Head-to-head comparison

Chicken Breast (skinless) vs Beef Liver: Which Has More Protein?

Chicken Breast (skinless) vs Beef Liver is a genuinely useful comparison because the two differ meaningfully on more than one axis, not just total protein.

Chicken Breast (skinless)

31.0gprotein / 100g

165 cal · 3.6g fat · $ · Quality 0.94

Beef Liver

26.3gprotein / 100g

175 cal · 4.9g fat · $ · Quality 0.9

There's a meaningful protein-density gap here: Chicken Breast (skinless) runs 31.0g per 100g against Beef Liver's 26.3g, roughly 4.7g more per equal weight.

Protein quality is essentially matched between the two — both land in a similar tier for amino acid completeness.

Cost is roughly comparable between the two ($), so budget isn't the deciding factor here.

Chicken Breast (skinless)'s typical serving also delivers more leucine (2400mg vs Beef Liver's 2050mg) — relevant if the goal is maximizing the muscle-protein-synthesis trigger per meal, not just total grams.

Verdict

These two are closer than the comparison headline suggests. Either Chicken Breast (skinless) or Beef Liver works well in most contexts — let cost, prep time, and personal preference decide rather than the macros.

Full nutrition comparison

Per 100gChicken Breast (skinless)Beef Liver
Protein31.0g26.3g
Calories165175
Fat3.6g4.9g
Carbs0.0g3.9g
Fiber0.0g0.0g
Quality score0.940.9
Relative cost$$
Prep time20 min10 min

Frequently asked

Which has more protein, chicken breast (skinless) or beef liver?

Chicken Breast (skinless) has 31.0g of protein per 100g compared to Beef Liver's 26.3g.

Which is lower in calories?

Chicken Breast (skinless) is lower in calories per 100g, at 165 vs the other's 175.