They might be better for the planet, but are plant-based burgers good for you?

By Lisa Drayer, CNN

Updated 2102 GMT (0502 HKT) August 14, 2019

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Plant-based burger patties made by Impossible Foods contain a genetically modified version of heme, an iron-containing molecule from soy plants, which is what gives them a meaty flavor.
Photos: The top meat substitutes
Plant-based burger patties made by Impossible Foods contain a genetically modified version of heme, an iron-containing molecule from soy plants, which is what gives them a meaty flavor.
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Vegan soy bratwurst has become a popular choice in Germany, allowing meat-lovers to cut meat from their diets without necessarily changing them too much. Meat-free diets have come a long way, with a variety of alternative options.
Photos: The top meat substitutes
Vegan soy