Lipotropic factor are all except: (A) Choline, (B) Lecithin, (C) Arginine, (D) Methionine
Answer is C. Arginine

Lipotropic factors are substances which prevent the accumulation of fat (TGs) in the liver.
Primary lipotropic factors → choline, betaine, methionine, lecithin, inositol.
Other factors with some lipotropic action:- Vitamin-B12, folic acid, casein, glycine, essential fatty acids, selenium, vitamin E and serine.