Head-to-head comparison

Soy Protein Isolate vs Hemp Protein Powder: Which Has More Protein?

Soy Protein Isolate vs Hemp Protein Powder is a genuinely useful comparison because the two differ meaningfully on more than one axis, not just total protein.

Soy Protein Isolate

90.0gprotein / 100g

375 cal · 1.0g fat · $$ · Quality 0.9

Hemp Protein Powder

50.0gprotein / 100g

380 cal · 10.0g fat · $$$ · Quality 0.5

Soy Protein Isolate is in a different weight class here, protein-wise: 90.0g per 100g vs Hemp Protein Powder's 50.0g, a 40.0g 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 Hemp Protein Powder is lit_estimate, lower protein density than other powders, modest lysine.

Budget-wise, Soy Protein Isolate runs meaningfully cheaper per typical serving ($$) than Hemp Protein Powder ($$$).

Soy Protein Isolate's typical serving also delivers more leucine (2450mg vs Hemp Protein Powder's 1150mg) — relevant if the goal is maximizing the muscle-protein-synthesis trigger per meal, not just total grams.

Verdict

If raw protein density is what you're optimizing for, Soy Protein Isolate wins clearly. Choose Hemp Protein Powder instead if its lower fat, cost, or prep time matters more to you than the extra grams.

Full nutrition comparison

Per 100gSoy Protein IsolateHemp Protein Powder
Protein90.0g50.0g
Calories375380
Fat1.0g10.0g
Carbs2.0g30.0g
Fiber1.5g20.0g
Quality score0.90.5
Relative cost$$$$$
Prep time1 min1 min

Frequently asked

Which has more protein, soy protein isolate or hemp protein powder?

Soy Protein Isolate has 90.0g of protein per 100g compared to Hemp Protein Powder's 50.0g.

Which is lower in calories?

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