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Peanut bar Calories
Source of protein and healthy fats, energizing snack
CALORIES
GI
POTASSIUM
FIBER
Peanut bar Nutrition Facts
Selected: 100 g
510
KCAL / 100G
Carbs
37g
· 29%
Protein
16.5g
· 13%
Fat
33g
· 58%
Fiber
5.2g
Peanut bar Vitamins & Minerals
Vitamins
B3
10.8mg · 68% DV
Biotin
18µg · 60% DV
Vitamin E
7.8mg · 52% DV
B1
0.38mg · 32% DV
Minerals
Copper
1mg · 111% DV
Phosphorus
320mg · 46% DV
Manganese
1mg · 43% DV
Magnesium
170mg · 40% DV
Peanut bar Glycemic Index
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
Is Peanut bar Processed?
NOVA 3
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 Peanut bar Contain Allergens?
Contains these allergens:
Which Diets Is Peanut bar Good For?
Vegan
— Not suitable
Vegetarian
✓ Suitable
Gluten-Free
— Not suitable
Dairy-Free
— Not suitable
Mediterranean
— Not suitable
Paleo
— Not suitable
Whole30
— Not suitable
DASH
— Not suitable
Keto
— Not suitable
Low FODMAP
— Not suitable
Peanut bar Fat Profile
SATURATED
6.2g
MONOUNSATURATED
18.2g
POLYUNSATURATED
8.7g
Omega 6:3 ratio 1150:1
Above the ideal 4:1 (1150:1).
Foods Similar to Peanut bar
Peanut bar — Frequently Asked Questions
Is a peanut bar better before or after a workout?
It can be a convenient energy snack before exercise, but its fat content may feel heavy if eaten right before intense training. A small portion or earlier timing is often more comfortable, depending on your digestion.
Does a peanut bar keep you full?
The protein, fat, and fibre from peanuts can support fullness. However, ingredient lists and added sugar vary widely between bars, so it may not be a reliable meal replacement on its own.
How should a peanut bar be stored after opening?
Keep it tightly wrapped or in an airtight container in a cool, dry place away from sunlight. Heat can make the peanut oils turn rancid more quickly; discard it if the smell or flavour changes.
Can peanut bars be frozen?
Yes, peanut bars can be frozen in an airtight container to extend freshness. Their texture may change slightly after thawing, but they are generally fine to eat if stored safely.
How is a peanut bar different from plain peanuts?
Plain peanuts are usually a minimally processed, simple food, while bars often contain binders such as syrup, sugar, chocolate, or other ingredients. Checking the ingredient list is the best way to compare added sugars and processing.
Do peanut bars help keep blood sugar steady?
The fat, protein, and fibre in peanuts may slow the absorption of carbohydrates. However, bars made with syrups or substantial added sugar can still raise blood glucose, so people with diabetes should check the label and consider their individual plan.
Can you eat a peanut bar at night?
Yes, but a large bar close to bedtime may trigger indigestion or reflux in some people. If you need a late snack, a small portion is usually a better choice.
Are peanut bars a good snack for children?
They can be an occasional snack for children without peanut allergy when served in an age-appropriate portion. Break the bar into small pieces for younger children and avoid making high-added-sugar bars an everyday habit.
Why can a peanut bar taste bitter or stale?
The unsaturated oils in peanuts can oxidise when exposed to heat, light, and air, creating a rancid or bitter taste. Do not eat a bar that smells paint-like, tastes distinctly bitter, or has damaged packaging.
Can someone with a peanut allergy eat a peanut bar?
No. Peanut allergy can cause severe reactions, so anyone with a peanut allergy should avoid peanut bars completely and take “may contain peanuts” warnings seriously.
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Nutrition data compiled from USDA FoodData Central and scientific sources.