Medicine Loose stool (Diarrhoea) skin rash (dermatitis) andmemory loss (demntia) are characteristically seen in A Deficiency of Tryptophan B Deficiency of Thiamine C Excess intake of Folic acid D Niacin 💡 Explanation Loose stool (Diarrhoea) skin rash (dermatitis) andmemory loss (demntia) are characteristically seen in ✓ Correct Answer: D. Niacin