Tapioca

Also known as: cassava starch, tapioca starch, tapioca maltodextrin, tapioca resistant maltodextrin, TRM, Manihot esculenta starch

Evidence under review. — Not yet rated

Starch from cassava root. Modified forms may modestly lower blood sugar spikes. Most uses are in food, not supplements.

What it does

Tapioca is a starch derived from the cassava root, widely used as a food ingredient and thickener. A modified form called tapioca resistant maltodextrin (TRM) acts like a soluble fiber — it...
Evidence quality

Evidence base hasn't been formally rated yet. See research below.
Clinical dose

No established dose for supplements; 30% replacement of standard maltodextrin used in clinical trials
Found in

Performance Lab Caffeine 2, Performance Lab Vitamin C, 310 Organic Vanilla Shake and 10 more

See full breakdown ↓ Methodology →

What the Science Says

Tapioca is a starch derived from the cassava root, widely used as a food ingredient and thickener. A modified form called tapioca resistant maltodextrin (TRM) acts like a soluble fiber — it resists digestion, which slows glucose absorption and reduces insulin spikes after meals. In small clinical trials, replacing 30% of standard tapioca maltodextrin with TRM reduced post-meal insulin response by about 33% and lowered HbA1c slightly over 12 weeks in healthy adults.

What It Doesn't Do

Plain tapioca starch is not a fiber supplement — it's a fast-digesting carbohydrate. Won't help you lose weight on its own. No evidence it improves gut health, boosts immunity, or detoxifies anything. Most research is on food-grade applications, not standalone supplements. Don't confuse it with the resistant maltodextrin form, which is a different product.

Evidence-Based Benefits

The resistant maltodextrin form of tapioca reduces post-meal blood sugar and insulin spikes in healthy adults.

Weak Evidence

Effective at: 30% TRM replacement in carbohydrate load (~15–25g TRM)

Supporting studies (click to view on PubMed):

PMID 35267892 PMID 32742646

Daily use of tapioca resistant maltodextrin lowered HbA1c modestly over 12 weeks in healthy adults.

Weak Evidence

Effective at: One serving/day ONS with 30% TRM for 12 weeks

Supporting studies (click to view on PubMed):

PMID 35267892

A tapioca starch-containing lotion reduced itching from skin-fold rash as effectively as a low-potency steroid cream.

Weak Evidence

Effective at: Topical lotion applied twice daily for 2 weeks

Supporting studies (click to view on PubMed):

PMID 33811776

Absorption & Bioavailability

Variable — standard tapioca starch is rapidly digested and absorbed (high glycemic). The resistant maltodextrin form resists digestion and passes to the colon, functioning more like a prebiotic fiber. Both forms were well-tolerated in clinical trials with no significant GI adverse events.

Red Flags to Watch For

Most tapioca in supplements is standard maltodextrin — a fast-digesting carb, not a fiber — despite fiber-like marketing language
The blood sugar benefits seen in studies apply specifically to tapioca resistant maltodextrin (TRM), not plain tapioca starch
Clinical trials are small (16–22 participants) and short-term; long-term effects are unknown
Tapioca starch fed to fish (tilapia) was associated with increased liver fat accumulation — relevance to humans is unclear but warrants caution in high doses
Products listing 'tapioca' as an ingredient may use it purely as a filler or binder with no functional benefit

No established dose for supplements; 30% replacement of standard maltodextrin used in clinical trials

Is Tapioca safe?

Most tapioca in supplements is standard maltodextrin — a fast-digesting carb, not a fiber — despite fiber-like marketing language

What doesn't Tapioca do?

Plain tapioca starch is not a fiber supplement — it's a fast-digesting carbohydrate.

Research Sources

PubMed
NIH DSLD

This information is for educational purposes only and is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Last updated: 2026-05-25