Seafood
Snow Crab
A low-calorie, high-protein shellfish with zero carbohydrates and a sweet, delicate flavor.
A popular crustacean harvested from cold ocean waters, known for its long legs and sweet, delicate white meat. Typically sold pre-cooked and frozen.
lean protein-dense shellfish
Typical serving · 85g
Common varieties · opilio, bairdi, queen crab, tanner crab
Overall context score across nutrition, safety, and diet fit
At a glance
Quick facts
Simple indicators based on nutrition, processing, and diet fit.
The story
What makes it unique
Snow crab is a fast-digesting, lean protein source with zero carbohydrates. Its high protein content promotes satiety, while its minimal fat content makes it very low in energy density. As a minimally processed whole food, it retains its natural micronutrient profile, though sodium levels can be elevated due to brining and boiling during processing.
Varieties: opilio · bairdi · queen crab · tanner crab
Per 100g
Nutrition breakdown
Macro balance and key metrics at a glance.
Energy
Density 0.90 kcal/g
Protein
Carbs
Fat
Fiber
Sugar
0 g
Sodium
600 mg
Potassium
210 mg
Glycemic index
0
Glycemic load
0
Water content
79%
Standout compounds
Nutrient highlights
Protein
highSupports muscle growth, tissue repair, and satiety
Vitamin B12
highEssential for nerve function and red blood cell formation
Zinc
moderateBoosts immune function and supports wound healing
Selenium
highActs as an antioxidant and supports thyroid function
Wellness map
Health scores & processing
NOVA processing scale
minimally processed · Whole food
Typically sold as whole legs or clusters that are simply cooked and frozen at sea to preserve freshness without additives.
Diet compatibility
- Weight loss
- Muscle gain
- Diabetes
- Gut health
- Low carb
- High protein
- Heart health
Relative standing
Food rankings
Qualitative ranks compared to similar whole foods.
- Satietyexcellent
- Blood sugarexcellent
- Nutrient densitygood
- Fitness fuelgood
- Processing qualityexcellent
Eat with confidence
Food safety profile
Snow crab is generally safe and sourced from well-regulated wild fisheries. It can contain moderate levels of cadmium and arsenic, particularly in the brown meat, but consuming the white leg meat minimizes this exposure. Spoilage can produce histamine and ammonia, making fresh handling critical.
Evidence confidence 85%
- Pesticideslow
- Antibioticslow
- Heavy metalsmoderate
- Contaminationmoderate
Watch for
- cadmium
- arsenic
- microplastics
- vibrio
Safer choices
MSC-certified snow crab ensures sustainable and well-regulated harvesting practices.
Prep tips
Ensure crab is cooked thoroughly to eliminate vibrio bacteria. Avoid legs with an ammonia smell, which indicates spoilage. Rinse briefly before consuming to remove surface brine.
Heavy metal accumulation in marine environments; strict fishing quotas to prevent overfishing.
Deep dive
Health analysis
How this food may fit different goals and preparation choices.
Weight loss
Extremely low energy density and high protein content increase feelings of fullness, making it easier to maintain a calorie deficit.
Blood sugar
Contains zero carbohydrates, resulting in no glycemic impact, which makes it highly suitable for glucose management.
Fitness & energy
Provides fast-digesting protein ideal for post-workout muscle repair, though it lacks carbohydrates for glycogen replenishment.
Gut health
Easily digestible due to low fat and connective tissue, but contains no dietary fiber to directly support the gut microbiome.
Processing quality
Usually flash-cooked and frozen at sea, preserving its natural nutritional profile without the need for artificial preservatives.
Food safety
Wild-caught populations generally have low pesticide and antibiotic residues, but consumers should be mindful of natural heavy metal accumulation in marine ecosystems.
Common mistakes
Dipping crab meat heavily in melted butter transforms a low-calorie protein into a high-calorie, high-fat meal, negating its weight loss benefits.
Best preparation
Steamed or briefly boiled to reheat, served with lemon juice or a light vinegar dip instead of butter to keep calories minimal.
Practical guide
Best use cases
When and how this food fits real eating patterns.
post-workout recovery
Provides fast-digesting lean protein to support muscle repair without adding excess calories or fat.
low-carb diet meals
A zero-carb protein source that fits perfectly into ketogenic, paleo, and other low-carbohydrate eating plans.
high-volume low-calorie eating
The physical effort required to extract meat from the shells slows down eating pace, naturally promoting satiety and portion control.
Balance sheet
Pros & cons
Upsides
- Very low in calories and fat
- Zero carbohydrates with no glycemic impact
- High in complete, lean protein
- Rich in vitamin B12 and selenium
- Quick to prepare since it is pre-cooked
Trade-offs
- High in sodium from brining and boiling
- Can be expensive compared to other protein sources
- Time-consuming to shell and extract meat
- Contains moderate levels of dietary cholesterol
- Risk of overcooking which makes the meat rubbery
Fit check
Who is it for?
Great match
- weight loss diets
- low-carb and keto diets
- post-workout muscle recovery
- diabetic meal plans
Consider alternatives
- low-sodium diets
- those with shellfish allergies
- strict budget meal planning
Side by side
How it compares
Open the full head-to-head analysis for nutrition, safety, and practical tradeoffs.
This food
Snow Crab
VS90% alike
Compare with
King Crab
King crab is larger with richer, sweeter meat and more fat, while snow crab is leaner, lower in calories, and more affordable.
Snow crab is lower in calories and fat than king crab, making it better for weight loss, while king crab offers slightly more satiety due to its higher fat content.
This food
Snow Crab
VS85% alike
Compare with
Lobster
Lobster is firmer and slightly lower in sodium, while snow crab is sweeter and easier to portion as a snack.
Lobster and snow crab are both lean, zero-carb proteins, but lobster is typically lower in sodium, while snow crab offers a sweeter, more delicate flavor.
This food
Snow Crab
VS80% alike
Compare with
Shrimp
Shrimp is lower in sodium and more versatile in cooking, while snow crab provides a more substantial eating experience per calorie.
Shrimp is lower in sodium and more versatile, while snow crab provides a higher satiety factor due to the slower eating process of cracking shells.
This food
Snow Crab
VS95% alike
Compare with
Dungeness Crab
Dungeness crab has a higher fat and calorie content but offers a richer flavor, while snow crab is leaner.
Snow crab is leaner and lower in calories than Dungeness crab, making it the better choice for strict weight loss, while Dungeness offers a richer flavor profile.
This food
Snow Crab
VS70% alike
Compare with
Chicken Breast
Chicken breast is lower in sodium and cheaper, while snow crab provides more micronutrients like B12 and selenium.
Chicken breast is lower in sodium and more cost-effective for daily fitness diets, while snow crab offers superior B-vitamins and a zero-prep seafood option.
This food
Snow Crab
VS65% alike
Compare with
Salmon
Salmon is high in omega-3 fats and calories, while snow crab is fat-free and significantly lower in calories.
Snow crab is much lower in calories and fat than salmon, making it better for cutting, while salmon provides healthy fats essential for overall wellness.
This food
Snow Crab
VS75% alike
Compare with
Scallops
Scallops are lower in sodium and cholesterol, while snow crab is more accessible and often cheaper.
Scallops are lower in sodium and cholesterol compared to snow crab, but both are excellent low-calorie, high-protein seafood choices.
This food
Snow Crab
VS70% alike
Compare with
Tuna
Tuna is denser in protein and lower in sodium, while snow crab is sweeter and lower in mercury.
Tuna provides more protein per gram and less sodium than snow crab, but snow crab is lower in mercury and offers a sweeter eating experience.
This food
Snow Crab
VS80% alike
Compare with
Crawfish
Crawfish are higher in cholesterol and often boiled with spicy seasonings adding sodium, while snow crab is milder and leaner.
Snow crab is leaner and lower in cholesterol than crawfish, making it a cleaner protein source, though both are low-calorie shellfish.
This food
Snow Crab
VS50% alike
Compare with
Oysters
Oysters are high in zinc and contain some carbs, while snow crab is a pure zero-carb protein source.
Snow crab is a zero-carb, high-protein choice better suited for blood sugar control, whereas oysters provide unique zinc benefits but contain trace carbohydrates.
Common questions
FAQ
Answers aligned with how people search for this food.
Is snow crab good for weight loss?
Yes, snow crab is excellent for weight loss. It is very low in calories and high in protein, which boosts satiety and helps preserve muscle mass while in a calorie deficit.
Can diabetics eat snow crab?
Yes, snow crab contains zero carbohydrates and will not spike blood sugar levels. It is a safe and nutritious protein choice for diabetic diets, though individuals should watch the sodium content.
Does snow crab have a lot of cholesterol?
Snow crab does contain dietary cholesterol, but it is very low in saturated fat. For most people, the dietary cholesterol in shellfish has a minimal impact on blood cholesterol levels compared to saturated fat.
How many calories are in snow crab legs?
There are approximately 90 calories in 100 grams of snow crab meat. A typical serving of about 3 ounces (85g) contains roughly 75 calories.
Is snow crab high in sodium?
Yes, snow crab can be high in sodium because it is typically boiled in salted water or brined before freezing. A 100g serving can contain around 600mg of sodium.
Does snow crab have omega-3 fatty acids?
Snow crab provides a moderate amount of omega-3 fatty acids, specifically EPA and DHA, which are beneficial for heart and brain health, though less than fattier fish like salmon.
What is the difference between snow crab and king crab?
King crab is larger, has a richer and sweeter flavor, and contains more calories and fat. Snow crab has thinner legs, a more delicate flavor, and is lower in calories and fat.
Can you eat snow crab on a keto diet?
Yes, snow crab is carb-free and keto-friendly. Just avoid breading and be mindful of carb content if using certain sauces or dips.
Transparency
Data confidence
Estimated confidence for nutrition data, interpretation, safety notes, and comparisons.
Nutrition data
Health analysis
Food safety
Comparisons