Athletes involved in heavy training may need more of several vitamins, such as thiamin, riboflavin, and vitamin which are involved in energy production.

The element that complements correclty the exercise:

Athletes involved in heavy training may need more of several vitamins, such as thiamin, riboflavin, and vitamin , which are involved in energy production.

Is:

Vitamin B6

Explanation:

Vitamin B6 is not vitamin B it is a compound fraction of vitamin B and they are used to carry on very diverse body functions like: assimilate amino acid, glucose, and lipids. Which are used as fuel by the cells to perform their job. Especially by muscle cells when they require energy, glucose is their first option, then lipid because it is energy storage. So vitamin B6 is an element that allows these cells to perform these functions. They are complemented by the proteins and elements mentioned before because in order to maintain the performance of muscle cells, proteins are also required. If proteins are not provided then the cells would only die and not create new ones to replace them.

the relative standard reduction potential of the half-cell in which reduction occurs; more positive than the other half-cell. reduction is a chemical process in which electrons are added to an atom or an ion; it always occurs accompanied by oxidation of the reducing agent.

i would say it is