Humans and our remote ancestors have been eating animals for millions of years.
However, the modern Western diet has prioritized muscle meat over organ meats. Compared to the organs, muscle meat is nutritionally poor.
Out of all the organs, liver is by far the most nutritious.
The liver is a remarkable organ with hundreds of functions related to metabolism. One of its functions is to store important nutrients for the rest of your body.
A 3.5-ounce (100-gram) portion of beef liver contains (30):
Vitamin B12: 1,176% of the DV
Vitamin B5, vitamin B6, niacin and folate: Over 50% of the DV
Vitamin B2: 201% of the DV
Vitamin A: 634% of the DV
Copper: 714% of the DV
Iron, phosphorus, zinc and selenium: Over 30% of the DV
High-quality animal protein: 29 grams
Eating liver once per week is a good way to ensure that you get optimal amounts of these vital nutrients.
Liver is a highly nutritious organ meat containing large amounts of B vitamins as well as other healthy substances.