Lactase
Other names beta-galactosidase, lactase enzyme
Lactase: low in histamine. If you're sensitive to any of these, check it against your profile before eating.
Intolerances
- Histamine (+liberators / DAO inhibitors)Low
Lactase is a microbial fermentation product, like every food enzyme, which is why it is low rather than none. Lactase itself is not a histamine source; it appears in enzyme blends formulated for histamine-intolerant people.
- FODMAPsNone
The FODMAP in dairy is the lactose, and lactase is what removes it — it hydrolyses lactose into glucose and galactose. A product carrying it has had its main FODMAP taken out, which is why a certified lactose-free milk counts as low FODMAP.
- LactoseFODMAPsNone
Lactase does not contain lactose — it destroys it, hydrolysing it into glucose and galactose. Its presence is the marker of a lactose-reduced product. The enzyme's safety and its action are evaluated, dossier by dossier, by the EFSA.
Sources· 1
- EFSA safety evaluations of the food enzyme beta-galactosidase, EFSA Journal
- GlutenNo
- FructoseFODMAPsNone
- OligosaccharidesFODMAPsNone
- SorbitolFODMAPsNone
- SucroseNone
- TyramineNone
- SalicylateNone
- NickelNone
- OxalatesNone
Intolerance levels are based on our documented scientific sources. See sources →
Note about this food
Lactase is the enzyme that splits lactose into glucose and galactose. It is what makes lactose-free milk lactose-free, so seeing it in an ingredient list means the product has been treated to remove lactose rather than that anything has been added to worry about.
React to Histamine (+liberators / DAO inhibitors)? Check these too
More in Additives
- 4-hexylresorcinol
- Acacia gum
- Acetic acid
- Acetic acid esters of mono/diglycerides
- Acetylated distarch phosphate
- Acetylated oxidized starch
- Acetylated starch
- Adipic acid
- Agar-agar
- Alginic acid
- Allura Red AC
- Alpha-tocopherol
Frequently asked questions
Which intolerances does lactase affect?
Lactase is notable for histamine. Clear on FODMAPs, lactose, gluten, fructose, oligosaccharides, sorbitol, sucrose, tyramine, salicylate, nickel and oxalates.
Does lactase contain histamine?
Lactase contains only low levels of histamine. Lactase is a microbial fermentation product, like every food enzyme, which is why it is low rather than none. Lactase itself is not a histamine source; it appears in enzyme blends formulated for histamine-intolerant people. Amounts vary by brand and recipe, so always check the label of the exact product.
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