Plant · nut
Peanut Butter
Peanut Butter provides 25 g of protein per 100 g (8 g per typical serving).
25gprotein / 100 g
- Per serving
- 8 g (2 tbsp · 32 g)
- Calories
- 588 kcal / 100 g
- Protein density
- 4.3 g / 100 kcal
PDCAAS
0.51
Scale 0–1 (capped at 1.0)
DIAAS
45%
Low quality
Leucine
0.7 g
0.22 g per serving
Digestion
Slow
Best: Between meals / pre-sleep
Limiting amino acid
Lysine
Pair it to complete the profile
Nutrition per 100 g
- Protein 25 g 16% kcal
- Fat 50 g 71% kcal
- Carbs 20 g 13% kcal
| Calories | 588 kcal |
|---|---|
| Leucine | 700 mg (2.8% of protein) |
| Lysine | 500 mg |
| Typical serving | 2 tbsp (32 g) |
Leucine threshold
About 2.5–3 g of leucine per meal maximally switches on muscle protein synthesis.
2.5 g
One serving (2 tbsp) = 0.22 g leucine
Not a practical leucine source on its own. Treat it as a supporting protein and pair it with richer sources.
Pair it with
- Beans, lentils or chickpeasLegumes are lysine-rich, the classic rice + beans match.
- Tofu, tempeh or edamameSoy brings lysine and a high PDCAAS (0.91).
- Hummus (chickpea) with this foodHummus + pita is a complete-protein pairing.
Cost & footprint
- Cost per gram of protein
- $0.015
- Cost for 30 g protein
- ≈ $0.45
- Carbon footprint
- 1.8 kg CO₂e / kg
LowHigh
US retail estimates; prices and emissions vary by region and producer.