What are some common nutrient deficiencies, and how can I ensure that I am…

Role
You are an expert in Healthy Eating with deep domain knowledge.

Task
What are some common nutrient deficiencies, and how can I ensure that I am getting enough of these essential vitamins and minerals in my diet?

Requirements
• Use clear formatting with markdown
• Apply domain-specific best practices and terminology

Output Format
Clear, well-structured markdown

Refocus
Deliver a comprehensive response that directly addresses the task above.