An 85 grams (3 oz.) pork liver is abundant in protein and other nutrients like phosphorous, vitamin B-6, zinc, vitamin C, thiamin, niacin and folate with 140 calories.
Take note that as little as 85 grams we can get  abundant nutrients, so do not eat too much of pork liver to maintain a healthy diet.
Here is a simple recipe to enjoy.

Ingredients:
1/2 kilo pork liver ( sliced to your desired size)
2 tablespoons calamansi or lemon juice
1 onion
3 cloves garlic
1/2 piece bell pepper 
salt and pepper to taste

Procedure:
1. Pan fried the liver until half cooked then set aside. 

2. Saute the garlic and onion then add the pan fried liver, bell pepper, lemon or calamansi juice, salt and pepper to taste then simmer until cooked.
3. Serve it hot with rice.