I try to eat low carb or at least low net carbs, that’s carb content minus fibre. The reason for this is that I want to gain the health and weight benefits of straight low carb without the drawbacks of animal protein in particular red meat, whilst gaining the health benefits of a whole food plant based diet. Is there evidence that this can be done and offers benefits, well yes. It has tended to go under the title of Eco Atkins and has shown benefits.
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Critics will suggest that correlation does not mean causation. In other words finding that people who eat this way among a myriad of other factors does not prove that the low carb low meat aspect is responsible. This is a typical cop out when results dont seem to be the way you would like them. It would have more validity if these critics were also citing equal number of meat based diets that outperform plant based on heart disease and longevity