Head-to-head comparison

Chicken Breast (skinless) vs Lamb (leg, roasted): Which Has More Protein?

Chicken Breast (skinless) and Lamb (leg, roasted) show up in a lot of the same meal-planning conversations, and the honest comparison depends on which specific number you're optimizing for.

Chicken Breast (skinless)

31.0gprotein / 100g

165 cal · 3.6g fat · $ · Quality 0.94

Lamb (leg, roasted)

25.0gprotein / 100g

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

Chicken Breast (skinless) delivers a clearly higher protein density than Lamb (leg, roasted) — 31.0g vs 25.0g per 100g, a gap of 6.0g that adds up fast across multiple servings.

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

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

Chicken Breast (skinless)'s typical serving also delivers more leucine (2400mg vs Lamb (leg, roasted)'s 1980mg) — relevant if the goal is maximizing the muscle-protein-synthesis trigger per meal, not just total grams.

Verdict

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

Full nutrition comparison

Per 100gChicken Breast (skinless)Lamb (leg, roasted)
Protein31.0g25.0g
Calories165258
Fat3.6g16.0g
Carbs0.0g0.0g
Fiber0.0g0.0g
Quality score0.940.91
Relative cost$$$$$
Prep time20 min90 min

Frequently asked

Which has more protein, chicken breast (skinless) or lamb (leg, roasted)?

Chicken Breast (skinless) has 31.0g of protein per 100g compared to Lamb (leg, roasted)'s 25.0g.

Which is lower in calories?

Chicken Breast (skinless) is lower in calories per 100g, at 165 vs the other's 258.