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> There isn't much evidence that plant based protein is superior or equivalent to animal based(grass fed).

Where do you think the animals get the protein from in the first place? (hint: you already mentioned it)

Don't cows get protein from the gajillions of microbial creatures that digest the grass they eat, rather than from the grass directly?

There is a different between consuming plant protein directly and indirectly. Take the example of Giant Pandas, they have to eat constant to meet the demands of their body since they just eat plants. Their cousins on the other hand are not feeding all the time.

Also we cannot digest a lot of plant protein or covert it from complex fibre since we lack the enzymes and gut microbes to process them.

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