complete Vitamin B-complex table (B1–B12, plus B4/Choline)

 complete Vitamin B-complex table (B1–B12, plus B4/Choline) showing deficiency symptoms and food sources for easy reference:

Vitamin	Other Name	Deficiency Symptoms	Food Sources
B1	Thiamine	Fatigue, weakness, loss of appetite, nerve damage, Beri-Beri	Whole grains, pork, legumes, nuts, seeds, fortified cereals
B2	Riboflavin	Cracks at mouth corners, red/swollen tongue, dermatitis, eye fatigue	Milk, yogurt, cheese, eggs, almonds, lean meats, green leafy vegetables, whole grains
B3	Niacin	Pellagra: dermatitis, diarrhea, dementia, fatigue, headache	Meat, poultry, fish, whole grains, peanuts, legumes, mushrooms, eggs, dairy
B4	Choline / Adenine	Liver damage (fatty liver), muscle damage, cognitive issues, neural tube defects	Eggs, liver, fish, chicken, milk, cruciferous vegetables, peanuts
B5	Pantothenic Acid	Fatigue, irritability, numbness, burning feet, digestive issues	Meat, eggs, whole grains, legumes, avocados, broccoli, mushrooms
B6	Pyridoxine	Anemia, irritability, depression, confusion, skin disorders, weakened immune function	Poultry, fish, bananas, potatoes, fortified cereals, chickpeas
B7	Biotin	Hair loss, skin rash, brittle nails, depression, fatigue	Eggs, nuts, seeds, salmon, sweet potatoes, spinach
B9	Folate / Folic Acid	Megaloblastic anemia, fatigue, weakness, neural tube defects in fetuses	Leafy greens, legumes, citrus fruits, fortified cereals, asparagus, avocados
B12	Cobalamin	Pernicious anemia, fatigue, weakness, nerve damage, memory loss	Meat, fish, poultry, eggs, dairy, fortified plant-based milks