Crab
3 oz (85g)
Shrimp
4 oz (113g)
Crab vs Shrimp
A detailed nutrient-by-nutrient comparison per serving.
Quick Verdict
Crab wins
Ties
Shrimp wins
Crab leads on more nutrients per serving, but both foods have unique strengths.
Nutrient Comparison
Top nutrients as % Daily Value (capped at 100%)
Nutrient-by-Nutrient Breakdown
Crab
Nutrient
Shrimp
Magnesium
Iron
Calcium
Zinc
Potassium
Selenium
Iodine
Manganese
Phosphorus
Copper
Vitamin C
Vitamin B12
Folate
Vitamin E
Omega-3
Choline
Practicality & Cost
Practicality Ratings
Diet tags: Crab (pescatarian, dairy_free, nut_free) •Shrimp (pescatarian, dairy_free, nut_free)
Weekly Cost Estimate
Better Together
These foods complement each other nutritionally through synergy effects.
High fiber can reduce zinc absorption — balance intake
Pro tip: Space high-fiber and zinc-rich meals apart if possible
Zinc helps transport vitamin A from the liver
Pro tip: Sweet potato + pumpkin seeds covers both nutrients
Selenium is essential for thyroid hormone conversion alongside iodine
Pro tip: Seaweed (iodine) + Brazil nuts (selenium) = thyroid support
Copper is essential for iron metabolism and red blood cell formation
Pro tip: Liver and shellfish provide both — or pair cashews with lentils
Phosphorus and calcium work together for bone mineralization
Pro tip: Dairy naturally provides both in ideal ratios
High zinc intake can reduce copper absorption — balance both
Pro tip: Vary your protein sources between shellfish, nuts, and seeds
Leucine triggers muscle protein synthesis — pair with complete protein for full effect
Pro tip: Chicken breast or eggs provide both protein and leucine together
Related Comparisons
Full Nutrition Profiles
Disclaimer: Nutrient values are approximate and based on USDA FoodData Central. Actual values may vary by source, preparation method, and brand. Not medical advice.