Head-to-head comparison

Turkey Breast (roasted) vs Soybeans (mature, cooked): Which Has More Protein?

On paper, Turkey Breast (roasted) and Soybeans (mature, cooked) solve a similar problem — protein intake — but they get there differently enough to be worth a direct look.

Turkey Breast (roasted)

29.0gprotein / 100g

135 cal · 1.0g fat · $ · Quality 0.93

Soybeans (mature, cooked)

18.2gprotein / 100g

173 cal · 9.0g fat · $ · Quality 0.85

This isn't close. Turkey Breast (roasted) packs 29.0g of protein per 100g against Soybeans (mature, cooked)'s 18.2g — a 10.8g gap driven mostly by how concentrated or diluted each food naturally is.

On protein quality specifically, Turkey Breast (roasted) scores higher — high-DIAAS complete animal protein — compared to Soybeans (mature, cooked), which is DIAAS-adjusted, complete plant protein.

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

If you're eating plant-based, this comparison is moot — Soybeans (mature, cooked) fits, Turkey Breast (roasted) doesn't.

Turkey Breast (roasted)'s typical serving also delivers more leucine (2250mg vs Soybeans (mature, cooked)'s 1400mg) — relevant if the goal is maximizing the muscle-protein-synthesis trigger per meal, not just total grams.

Verdict

The real deciding factor is dietary fit, not macros: choose Soybeans (mature, cooked) if you need it to be plant-based, choose Turkey Breast (roasted) otherwise — the protein numbers are close enough that diet compatibility should lead.

Full nutrition comparison

Per 100gTurkey Breast (roasted)Soybeans (mature, cooked)
Protein29.0g18.2g
Calories135173
Fat1.0g9.0g
Carbs0.0g8.4g
Fiber0.0g6.0g
Quality score0.930.85
Relative cost$$
Prep time60 min90 min

Frequently asked

Which has more protein, turkey breast (roasted) or soybeans (mature, cooked)?

Turkey Breast (roasted) has 29.0g of protein per 100g compared to Soybeans (mature, cooked)'s 18.2g.

Which is lower in calories?

Turkey Breast (roasted) is lower in calories per 100g, at 135 vs the other's 173.