[citation needed] If not fortified, soy yogurt does not contain vitamin B12 or vitamin D.[1][better source needed] Plant-based milks have different structures and components than dairy milk.

Though they can be used to make many products similar to those made from dairy, there are differences in taste and texture.

[3] Plant-based yogurts also vary considerably in their nutrition and ingredients, and may contain gums, stabilizers, high-intensity sweeteners, and artificial colors.

[4][5] In the US, according to the FDA's Standard of Identity regulations, the word "yogurt" has been reserved for a product made from lactations.

[6] In 2021, the FDA issued a final rule that amends yogurt's standard of identity (which remains a product of "milk-derived ingredients"), and is expecting to issue industry guidance on "Labeling of Plant-based Milk Alternatives" in 2022.