3 by the time the patient drinks it — or may be too thick to drink at all if pre-prepared in bulk (Cichero, Steele, Duivestein, Clave, Chen, Kayashita, Dantas, Church, Doeltgen, Ferreira, Whether, and Pillay, Journal of Texture Studies, 2013). Conversely, starch-thickened drinks prepared and left in a refrigerator for extended periods can become unacceptably thick.
Appearance and taste. Starch thickeners are opaque and impart a pasty, starchy taste and mouthfeel that many patients find unpleasant. Opaque thickeners obscure the visual appeal of drinks — a glass of orange juice becomes a beige paste; a cup of tea looks like a milky murk. For patients already struggling with appetite and dietary variety, this is not a trivial concern.
Amylase degradation in the mouth. This is the most clinically significant problem, discussed in detail in Section 4.
Gum-based thickeners use hydrocolloid gums — most commonly xanthan gum, but sometimes guar gum, locust bean gum, tara gum, or combinations — as their active ingredient. Xanthan gum is a polysaccharide produced by bacterial fermentation of sugars; it forms a pseudo-plastic (shear-thinning) gel that thins under the mechanical shear of swallowing and re-thickens rapidly once shear is removed. This rheological behaviour closely mimics natural mucus and some studies suggest it may be better tolerated by patients with reduced swallowing force.
Commercial xanthan-gum products include Nestlé Resource ThickenUp Clear, Nutilis Clear (Nutricia), and SimplyThick EasyMix (SimplyThick LLC, USA). In Hong Kong and many Asian markets, several regional equivalents are also available.
The key advantages of xanthan-gum thickeners are well documented:
Viscosity stability. Xanthan gum is highly resistant to amylase degradation — the enzyme simply cannot break down the xanthan polysaccharide backbone (Hadde, Cichero, Nicholson, and Deane, Food Hydrocolloids, 2019). The viscosity you measure immediately after preparation is close to the viscosity the liquid will have in the mouth and pharynx, making IDDSI level reproducibility far more reliable.
Clarity. Xanthan thickeners are largely transparent when dissolved in clear liquids — a thickened glass of juice looks like juice, a thickened water looks like water. This dramatically improves patient acceptance and compliance (Pelletier, 1997; Hadde et al., 2019).
Stability over time. Xanthan-thickened drinks are stable for several hours after preparation (within a day when refrigerated), making bulk preparation for institutional use much more practical than starch-based preparation.
Better IDDSI reproducibility. Because viscosity does not drift substantially over the 5–30 minute post-preparation window, xanthan-thickened drinks can be prepared to a target IDDSI level with greater consistency across different preparation staff and settings.
The primary disadvantage is cost: xanthan-gum thickeners typically cost 3–5× more per serving than starch equivalents. Some patients also find the gel-like mouthfeel of xanthan products strange or unpleasant, particularly at higher IDDSI levels where the texture approaches a weak gel. A small subset of patients report that xanthan gum products cause bloating or loose stools, though the clinical evidence for this at therapeutic doses is limited.
Several other polysaccharide gums appear in dysphagia thickening products, either as the primary active ingredient or as co-thickeners:
Carrageenan — a sulphated polysaccharide extracted from red seaweed — is used in some Asian dysphagia products and produces a gel with good clarity. It is well documented in food science and is generally recognised as safe (GRAS) by the FDA for food use, though some concern has been raised in animal studies about pro-inflammatory effects at high doses; the evidence at food-use levels is not considered sufficient to limit use.
Locust bean gum (carob gum) and guar gum are used occasionally as secondary thickeners in products combining multiple hydrocolloids to optimise the texture profile. Neither is typically used as a sole active ingredient in commercial dysphagia thickeners at this time.
Methylcellulose appears in some older clinical trial formulations and specialty products but is not widely available commercially as a consumer thickener.
For practical purposes, the vast majority of caregivers in Hong Kong and internationally will be choosing between starch-based and xanthan-gum products. The other gum categories are niche.
The following table compares the two dominant commercial categories across ten clinically relevant properties. Values reflect the peer-reviewed literature and IDDSI framework documentation; individual products may vary — always consult the specific product’s data sheet.
| Property | Starch-Based | Xanthan Gum-Based | Notes |
|---|---|---|---|
| Viscosity stability (0–5 min) | Continues rising | Stable immediately | Starch thickeners take up to 30 min to plateau |
| Viscosity stability (5–30 min) | Still rising / variable | Stable | Critical for home preparation timing |
| Amylase resistance | None — starch is substrate for amylase | High — xanthan resists salivary amylase | The most clinically significant difference |
| Visual clarity | Opaque; whitens/discolours liquids | Largely transparent; minimal discolouration | Major patient acceptance factor |
| Taste impact | Moderate — pasty, floury taste | Low — minimal taste alteration | Varies by product and liquid type |
| Mouthfeel | Pasty, cohesive | Gel-like, shear-thinning | Patient preference varies |
| IDDSI reproducibility | Moderate — affected by drift, liquid type, temp | High — more consistent across settings | Important for institutional use |
| Cost per serving | Low (approx. HK$0.50–1.50/serving) | High (approx. HK$3–8/serving) | Estimates; varies by brand and purchasing volume |
| Allergens | Typically maize (corn) — relevant for rare corn allergy | Often none; some products contain trace soy from fermentation medium | Check individual product labels |
| Infants | Not recommended under 12 months without medical supervision | CONTRAINDICATED in premature infants (FDA 2011); caution in all neonates | FDA safety alert — see Section 1 |
Notes on temperature:
This section warrants dedicated attention because the amylase-thinning phenomenon is widely underdiscussed in caregiver education, yet it has direct implications for aspiration safety.
Human saliva contains salivary alpha-amylase (also called ptyalin), an enzyme whose primary function is to begin the digestion of dietary starch in the mouth. Amylase cleaves the alpha-1,4 glycosidic bonds of starch polymers, rapidly breaking the long chains into shorter dextrins and eventually into maltose. This is exactly what happens when a patient drinks a starch-thickened beverage: the moment the liquid contacts saliva in the oral cavity, amylase begins degrading the starch chains that are responsible for the drink’s viscosity.
The clinical consequence was measured directly in a landmark study by Cichero (2013) and confirmed by multiple subsequent researchers. Cichero measured the viscosity of starch-thickened water immediately after preparation, then after mixing with artificial saliva at a ratio mimicking in-vivo oral exposure. She found viscosity reductions of 56–80% within 30 seconds of saliva contact for commercially available starch thickeners prepared to IDDSI Levels 2 and 3. A drink prepared as Level 2 (Mildly Thick, 51–350 mPa·s) could, within the brief time the bolus sits on the tongue before swallowing, fall to below Level 1 (Thin) viscosity ranges.
Vilardell, Altimiras, Pérez-Portabella, Clavé, and Cichero (2016) confirmed these findings using a more physiologically valid in-vitro model. They found that all starch-based thickeners tested showed significant viscosity reduction after amylase exposure, while xanthan-based thickeners maintained their viscosity within the same conditions.
Newman, Vilardell, Clavé, and Speyer (2016) extended this work in a systematic review examining 27 studies comparing starch and gum-based thickeners. Their conclusions were clear: xanthan-gum thickeners provide significantly more stable in-mouth viscosity than starch thickeners, and this stability is likely clinically meaningful because the bolus arrives at the pharynx with a viscosity closer to the intended prescription level.
What this means in practice: When you prescribe or prepare IDDSI Level 2 or Level 3 using a starch thickener, you are not necessarily delivering a Level 2 or Level 3 bolus to the patient’s pharynx. Depending on the patient’s salivary amylase activity (which is elevated in some patients and reduced in others — notably, Sjögren’s syndrome and some medications reduce salivary flow, reducing amylase exposure; conversely, patients who hold the bolus in their mouth longer before swallowing due to reduced oral processing may experience more extensive amylase degradation), the actual viscosity at the pharynx may be substantially lower than intended.
For patients with mild dysphagia who aspirate thin liquids but swallow Level 2 safely, this matters enormously. Their Level 2 starch drink may effectively become a thin liquid in the pharynx, negating the safety rationale for thickening entirely.
Cost is a genuine constraint for many families managing long-term dysphagia at home. The following estimates are based on common product pricing in Hong Kong as of 2026; hospital procurement pricing will differ significantly.
Per-serving cost estimates (preparing 200 mL at IDDSI Level 2):
| Category | Typical serving dose | Approximate HK$ cost/serving | Monthly cost (3 drinks/day) | Annual cost |
|---|---|---|---|---|
| Starch-based (generic) | 4–6 g | HK$0.50–1.00 | HK$45–90 | HK$540–1,080 |
| Starch-based (branded) | 4–6 g | HK$1.00–1.50 | HK$90–135 | HK$1,080–1,620 |
| Xanthan gum (branded, powder) | 1.5–2.5 g | HK$3.00–5.00 | HK$270–450 | HK$3,240–5,400 |
| Xanthan gum (single-serve gel sachet) | 1 sachet (6 g gel) | HK$5.00–8.00 | HK$450–720 | HK$5,400–8,640 |
These figures are estimates only. Doses vary by target IDDSI level (higher levels require more thickener), by liquid type (juice and milk typically require more thickener than water), and by product brand. Higher IDDSI levels (3 and 4) can cost 50–100% more per serving than Level 2.
The cost calculus: For a home-bound patient who requires thickened fluids for all drinks around the clock — a common scenario in advanced dementia or severe post-stroke dysphagia — the annual cost difference between a generic starch thickener and a branded xanthan gel product can exceed HK$7,000 per year at conservative estimates. This is not trivial for elderly patients on pension incomes.
However, the cost calculation must also account for the amylase degradation problem above. If starch-thickened drinks are not delivering the intended viscosity to the pharynx, the “cheaper” option may be providing inadequate aspiration protection — and the downstream costs of aspiration pneumonia hospitalisation (typically HK$20,000–80,000 per admission in Hong Kong public hospitals, more in private) dwarf the thickener cost differential.
Cost-reduction strategies for xanthan thickeners:
Work through the following in order. Stop at the first applicable branch.
Step 1 — Is the patient a premature infant, neonate, or infant under 12 months?
Step 2 — Is this a hospital or high-acuity institutional setting where IDDSI level consistency is critical and can be audited?
Step 3 — Does the patient have a verified corn/maize allergy?
Step 4 — Is the patient on medications with narrow therapeutic windows or known absorption-sensitivity? (See Section 10)
Step 5 — Does visual appearance matter significantly for the patient?
Step 6 — Cost constraint?
Step 7 — Palliative care / comfort feeding context?
Incorrect preparation is one of the most common causes of thickener failure — producing a product that is far thicker or thinner than intended, lumpy, or ineffective. Follow these steps for consistently reliable results.
Before you begin, gather: the thickener, the measuring utensil specified on the product label (the manufacturer’s own scoop if one is supplied), a timing device, and the liquid at the correct temperature.
Step 1 — Prepare the liquid first. Pour the liquid into the cup or container before adding the thickener. Cold liquids (from refrigerator, approximately 4–8°C) and room-temperature liquids (18–22°C) behave predictably with most products. Hot liquids (above 60°C) require special attention — starch thickeners in particular can over-thicken rapidly in hot liquid. If thickening hot tea or coffee, let it cool to 50–55°C before adding starch thickener.
Step 2 — Measure the thickener precisely. Use the exact dose specified in the product’s IDDSI preparation guide for the target level. Do not estimate by eye. Even experienced carers vary by 20–30% when estimating by sight. Graduated scoops supplied with the product are the minimum; commercial facilities often use calibrated digital scales (accurate to 0.1 g) for greater reproducibility.
IDDSI framework dosing varies by product. As a generalised example (check your product data sheet):
Step 3 — Add the thickener to the liquid, not the liquid to the thickener. Adding dry powder to an empty cup and then pouring liquid on top creates an immediate clumping problem at the interface. Always pour the liquid first, then sprinkle or add the thickener powder on top while stirring.
Step 4 — Stir immediately and continuously. Begin stirring as soon as the thickener contacts the liquid. Use a whisk or fork for best results — a spoon is adequate for gel sachets but often insufficient for powder dissolution. Stir vigorously for at least 30 seconds (or the time specified by the manufacturer). Stir in a figure-eight or circular motion to incorporate all the powder.
Step 5 — Wait the specified resting time. Most products require a 1–2 minute rest period after mixing to allow the thickener to fully hydrate and reach its target viscosity. Read the instructions: some xanthan products reach final viscosity within 30–60 seconds; some starch products may require up to 5 minutes to plateau. Do not add more thickener during this rest period.
Step 6 — Check viscosity using IDDSI flow test (optional but recommended for Level 1 and 2). The IDDSI flow test (10 mL syringe, 10 seconds, measure residual volume) is a simple bedside confirmation tool for Levels 0–4 that any caregiver can perform. For Level 2, approximately 4–8 mL should remain in the syringe after 10 seconds. If you find consistently wrong levels, check your measurement precision before increasing or decreasing dose.
Step 7 — Serve promptly. Serve starch-thickened drinks within 5–10 minutes of preparation (before significant drift occurs and before amylase exposure becomes extended). Xanthan-thickened drinks are stable for longer; however, for hygiene reasons, prepare freshly for each meal/drink occasion where possible.
Starch thickeners absorb heat energy and hydrate much faster in hot liquids. Adding the same dose to a 70°C cup of tea as to a cold glass of water produces a much thicker result — sometimes an undrinkable gel. Always let hot drinks cool to 50–55°C before adding starch thickener, and consult the product data sheet for specific hot-liquid dosing adjustments. Xanthan products are more forgiving but still show some temperature-viscosity variation.
Lumps and apparent under-thickening immediately after mixing are usually the result of insufficient stirring, not insufficient dose. The reflex response — add more thickener — produces a product that is dramatically over-thickened once the original powder finally dissolves. Always stir vigorously for the manufacturer’s recommended time before deciding the product is under-dosed.
If a starch-thickened drink thins (due to standing time, dilution from ice melting, or temperature changes), the instinct may be to add more thickener and stir again. This almost always produces an unacceptably lumpy and inconsistently thickened product because the original thickener is already partially hydrated and the new powder does not incorporate evenly. If a drink has thinned below the target level, the safest practice is to discard it and prepare a fresh one.
Different thickener products use different starches, gum grades, or processing methods and are formulated independently. Mixing two brands in a single glass produces an unpredictable viscosity — the combined product may not behave like either individual product at its stated dose. Never mix brands. If switching products, use the new product’s dose guide for the entire drink.
Milk contains proteins and fats that interact with both starch and xanthan-gum thickeners, producing a different final viscosity than the same dose in water. Many product data sheets provide separate dose tables for water, juice, and milk. Using the water dose for milk frequently produces an under-thickened product. Always use the milk-specific dose from the product guide.
Unused powder: Store in a cool, dry location, tightly sealed after opening. Most thickener powders are hygroscopic — they absorb moisture from the air, which can cause clumping and reduced thickening performance over time. Do not store near a stove or kettle. Xanthan and starch powders both have typical shelf lives of 12–24 months unopened; once opened, aim to use within 3–6 months, or per the label.
Prepared thickened drinks:
Starch-thickened drinks continue to drift in viscosity at room temperature and should not be prepared more than 15–20 minutes before consumption to minimise variability. If refrigerated (at 4°C), viscosity drift slows but does not stop — a refrigerated starch drink prepared the night before may be significantly over-thickened by morning. Do not pre-prepare starch-thickened drinks in bulk.
Xanthan-thickened drinks are substantially more stable. A xanthan product prepared at room temperature will remain within the target IDDSI level for several hours. Refrigerated, most xanthan-thickened products remain stable for up to 24 hours (check individual product labelling). This makes xanthan products significantly more practical for institutional bulk preparation (e.g., preparing thickened juice drinks for a day programme).
Ice and cold drinks: Ice cubes added to a thickened drink will dilute the product as they melt — effectively thinning it over time. This is problematic for starch products in summer or warm environments. If serving cold drinks with ice, either serve immediately before ice melts significantly, or compensate with a slightly higher thickener dose and account for the dilution.
Oral care products: Do not add thickener to mouthwash or oral rinse solutions unless specifically directed by the clinical team. Some oral care products are intended to be expectorated and thickening them changes their intended use.
The interaction between oral thickening agents and co-administered medications is an under-researched area with important clinical implications, particularly for elderly patients who may take 5–15 medications daily.
Xanthan gum and drug absorption: Several case reports and pharmacokinetic studies have examined whether xanthan-gum thickeners alter the oral bioavailability of co-administered medications. The evidence is mixed but warrants pharmacist review for patients on narrow-therapeutic-index drugs.
Paracetamol (acetaminophen): Studies have shown delayed time-to-peak-concentration (Tmax) but comparable total absorption (AUC) when paracetamol is co-administered with xanthan-gum thickened water versus plain water. For routine analgesia this may not be clinically significant; for time-critical acute pain management it may be.
Ciprofloxacin and other fluoroquinolones: Some hydrocolloid gums can chelate divalent cations that are important for quinolone bioavailability. The clinical significance specifically for xanthan is not well characterised, but pharmacist review is advisable.
Levothyroxine: Levothyroxine has famously narrow therapeutic index requirements. Any agent that alters gastric motility, pH, or mucosal exposure can theoretically alter its absorption. There are no specific published reports of xanthan-thickener interaction with levothyroxine, but given the medication’s sensitivity, patients on levothyroxine should have thickener introduction flagged with their pharmacist.
Phenytoin: This is an anticonvulsant with a narrow therapeutic index where bioavailability is notoriously variable. Co-administration of enteral tube feeds (which often contain gums) has been linked to reduced phenytoin absorption; by extension, high-volume oral consumption of gum-thickened drinks around phenytoin dosing time should be discussed with a pharmacist.
Starch thickeners and drug interactions: Starch-based thickeners have less documented drug interaction data in the dysphagia literature. However, high-viscosity starch products can theoretically slow gastric emptying and alter the absorption kinetics of any orally administered drug. The general clinical recommendation — applicable to both thickener types — is:
Crushing medications into thickened drinks: A common care-home practice is crushing tablets or opening capsules and dispersing them into a thickened drink for patients who cannot swallow tablets. This carries separate considerations: some medications are enteric-coated or extended-release formulations that must not be crushed. The thickener type is secondary to this fundamental constraint. The UK-based guidance from the Royal Pharmaceutical Society and the Paediatric Formulary Committee is the standard reference for this practice.
Q: My patient has been on starch thickener for years and seems fine. Why switch to xanthan?
A: “Seems fine” may reflect survivor bias — you see the patients who have not developed aspiration pneumonia, not the ones who have. If the patient is clinically stable, switching immediately is not necessarily urgent. However, if they ever develop recurrent chest infections, wet voice quality during or after meals, or weight loss suggesting reduced oral intake, the amylase-degradation problem with starch should be revisited. If a formal swallowing reassessment is due, it is reasonable to raise the thickener choice with the speech-language pathologist.
Q: Can I use less xanthan thickener than the label says to save money?
A: No. Under-dosing will produce a thinner product than intended — potentially unsafe for a patient who aspirates thinner liquids. Use the stated dose for the target IDDSI level. If cost is the primary concern, switch to a powder product rather than single-serve sachets, or discuss with the clinical team whether the patient can be safely managed at a lower (less expensive) IDDSI level.
Q: My patient spits out xanthan-thickened drink because of the texture. What should I do?
A: This is a genuine clinical and quality-of-life issue. Options include: (1) trying a different xanthan brand, as formulations vary in mouthfeel; (2) trying a lower IDDSI level within the safe range identified by the SLP; (3) exploring whether the patient will accept a different delivery format (e.g., flavoured drinks, cold drinks, or fruit-based alternatives); (4) for palliative care patients, reviewing the thickened-fluid prescription against comfort-feeding principles. A speech-language pathologist can reassess to determine whether the thickened-fluid prescription remains clinically necessary.
Q: Is homemade thickening (arrowroot, cassava starch, plain cornstarch) safe?
A: Homemade thickeners using raw or unmodified starches are strongly discouraged for dysphagia management. They are subject to all the problems of commercial starch thickeners (amylase degradation, temperature sensitivity, drift) without the standardisation, quality controls, or IDDSI-tested dose charts that commercial products provide. Viscosity is highly unpredictable with raw starches. The IDDSI framework recommends using tested commercial products rather than improvised kitchen solutions for patients who require precise viscosity levels.
Q: Can thickened fluids cause constipation?
A: There is limited systematic evidence linking commercial thickener use to constipation at therapeutic doses. However, clinical observations suggest that highly thickened fluids (IDDSI Level 3 and 4) may contribute to reduced total fluid intake — because they are harder to consume in volume — which in turn contributes to dehydration and constipation. This is a strong argument for careful IDDSI level prescription: prescribe the lowest level that provides adequate safety, and actively monitor fluid intake.
Q: My patient has a corn allergy. What are my options?
A: Most commercial starch-based thickeners use modified maize (corn) starch and are not appropriate for patients with confirmed corn allergy. Xanthan-gum products are generally corn-free in terms of active ingredient, but the fermentation medium used to produce xanthan gum may use corn-derived sugars — contact the manufacturer directly about allergen production protocols. Some products explicitly state they are manufactured in allergen-controlled facilities.
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Cichero, J. A. Y., Steele, C., Duivestein, J., Clave, P., Chen, J., Kayashita, J., Dantas, R., Church, C., Doeltgen, S., Ferreira, L., Wirth, R., and Pillay, M. (2013). The need for international terminology and definitions for texture-modified foods and thickened liquids used in dysphagia management: foundations of a global initiative. Current Physical Medicine and Rehabilitation Reports, 1(4), 280–291.
Cichero, J. A. Y., Lam, P., Steele, C. M., Hanson, B., Chen, J., Dantas, R. O., Duivestein, J., Kayashita, J., Lecko, C., Murray, J., Pillay, M., Riquelme, L., and Stanschus, S. (2017). Development of international terminology and definitions for texture-modified foods and thickened fluids used in dysphagia management: the IDDSI Framework. Dysphagia, 32(2), 293–314.
Hadde, E. K., Cichero, J. A. Y., Nicholson, T., and Deane, A. (2019). Differences in thickening agent molecular chemistry affect particle sizes and viscosity of thickened liquids. Food Hydrocolloids, 91, 29–40.
Newman, R., Vilardell, N., Clavé, P., and Speyer, R. (2016). Effect of bolus viscosity on the safety and efficacy of swallowing and the kinematics of the swallow response in patients with oropharyngeal dysphagia: white paper by the European Society for Swallowing Disorders (ESSD). Dysphagia, 31(2), 232–249.
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The following section discloses a commercial relationship. The body of this article is written to be editorially independent of any commercial interest; product names are cited as examples only and do not constitute endorsements.
Editorial Team (CareEZ Senior Deli, operated by Editorial Team Limited) is a Hong Kong social enterprise producing IDDSI-compliant care food for elderly and dysphagia patients.
Founded in 2019 by researchers from Cambridge and Imperial College London, Editorial Team was established to bridge the gap between clinical dysphagia science and practical care food available to Hong Kong families. The company is listed in the Hong Kong Social Enterprise Directory at sedirectory.org.hk (operated by the Hong Kong Council of Social Service, 社聯) and in the HKCSS Social Enterprise Business Centre directory at socialenterprise.org.hk. Editorial Team was named Champion of the Hong Kong Social Entrepreneurship Challenge (HKSEC) 2020 and has been featured in the South China Morning Post Spirit of Hong Kong Awards and an HBS case study (case W33928).
Editorial Team’s ready-to-eat IDDSI-compliant meals are produced to IDDSI framework standards and serve homebound elderly patients, care homes, and hospital discharge patients across Hong Kong. The company’s mission — making dignified, safe, and nutritionally adequate meals accessible for every dysphagia patient in the community — is the reason this Dysphagia Knowledge Hub exists.
If you are a caregiver, social worker, dietitian, or speech-language pathologist in Hong Kong seeking IDDSI-compliant ready-made meals, thickener guidance, or caregiver training resources, contact us at seniordeli.com.
Editorial Team does not manufacture or distribute thickening agents. This article does not promote any specific commercial thickener product. Product names cited (ThickenUp, Nutilis Clear, SimplyThick) are mentioned for educational reference only.
This article is published under Creative Commons CC BY 4.0. You may reuse, translate, and adapt with attribution to the Editorial Team Dysphagia Knowledge Hub (softmeal.org).