Is Liver Healthy? The Most Nutrient-Dense Food, With Caveats
Key takeaways
- Liver is among the most nutrient-dense foods, especially for vitamin A, B12, copper, and iron.
- Its vitamin A is so concentrated that pregnant people are advised to limit it.
- A small serving once or twice a week captures the benefit without overdoing vitamin A.
A nutrient outlier
Beef liver ranks at or near the top for several nutrients at once. Here is its full measured profile per 100 grams:
- Calories
- 135 kcal
- Protein
- 20.4 g
- Carbs
- 3.89 g
- Fat
- 3.63 g
It leads the database for vitamin A and is among the richest sources of vitamin B12 and copper.
The vitamin A caveat
Liver concentrates preformed vitamin A, which unlike beta-carotene can accumulate.
Pregnant people are advised to limit liver because high preformed vitamin A intake is linked to birth defects.[1] Everyone else can enjoy it in moderation.
How much
A serving of about 50 to 100 grams once or twice a week delivers the benefit while keeping vitamin A within a sensible range.
Bottom line
Liver is genuinely one of the most nutrient-dense foods available. Eat it in small, regular portions, and skip it if you are pregnant unless your clinician advises otherwise.
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