Avocado vs Peanut Butter: Nutritional Comparison
Quick answer: Peanut Butter delivers 12.5× the protein per serving (25g vs 2g). Peanut Butter is 428 kcal denser per serving, making avocado the easier fit in a calorie-controlled day. For grams of protein per calorie, peanut butter wins.
Nutritional Comparison (per serving)
| Nutrient | Avocado | Peanut Butter |
|---|---|---|
| Calories | 160 kcal | 588 kcal |
| Protein | 2g | 25g |
| Carbs | 9g | 20g |
| Fat | 15g | 50g |
| Fiber | 7g | 6g |
| Serving | 100g (about 2/3 of a medium avocado) | 100g (about 6 tablespoons) |
| Category | Fat | Fat |
| Best For | Heart Health, Maintenance, Keto | Muscle Gain, Bulking, Energy |
Avocado
Avocados are a nutrient-dense source of healthy monounsaturated fats and fiber. They support heart health, nutrient absorption, and provide lasting satiety.
Key Benefits
- Rich in heart-healthy monounsaturated fats
- High fiber content
- Contains potassium
- Supports nutrient absorption
Best for: Heart Health, Maintenance, Keto
Peanut Butter
Peanut butter is a calorie-dense food that provides a convenient combination of healthy fats, protein, and carbohydrates. It's a staple for anyone trying to gain muscle or add calories.
Key Benefits
- Dense source of calories and protein
- Heart-healthy fats
- Rich in niacin and magnesium
- Satisfying and filling
Best for: Muscle Gain, Bulking, Energy
Which One Should You Pick?
- For a calorie deficit: Avocado at 160 kcal per serving (saves you 428 kcal vs peanut butter).
- To hit a protein target: Peanut Butter at 25g per serving (12.5× the avocado option).
- For protein per calorie: Peanut Butter delivers 4.3g of protein per 100 kcal — the more efficient pick if you're tracking macros tightly.
- For satiety/fiber: Avocado (7g fiber).
Frequently Asked Questions
Is avocado or peanut butter better for weight loss?
Avocado fits a deficit more easily — 160 kcal per serving versus 588 kcal for peanut butter. That's 428 kcal you don't have to budget for. Both still work in a weight loss diet at smaller portions.
Which has more protein?
Peanut Butter wins on protein with 25g per serving versus 2g for avocado. Per calorie, that's 4.3g protein/100 kcal vs 1.3g protein/100 kcal — useful context when you're aiming for a high-protein, controlled-calorie day.
Can I eat both in the same meal?
Both are fat sources, so stacking them in one meal duplicates macros instead of balancing them. Rotate across meals or pair each with a different macro category (a protein and a carb source).
Track Your Nutrition with AI
Use your phone camera to snap a photo for instant macros, manually enter your meals, or search our food database. Fitnit gives you three easy ways to track nutrition.
Get Started Free