Are Leeks Better for You Than Onions? A Head-to-Head Nutritional Comparison
                                
                                
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                                    4 min read                                
                            
                                Leeks contain significantly higher levels of vitamin K and A than onions, with one source indicating a vitamin K content over 11,000% higher per serving. This impressive nutritional difference prompts the question: are leeks better for you than onions overall, or do onions offer other unique benefits?