Lactitol Monohydrate Powder
Lactitol monohydrate ≥98% purity is a sugar alcohol derived from lactose that serves as a low-calorie sweetener and proven laxative for constipation relief.
Lactitol monohydrate ≥98% purity is a sugar alcohol (polyol) derived from lactose through catalytic hydrogenation. This white crystalline powder serves as a low-calorie sweetener (2.0-2.4 kcal/g vs 4 kcal/g for sugar) with proven therapeutic benefits for digestive health.
| Benefit | Typical study dose* | Key human findings | High-quality sources |
|---|---|---|---|
| 1 Bowel function improvement | 10-40 g/day for 2-4 weeks | Meta-analysis (n=663) showed increased weekly stool frequency and softened stools; EU authorized claim at 10 g/day | PubMed/EFSA |
| 2 Glycemic control | 25 g single dose | Minimal glucose/insulin rise (glycemic index ≈0 vs glucose=100); recognized for reducing post-prandial glycemic responses | EFSA Journal |
| 3 Dental health | As sugar replacement | Does not promote dental caries; helps maintain tooth mineralization when replacing sugars | FDA/EFSA |
| 4 Prebiotic effects | 10-20 g/day for 2 weeks | Increases Bifidobacterium levels and improves symptoms in constipated adults | PubMed |
*EU supplement claim requires 10 g lactitol once daily for bowel function benefit. Medical use (Pizensy®) typically 20 g daily.
Mechanistic highlights
- Osmotic action: Lactitol is poorly absorbed in the small intestine, creating an osmotic effect that draws water into the bowel lumen, softening stool and promoting regular bowel movements.
- Colonic fermentation: Gut bacteria ferment unabsorbed lactitol into short-chain fatty acids, lowering colonic pH and stimulating peristalsis while supporting beneficial microbiota.
- Minimal systemic absorption: Only 0.5-2% of oral lactitol is absorbed unchanged, resulting in negligible impact on blood glucose and insulin levels (ideal for diabetics).
- Non-cariogenic properties: Oral bacteria cannot effectively metabolize lactitol into cavity-causing acids, making it safe for dental health.
Safety & practical use
- Usual supplemental range: 10-20 g once daily for constipation relief; adjust based on stool consistency
- Upper-dose tolerance: Doses >20-30 g may cause gas, bloating, and diarrhea; products with >10% polyols require laxative effect warning in EU
- Drug interactions: Separate from oral medications by ≥2 hours to avoid absorption interference
- FODMAP consideration: Lactitol is a high-FODMAP polyol; may trigger IBS symptoms in sensitive individuals
- Contraindications: Avoid in galactosemia, GI obstruction; safety in pregnancy not established
- Sweetness profile: Approximately 35-40% as sweet as sucrose; heat-stable for cooking/baking
- Storage: Store in cool, dry place; hygroscopic nature requires moisture-proof packaging
- Room (25-40C)
- 24 Months from manufacturing or testing date.
- Add at last step. Avoid temperature above 40C.
- Avoid heat above 40C
- 3.50 - 5.50
- Soluble in Water, Dispersible in water
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| Test Name | Specification |
|---|---|
| Color | White |
| Appearance | Crystalline powder |
| Assay (on dry basis), w/% | 95.0–102.0 |
| Other polyols (on dry basis), w/% | ≤2.5 |
| Moisture, w/% | ≤1.5 |
| Reducing sugars, w/% | ≤0.1 |
| Chlorides (on dry basis), mg/kg | ≤100.0 |
| Sulfates (on dry basis), mg/kg | ≤200.0 |
| Residue on ignition (on dry basis), w/% | ≤0.1 |
| Nickel (Ni), mg/kg | ≤2.0 |
| Lead (Pb), mg/kg | ≤1.0 |
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