Choline + Cobalt + Cyanocobalamin + Ferrous Sulphate + Vitamin B1 is a combinational preparation different nutrients and minerals.

Choline is a nutrient that functions similarly to the B vitamins. Choline is involved in a variety of biochemical pathways in the human body. It's crucial for the nervous system's development and normal brain function.

Cobalt is a component of vitamin B12 and is consequently required for cellular function. It also plays a role in the creation of red blood cells as well as antibacterial and antiviral substances that keep infections at bay.

Cyanocobalamin is the synthetic form of vitamin B12, which is metabolized by the body into the active form. Vitamin B12 is required for the proper function and development of almost all the organ systems, including the brain, nerves, and blood cells. Methyl cobalamin is the active form of vitamin B12. 

Ferrous Sulphate is used as an iron supplement.

Vitamin B1, often known as thiamine, in one of the 8 essential vitamins which means that our body cannot produce this vitamin on its own. It is soluble in water. Vitamin B1 allows the body to utilize carbohydrates for energy. It is required for glucose metabolism and is important for nerve, muscle, and cardiac function.