Human: I've been told I need to take a vitamin supplement. Which vitamins should I take? Assistant: 
It depends on your age and health needs. Generally, it is recommended that adults get the following daily: Vitamin A (retinol), Vitamin B-complex, Vitamin C, Vitamin D, Vitamin E, and Vitamin K. However, you may also want to consider taking additional supplements depending on your specific needs, such as Omega-3 fatty acids or Calcium.