Head-to-head comparison

Pea Protein Isolate vs Brown Rice Protein: Which Has More Protein?

Pea Protein Isolate and Brown Rice Protein show up in a lot of the same meal-planning conversations, and the honest comparison depends on which specific number you're optimizing for.

Pea Protein Isolate

80.0gprotein / 100g

375 cal · 6.0g fat · $$ · Quality 0.82

Brown Rice Protein

78.0gprotein / 100g

380 cal · 3.0g fat · $$ · Quality 0.6

Pea Protein Isolate carries 2.0g more protein per 100g than Brown Rice Protein (80.0g vs 78.0g) — a real but modest edge.

On protein quality specifically, Pea Protein Isolate scores higher — DIAAS-adjusted, low in methionine, high in leucine for a plant source — compared to Brown Rice Protein, which is lit_estimate, low in lysine, typically blended with pea protein commercially.

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

Pea Protein Isolate's typical serving also delivers more leucine (2100mg vs Brown Rice Protein's 1750mg) — relevant if the goal is maximizing the muscle-protein-synthesis trigger per meal, not just total grams.

Verdict

Protein quality is the real differentiator here: Pea Protein Isolate's stronger amino acid profile gives it a genuine edge for muscle-building purposes, even with similar gram counts.

Full nutrition comparison

Per 100gPea Protein IsolateBrown Rice Protein
Protein80.0g78.0g
Calories375380
Fat6.0g3.0g
Carbs5.0g8.0g
Fiber4.0g2.0g
Quality score0.820.6
Relative cost$$$$
Prep time1 min1 min

Frequently asked

Which has more protein, pea protein isolate or brown rice protein?

Pea Protein Isolate has 80.0g of protein per 100g compared to Brown Rice Protein's 78.0g.

Which is lower in calories?

Pea Protein Isolate is lower in calories per 100g, at 375 vs the other's 380.