Answer:
Can i get a brainiest? Have a good day and stay healthy
Explanation:
The Recommended Dietary Allowance (RDA) is the value that is used in guiding healthy individuals to achieve a good nutrient intake for their body. It is a goal for average intake over time; day-to-day variation is to be expected. RDAs are set differently for certain life stage groups and sometimes they differ for males and females.
<span>A dietary supplement is taken to supplement the diet and its deficiencies. It is not a complete nutritional diet and therefore, is not able to deliver all the required vital components of the nutrition. Dietary supplements should be taken high doses, as they poses harmful effects when taken for a prologed time, and without prescription. </span>
Vitamins work with enzymes to initiate chemical reactions within cells. Vitamins plays an indirect role in catalysis, where in the beginning of the chemical reaction speeds up with the help of enzymes, in order to participate in catalytic reactions.
Tobacco is the answer to your question