Head-to-head comparison

Beef Liver vs Lamb (leg, roasted): Which Has More Protein?

On paper, Beef Liver and Lamb (leg, roasted) solve a similar problem — protein intake — but they get there differently enough to be worth a direct look.

Beef Liver

26.3gprotein / 100g

175 cal · 4.9g fat · $ · Quality 0.9

Lamb (leg, roasted)

25.0gprotein / 100g

258 cal · 16.0g fat · $$$$ · Quality 0.91

Beef Liver carries 1.3g more protein per 100g than Lamb (leg, roasted) (26.3g vs 25.0g) — a real but modest edge.

Neither has a meaningful edge on protein quality; they're close enough on amino acid profile that it isn't a differentiator here.

Beef Liver is also the cheaper option ($ vs $$$$), which matters if you're eating either one regularly rather than occasionally.

Verdict

With protein content this close, cost is the more useful tiebreaker: Beef Liver delivers a similar protein profile to Lamb (leg, roasted) at a noticeably lower price per serving.

Full nutrition comparison

Per 100gBeef LiverLamb (leg, roasted)
Protein26.3g25.0g
Calories175258
Fat4.9g16.0g
Carbs3.9g0.0g
Fiber0.0g0.0g
Quality score0.90.91
Relative cost$$$$$
Prep time10 min90 min

Frequently asked

Which has more protein, beef liver or lamb (leg, roasted)?

Beef Liver has 26.3g of protein per 100g compared to Lamb (leg, roasted)'s 25.0g.

Which is lower in calories?

Beef Liver is lower in calories per 100g, at 175 vs the other's 258.