According to registered dietitian, Samantha Cassetty, both crab and lobster are healthy seafood options that provide a range of essential nutrients. While crab is a good source of omega-3 fatty acids and vitamin B12, lobster is rich in vitamin E, zinc, and copper. However, she notes that both options should be enjoyed in moderation due to their high levels of sodium. Additionally, she recommends choosing wild-caught options over farm-raised to avoid potential harmful chemicals and toxins. Ultimately, the choice between crab and lobster comes down to personal preference and specific health goals.