Flaxfiber Thickener Stabilizer - 600 g
Flax fibers, a plant-based alternative to xanthan gum.
Sosa Flaxfiber is a natural thickener and stabilizer made from fibers extracted from brown and golden flaxseeds (Linum usitatissimum L.). Composed of cellulose, lignin and mucilage, it improves the structure, aeration and smoothness of sweet or savory preparations without altering their taste or color.
Technical specifications
Recommended applications
- Plant-based alternative to xanthan gum, across a wide pH range
- Improved structure and aeration of preparations
- Sauces, creams and sweet or savory bases requiring greater stability
- Compatible with cooking, freezing and thawing
Please note: replaces xanthan gum at a 1:2 ratio confirmed by the official Sosa technical data sheet (1 part Flaxfiber to 2 parts xanthan gum): then adjust according to laboratory tests.
Complete technical data sheet
| Brand | Sosa |
| Packaging | 600 g jar |
| Origin | Flaxseed fibers (Linum usitatissimum L.) |
| Composition | Cellulose and lignin (insoluble fraction), mucilage (soluble fraction) |
| Appearance | Light brown powder, neutral in taste, colorless once dispersed |
| Allergens | May contain traces of soy, eggs, milk, peanuts, tree nuts, sesame, celery, mustard and sulfites |
Frequently asked questions
Does Flaxfiber really replace xanthan gum?
Yes, this is its primary use: the official substitution ratio is 1:2, meaning half as much Flaxfiber as xanthan gum for a comparable thickening effect.
Does the product affect the taste or color?
No, it is neutral in taste and becomes colorless once fully dispersed in the preparation.
Can it be frozen?
Yes, it is compatible with cooking, freezing and thawing without losing its structure.
Learn more
- Order Preparation: 0 to 2 working days
- France, Belgium, Germany: 1 to 2 working days
- Europe: 2 to 5 working days
- Click & Collect Osny: 24-48h
- FR, BE, DE: based on weight
- Europe: based on country and weight
- Click & Collect Osny: Free











