Higher intake of heme iron, the type found in red meat and other animal products—as opposed to non-heme iron, found mostly in plant-based foods—was associated with a higher risk of developing type …
"Heme is what makes meat taste like meat. It’s an essential molecule found in every living plant and animal -- most abundantly in animals -- and something we’ve been eating and craving since the dawn of humanity. Here at Impossible Foods, our plant-based heme is made via fermentation of genetically engineered yeast, and safety-verified by America’s top food-safety experts and peer-reviewed academic journals. Watch more below."
This is another reason to favor Beyond over Impossible! Additionally, Beyond has always been gluten-free while Impossible made their recipe gluten-free years down the road.
Would imagine that their main goal is to make it easier for the average current meat eater consumer to actually try non-meat options. And is their version of heme the same level of problem as actual meat based heme?