D. doesn't lead to a productive end.
I believe the answer is: Eat a well-balanced diet to increase energy and immunity
Even though physical activities improve both our energy and immunity in the long run, they are not as significant as maintaining well balanced diet in your life.
You need to make sure that you get your nutrients from various source of non-processed food in order to fulfill both your macronutrients and micronutrients.
By being educated on your own health and body you can be aware of potential health risks and it promotes healthy habbits helping you to lead a healthy and happy lifestyle.
With the vast amount of information and resources on the Internet, it’s easy for individuals to look up information on dietary supplements. The difficulty for consumers and health professionals is identifying Web sites that provide reliable information. This article provides registered dietitians (RDs) and dietetic technicians, registered (DTRs) with examples of federal Web sites that contain accurate, reliable, and unbiased information on dietary supplements and examples of commercial Web sites that currently provide useful information on dietary supplements.The Figure provides a quick reference list of US government Web sites discussed in this paper that provide free access to facts and authoritative information on dietary supplements. One of the most reliable sources is the National Institutes of Health (NIH), and, in particular, the Office of Dietary Supplements (ODS). The ODS Web site has five sections:<span><span>Health Information: Provides authoritative fact sheets on dietary supplement ingredients, nutrient recommendations, information on dietary supplement use and safety, and some database resources. These fact sheets can be used to quickly educate the reader on specific dietary supplements, vitamins, minerals, herbals, and botanicals.</span><span>News, Events & Media Resources: Provides links to conferences and workshops as well as announcements and news releases on dietary supplement related matters.</span><span>About ODS: Describes the ODS office and its staff.</span><span>Research & Training Programs: Describes the ODS programs and offers links to research resources and research sponsored by ODS.</span><span>Funding: Notes grant opportunities for those interested in conducting dietary supplement research.
Hope It Helps Please Mark As BrainLiest.</span></span>
