If you buy a multivitamin instead of a bunch of single vitamin and mineral supplements, you could save up to $350 per year. You’ll also conserve the production energy used to generate additional supplements and containers, and reduce your accumulation and disposal of plastic pill bottles. Unless recommended by a health professional, taking additional supplements may not provide any benefits to your well-being, and could cause harm if taken improperly. So, let the experts do the work for you—multivitamins typically contain everything you need.