The ProteinMD app is in development. Join the waitlist for early access. Get early access →

Supplements · whey

Whey Protein Isolate

Whey Protein Isolate provides 90 g of protein per 100 g (27 g per typical serving).

  • Vegetarian
  • Contains dairy
  • Complete protein
90gprotein / 100 g
Per serving
27 g (1 scoop · 30 g)
Calories
370 kcal / 100 g
Protein density
24.3 g / 100 kcal
PDCAAS 1.00
Scale 0–1 (capped at 1.0)
DIAAS 115%
Excellent quality
Leucine 10 g
3 g per serving
Digestion Very fast Best: Post-workout
Limiting amino acid None (complete protein) All 9 essential amino acids covered

Nutrition per 100 g

  • Protein 90 g 94% kcal
  • Fat 1 g 2% kcal
  • Carbs 3 g 4% kcal
Calories370 kcal
Leucine10,000 mg (11.1% of protein)
Lysine9,333 mg
Typical serving1 scoop (30 g)

Leucine threshold

About 2.5–3 g of leucine per meal maximally switches on muscle protein synthesis.

2.5 g

One serving (1 scoop) = 3 g leucine

One serving reaches the leucine threshold on its own.

Pair it with

  • Vegetables & whole grainsAlready a complete protein. Pair for fiber and micronutrients.
  • Rice, potatoes or quinoaCarbohydrates help refuel after training.

Cost & footprint

Cost per gram of protein
$0.055
Cost for 30 g protein
≈ $1.65
Carbon footprint
8.5 kg CO₂e / kg
LowHigh

US retail estimates; prices and emissions vary by region and producer.

Coming to iOS & Android

The whole encyclopedia, in your pocket.

Tracker, barcode scanner, AI Coach “Pro”, clinical modes and more. Join the waitlist for early access and launch pricing.

Early access + launch pricing. No spam. Unsubscribe anytime.