| Question | Answer |
| Vitamin A (Retinol) Function | Essential for vision, growth, and immune function |
| Vitamin A (Retinol) Food Sources | Liver, fish, dairy products, egg yolks, orange/yellow vegetables, dark green vegetables |
| Vitamin A (Retinol) Deficiency Symptoms | Night blindness, impaired immune function, dry skin, poor growth |
| Vitamin B1 (Thiamin) Function | Energy metabolism, nervous system function |
| Vitamin B1 (Thiamin) Food Sources | Whole grains, pork, legumes, nuts |
| Vitamin B1 (Thiamin) Deficiency Symptoms | Beriberi, fatigue, poor appetite, mental confusion |
| Vitamin B2 (Riboflavin) Function | Energy metabolism, skin and eye health |
| Vitamin B2 (Riboflavin) Food Sources | Dairy products, eggs, lean meats, green vegetables |
| Vitamin B2 (Riboflavin) Deficiency Symptoms | Cracks and sores around the corners of the mouth, inflammation of the tongue, eye disorders |
| Vitamin B3 (Niacin) Function | Energy metabolism, nervous system function |
| Vitamin B3 (Niacin) Food Sources | Lean meats, poultry, fish, whole grains, legumes |
| Vitamin B3 (Niacin) Deficiency Symptoms | Pellagra (diarrhea, dermatitis, dementia) |
| Vitamin B5 (Pantothenic Acid) Function | Energy metabolism, adrenal gland function |
| Vitamin B5 (Pantothenic Acid) Food Sources | Whole grains, legumes, meat, eggs, vegetables |
| Vitamin B5 (Pantothenic Acid) Deficiency Symptoms | Fatigue, numbness, tingling in hands and feet |
| Vitamin B6 (Pyridoxine) Function | Protein metabolism, nervous system function |
| Vitamin B6 (Pyridoxine) Food Sources | Meats, whole grains, vegetables, nuts, bananas |
| Vitamin B6 (Pyridoxine) Deficiency Symptoms | Anemia, depression, convulsions, dermatitis |
| Vitamin B7 (Biotin) Function | Energy metabolism, fat synthesis, glucose synthesis |
| Vitamin B7 (Biotin) Food Sources | Liver, soybeans, egg yolks, whole grains |
| Vitamin B7 (Biotin) Deficiency Symptoms | Dermatitis, hair loss, conjunctivitis |
| Vitamin B9 (Folate) Function | Red blood cell formation, DNA synthesis |
| Vitamin B9 (Folate) Food Sources | Leafy green vegetables, legumes, seeds, liver |
| Vitamin B9 (Folate) Deficiency Symptoms | Anemia, birth defects |
| Vitamin B12 (Cobalamin) Function | Red blood cell formation, nervous system function |
| Vitamin B12 (Cobalamin) Food Sources | Animal products (meat, fish, poultry, dairy) |
| Vitamin B12 (Cobalamin) Deficiency Symptoms | Pernicious anemia, nervous system disorders |
| Vitamin C (Ascorbic Acid) Function | Collagen synthesis, antioxidant, immune function |
| Vitamin C (Ascorbic Acid) Food Sources | Citrus fruits, strawberries, kiwi, peppers, broccoli |
| Vitamin C (Ascorbic Acid) Deficiency Symptoms | Scurvy, impaired wound healing, susceptibility to infections |
| Vitamin D (Calciferol) Function | Calcium absorption, bone health, immune function |
| Vitamin D (Calciferol) Food Sources | Sun exposure, fortified dairy products, fatty fish |
| Vitamin D (Calciferol) Deficiency Symptoms | Rickets (in children), osteomalacia (in adults) |
| Vitamin E (Tocopherol) Function | Antioxidant, red blood cell formation |
| Vitamin E (Tocopherol) Food Sources | Vegetable oils, nuts, seeds, green leafy vegetables |
| Vitamin E (Tocopherol) Deficiency Symptoms | Nerve damage, anemia, impaired immune function |
| Vitamin K Function | Blood clotting, bone health |
| Vitamin K Food Sources | Green leafy vegetables, liver, vegetable oils |
| Vitamin K Vitamin Deficiency | Impaired blood clotting, hemorrhage |
| Calcium Function | Bone and teeth health, muscle and nerve function |
| Calcium Food Sources | Dairy products, leafy green vegetables, tofu, fortified foods |
| Calcium Deficiency Symptoms | Osteoporosis, muscle cramps, convulsions |
| Iron Function | Hemoglobin and red blood cell formation, oxygen transport |
| Iron Food Sources | Meats, poultry, fish, legumes, fortified foods |
| Iron Deficiency Symtoms | Anemia, weakness, fatigue |
| Magnesium Function | Bone health, nerve and muscle function, energy metabolism |
| Magnesium Food Sources | Nuts, legumes, whole grains, dark green vegetables |
| Magnesium Deficiency Symptoms | Muscle weakness, fatigue, nausea |
| Potassium Function | Fluid balance, nerve and muscle function |
| Potassium Food Sources | Fruits, vegetables, dairy products, meat, legumes |
| Potassium Deficiency Symptoms | Muscle weakness, paralysis, confusion |
| Sodium Function | Fluid balance, nerve and muscle function |
| Sodium Food Sources | Table salt, processed foods, dairy products, meat |
| Sodium Deficiency Symptoms | High blood pressure, edema, dehydration |
| Zinc Function | Wound healing, immune function, taste perception |
| Zinc Food Sources | Meats, seafood, whole grains, nuts, legumes, dairy, dark chocolate, pumpkin seeds, and eggs |
| Zinc Deficiency Symptoms | Loss of taste and smell, poor wound healing, and problems with thinking, reasoning, and memory |
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