Head-to-head comparison

Beef Liver vs Canned Tuna (in water): Which Has More Protein?

Beef Liver vs Canned Tuna (in water) is a genuinely useful comparison because the two differ meaningfully on more than one axis, not just total protein.

Beef Liver

26.3gprotein / 100g

175 cal · 4.9g fat · $ · Quality 0.9

Canned Tuna (in water)

26.0gprotein / 100g

116 cal · 0.8g fat · $ · Quality 0.9

Beef Liver edges out Canned Tuna (in water) by less than half a gram of protein per 100g (26.3g vs 26.0g) — statistically a wash for practical meal planning.

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.

Verdict

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

Full nutrition comparison

Per 100gBeef LiverCanned Tuna (in water)
Protein26.3g26.0g
Calories175116
Fat4.9g0.8g
Carbs3.9g0.0g
Fiber0.0g0.0g
Quality score0.90.9
Relative cost$$
Prep time10 min1 min

Frequently asked

Which has more protein, beef liver or canned tuna (in water)?

Beef Liver has 26.3g of protein per 100g compared to Canned Tuna (in water)'s 26.0g.

Which is lower in calories?

Canned Tuna (in water) is lower in calories per 100g, at 116 vs the other's 175.