• Carbohydrates: Meaning, types, functions, sources, deficiency, toxicity
• Proteins: Meaning, types, functions, sources, deficiency, toxicity
• Fats: Meaning, types, functions, sources, deficiency, toxicity
• Vitamins: Fat-soluble and water-soluble- Meaning, types, functions, sources, deficiency, toxicity
• Minerals: Macro-minerals, Micro-minerals, and Electrolytes- Meaning, types, functions, sources, deficiency, toxicity