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Plain Peanut Butter Calories
High protein and healthy fat, plain peanut butter
CALORIES
GI
POTASSIUM
FIBER
Plain Peanut Butter Nutrition Facts
Selected: 100 g
588
KCAL / 100G
Carbs
20g
· 13%
Protein
25.1g
· 16%
Fat
49.2g
· 71%
Fiber
6.3g
Plain Peanut Butter Vitamins & Minerals
Vitamins
B3
13.3mg · 83% DV
Biotin
18µg · 60% DV
Vitamin E
8.3mg · 55% DV
B1
0.45mg · 38% DV
Minerals
Copper
1mg · 111% DV
Manganese
2mg · 87% DV
Phosphorus
335mg · 48% DV
Magnesium
168mg · 40% DV
Plain Peanut Butter Glycemic Index
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
Is Plain Peanut Butter Processed?
NOVA 2
Minimally Processed
1. Unprocessed
2. Minimally Processed
3. Processed
4. Ultra-Processed
NOVA classifies foods into 4 groups by industrial processing. NOVA 1 (unprocessed) is the healthiest.
Does Plain Peanut Butter Contain Allergens?
Contains these allergens:
Which Diets Is Plain Peanut Butter Good For?
Vegan
✓ Suitable
Vegetarian
✓ Suitable
Gluten-Free
✓ Suitable
Dairy-Free
— Not suitable
Mediterranean
✓ Suitable
Paleo
✓ Suitable
Whole30
— Not suitable
DASH
— Not suitable
Keto
✓ Suitable
Low FODMAP
— Not suitable
Plain Peanut Butter Fat Profile
SATURATED
9.6g
MONOUNSATURATED
24.6g
POLYUNSATURATED
13.7g
Omega 6:3 ratio 1340:1
Above the ideal 4:1 (1340:1).
Foods Similar to Plain Peanut Butter
Plain Peanut Butter — Frequently Asked Questions
Does oil on top of plain peanut butter mean it has gone bad?
No. Oil separation is normal in peanut butter without added emulsifiers; stir it back in with a clean utensil before eating.
How should plain peanut butter be stored after opening?
Keep the lid tightly closed in a cool, dry place away from direct sunlight. Refrigeration can slow oil separation, although it will make the peanut butter firmer.
Can plain peanut butter be frozen?
Freezing is usually unnecessary and may cause a grainy or separated texture after thawing. If needed, freeze small portions in airtight containers rather than the whole jar.
Why can peanut butter taste bitter or stale?
Peanut oils can oxidize after exposure to heat, light, and air, creating a bitter or rancid taste. Discard it if it has a strong paint-like, sour, or distinctly stale smell.
What can I eat with plain peanut butter besides bread?
Try it with yogurt, oatmeal, smoothies, apple slices, or banana. Pairing it with fruit can make a more satisfying snack than eating a sweet food alone.
Is plain peanut butter better before or after a workout?
Because it is rich in fat, a large serving just before exercise may feel heavy or slow digestion. It can work well after training as part of a meal or snack that also contains carbohydrate and protein.
Is it bad to eat peanut butter at night?
The time of day is less important than your overall intake and portion size. People with reflux may find that fatty foods close to bedtime worsen symptoms.
Is peanut butter healthier than almond butter?
Both can fit a healthy diet, and the better choice depends on allergies, taste, price, and the ingredient list. Choose a product made mainly from nuts, without unnecessary added sugar, excess salt, or added oils.
Does plain peanut butter raise cholesterol?
Most of its fat is unsaturated, so it can be a useful replacement for spreads high in saturated fat within a balanced diet. Individual cholesterol management still depends on the whole diet and medical advice.
Who should be careful with plain peanut butter?
Anyone with a peanut allergy must avoid it, as even small amounts or cross-contact can trigger serious reactions. People with reflux or medically prescribed potassium or phosphorus restrictions may also need individualized guidance.
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Nutrition data compiled from USDA FoodData Central and scientific sources.