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Half Walnut Calories
Omega-3 source, healthy fats, antioxidant
CALORIES
GI
POTASSIUM
FIBER
Half Walnut Nutrition Facts
Selected: 100 g
654
KCAL / 100G
Carbs
13.7g
· 8%
Protein
15.2g
· 9%
Fat
65.2g
· 83%
Fiber
6.7g
Half Walnut Vitamins & Minerals
Vitamins
B6
0.54mg · 32% DV
B1
0.34mg · 28% DV
Folate
98µg · 25% DV
Biotin
6µg · 20% DV
Minerals
Copper
2mg · 222% DV
Manganese
3mg · 130% DV
Phosphorus
346mg · 49% DV
Magnesium
158mg · 38% DV
Half Walnut Glycemic Index
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
Is Half Walnut Processed?
NOVA 1
Unprocessed
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 Half Walnut Contain Allergens?
Contains these allergens:
Which Diets Is Half Walnut 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
Half Walnut Fat Profile
SATURATED
6.1g
MONOUNSATURATED
8.9g
POLYUNSATURATED
47.2g
Omega 6:3 ratio 4.2:1
Above the ideal 4:1 (4.2:1).
Foods Similar to Half Walnut
Half Walnut — Frequently Asked Questions
What is the best way to store walnut halves?
Keep walnut halves in an airtight container away from heat and light. Refrigeration or freezing helps preserve their fresh flavor for longer.
Can walnut halves be frozen?
Yes. Freeze them in a well-sealed, moisture-resistant container or bag to help protect their texture and prevent rancid flavors.
How can you tell whether walnuts have gone rancid?
Rancid walnuts may smell sharp, paint-like, or unusually bitter and can leave an unpleasant aftertaste. Discard them if they have these signs or show mold.
Does toasting walnuts change them?
Light toasting deepens their nutty flavor and adds crunch. Very high heat or prolonged toasting can damage delicate oils, so toast briefly and watch them closely.
Do walnuts last longer in the shell?
Yes, walnuts in their shells usually stay fresh longer because the shell protects the kernel from air and light. Shelled walnut halves benefit most from chilled storage.
What foods pair well with walnut halves?
Walnuts work well with yogurt, oats, salads, fruit, and cheese. Their rich, earthy flavor also balances tart apples, pears, berries, and citrus.
Are walnuts better before or after a workout?
Because walnuts are rich in fat, they may feel too heavy immediately before intense exercise for some people. After training, pairing them with fruit or yogurt can make a more balanced snack.
Is it bad to eat walnuts at night?
For most people, eating walnuts at night is not inherently harmful. Anyone prone to reflux or indigestion may prefer to avoid larger fatty snacks close to bedtime.
Do walnuts improve brain power on their own?
No single food can reliably boost intelligence or memory by itself. Walnuts can be part of an overall eating pattern that supports health, alongside sleep, activity, and varied foods.
Who should be cautious with walnut halves?
People with a tree-nut allergy should avoid walnuts, as reactions can be severe. Whole nuts or large pieces can also be a choking risk for young children and people with swallowing difficulties.
Have another question about Half Walnut?
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Nutrition data compiled from USDA FoodData Central and scientific sources.