Head-to-head comparison

Whey Protein Isolate (WPI) vs Hemp Protein Powder: Which Has More Protein?

On paper, Whey Protein Isolate (WPI) and Hemp Protein Powder solve a similar problem — protein intake — but they get there differently enough to be worth a direct look.

Whey Protein Isolate (WPI)

90.0gprotein / 100g

370 cal · 1.0g fat · $$$ · Quality 1.0

Hemp Protein Powder

50.0gprotein / 100g

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

This isn't close. Whey Protein Isolate (WPI) packs 90.0g of protein per 100g against Hemp Protein Powder's 50.0g — a 40.0g gap driven mostly by how concentrated or diluted each food naturally is.

On protein quality specifically, Whey Protein Isolate (WPI) scores higher — highest DIAAS of any common protein source — compared to Hemp Protein Powder, which is lit_estimate, lower protein density than other powders, modest lysine.

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 — Hemp Protein Powder fits, Whey Protein Isolate (WPI) doesn't.

Whey Protein Isolate (WPI)'s typical serving also delivers more leucine (2700mg vs Hemp Protein Powder's 1150mg) — 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 Hemp Protein Powder if you need it to be plant-based, choose Whey Protein Isolate (WPI) otherwise — the protein numbers are close enough that diet compatibility should lead.

Full nutrition comparison

Per 100gWhey Protein Isolate (WPI)Hemp Protein Powder
Protein90.0g50.0g
Calories370380
Fat1.0g10.0g
Carbs1.5g30.0g
Fiber0.0g20.0g
Quality score1.00.5
Relative cost$$$$$$
Prep time1 min1 min

Frequently asked

Which has more protein, whey protein isolate (wpi) or hemp protein powder?

Whey Protein Isolate (WPI) has 90.0g of protein per 100g compared to Hemp Protein Powder's 50.0g.

Which is lower in calories?

Whey Protein Isolate (WPI) is lower in calories per 100g, at 370 vs the other's 380.