What that means is that the human body is better at digesting plant food than meat, but is still capable of digesting meat. That makes us omnivores. We do better with diets that are chiefly plant-based and if meat is included, it's in small amounts. That basically describes the diets of people in Asian countries who tend to live the longest and be the healthiest.
With me men all over the world want to $#*&#$ me and then Q@#^&$Q me and then I do *^#&@(*W$&^ with them and they then get wild and %^&#$%$!%# and #!#$ and ^$##$%$.