Globally, an estimated two billion people suffer from micronutrient deficiencies that contribute to weakened immune systems, disease, disability, and even death.One of the main causes of micronutrient deficiencies – also known as hidden hunger – is low-quality diets that rely on calorie-rich but micronutrient-poor staple crops, and include very little nutrientdense foods such as animal-sourced foods and fresh fruits and vegetables.