Diet Ratings
Hazelnuts contain approximately 5g net carbs per ounce with 17g fat and 4g protein. Excellent fat-to-carb ratio and rich in monounsaturated fats.
Whole plant food, rich in antioxidants, healthy fats, and minerals. Completely plant-based with no animal-derived ingredients.
Hazelnuts are whole, unprocessed nuts available to hunter-gatherers. Excellent nutritional profile with healthy fats, protein, and minerals. Universally accepted in paleo diet.
Mediterranean staple, especially in Turkey and Southern Europe. Rich in monounsaturated fats, antioxidants, and minerals. Minimal processing when whole.
Plant-derived nuts containing phytic acid, oxalates, and carbohydrates. Excluded from all carnivore diet protocols.
Whole, unprocessed nuts with no excluded ingredients. Compliant with Whole30 guidelines.
Hazelnuts contain moderate polyol content (sorbitol). Monash University indicates low-FODMAP status at restricted portions (10 nuts/14g), but high-FODMAP at larger servings. Portion control is essential.
iMonash University restricts hazelnuts to 10 nuts (14g) in elimination phase due to polyol content, while some practitioners may allow slightly larger portions based on individual tolerance.
Excellent source of magnesium, potassium, and vitamin E. Low sodium, predominantly monounsaturated fats. High fiber and plant protein. Strong DASH alignment.
Predominantly monounsaturated fat with good protein and fiber. Low glycemic index and anti-inflammatory properties make it an ideal Zone nut choice. Excellent for balanced meals.
Excellent source of monounsaturated fats and vitamin E. Rich in polyphenols and proanthocyanidins with strong antioxidant and anti-inflammatory effects. Low omega-6 relative to other nuts. Supported by Mediterranean diet research.
High in fat (17g per ounce) and calories (178 per ounce) with only 4.2g protein per ounce. Difficult to portion control and high fat content will exacerbate nausea and bloating. Not recommended for GLP-1 patients.
Controversy Index
Score range: 2–9/10. Higher controversy = more disagreement between diets.