What is the difference between micro and macro nutrients?

The main difference between macronutrients and micronutrients is that human body requires macronutrients in larger quantities whereas micronutrients are needed in smaller quantities. ... Meanwhile, micronutrients such as vitamins, minerals and phytochemicals are essential for maintaining a good health.

This gel or liquid can be placed under the tongue of an unconscious person. this is important because you should never pour anything down the throat of an unconscious person-- s/he could choke.