The human body needs vitamin B12 to make red blood cells, nerves, DNA, and carry out other functions. The average adult should get 2.4 micrograms a day. Like most vitamins, B12can’t be made by the body.

Vitamin B12 is an essential vitamin that your body needs but cannot produce, it assists with the metabolism of fats, carbohydrates and protein. Vitamin B12 helps the body to convert food into energy and it also may assist in the reduction of tiredness and fatigue.

The human body needs vitamin B12 to make red blood cells, nerves, DNA. Vitamin B12 supports brain health and function, it also helps maintain a healthy nervous system. 
 

Magnesium is a mineral vital for the proper functioning of your body. Your body can’t make it, so you need to obtain it from your diet. The nutrient is essential for hundreds of metabolic processes and many other important bodily functions — from producing energy to building important proteins like your DNA.

Several studies have linked low magnesium levels to a higher risk of heart disease, increasing your intake may lower this risk. That’s because magnesium has strong anti-inflammatory properties, which may prevent blood clotting and can help your blood vessels relax to lower your blood pressure.

Vitamin C is an essential nutrient that must be consumed regularly to prevent deficiency it plays a role in many vital body functions, including metabolism and immunity. Our bodies can't make vitamin C so it be consumed from dietary sources.

A Scientific study conducted by The Arizona State University with overweight adult participants exercising for a slimmer waistline concluded that those supplementing with vitamin C found their training 10% easier and reported a drop in overall fatigue by 55%.