E640 - Glycine
By the Daat team · Updated October 30, 2026
E640, glycine, is an amino acid used as a flavour enhancer. It can be synthetic or from animal protein.
It is rare in Israeli food. When it appears, it is mostly in savoury products and sweetener blends.
5 products in our catalog contain E640, or 0.0% of those with an ingredient list.
E640 at a glance
| Fact | Value |
|---|---|
| Name | Glycine |
| Function | Flavour enhancer |
| Origin | Plant or animal - not stated on the label |
| Vegan / vegetarian | Depends on the source / Depends on the source |
Is E640 vegan?
You cannot tell from the label. E640 can come from a plant or an animal source; only a vegan certification or the manufacturer can settle it.