Soy Protein Isolate
90.0gprotein / 100g375 cal · 1.0g fat · $$ · Quality 0.9
Pinto Beans (cooked)
9.0gprotein / 100g143 cal · 0.7g fat · $ · Quality 0.6
Soy Protein Isolate is in a different weight class here, protein-wise: 90.0g per 100g vs Pinto Beans (cooked)'s 9.0g, a 81.0g difference that's more about food category than food quality.
Soy Protein Isolate also carries the stronger amino acid profile (one of the highest-quality plant proteins, near-complete on its own), while Pinto Beans (cooked) is incomplete on its own — low in methionine, pairs well with grains.
On price, Pinto Beans (cooked) wins clearly — $ against Soy Protein Isolate's $$.
Soy Protein Isolate's typical serving also delivers more leucine (2450mg vs Pinto Beans (cooked)'s 640mg) — relevant if the goal is maximizing the muscle-protein-synthesis trigger per meal, not just total grams.
If raw protein density is what you're optimizing for, Soy Protein Isolate wins clearly. Choose Pinto Beans (cooked) instead if its lower fat, cost, or prep time matters more to you than the extra grams.
Full nutrition comparison
| Per 100g | Soy Protein Isolate | Pinto Beans (cooked) |
|---|---|---|
| Protein | 90.0g | 9.0g |
| Calories | 375 | 143 |
| Fat | 1.0g | 0.7g |
| Carbs | 2.0g | 26.2g |
| Fiber | 1.5g | 9.0g |
| Quality score | 0.9 | 0.6 |
| Relative cost | $$ | $ |
| Prep time | 1 min | 90 min |
Frequently asked
Which has more protein, soy protein isolate or pinto beans (cooked)?
Soy Protein Isolate has 90.0g of protein per 100g compared to Pinto Beans (cooked)'s 9.0g.
Which is lower in calories?
Pinto Beans (cooked) is lower in calories per 100g, at 143 vs the other's 375.