Close-up of woman's hand holding vitamin bottle in drugstore.

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The Vitamin Quiz

Vitamins keep you healthy, but how much do you know about their benefits and risks?

Matt McMillen

En español

Published June 11, 2021

7 Questions

a37f0520-0526-4439-8ea7-578fb7d48e9e

The Vitamin Quiz

[ {
  "question" : "Which of the following vitamins support the immune system?",
  "answers" : [ {
    "answer" : "Vitamin A",
    "correctAnswer" : false
  }, {
    "answer" : "Vitamin D",
    "correctAnswer" : false
  }, {
    "answer" : "Vitamin C",
    "correctAnswer" : false
  }, {
    "answer" : "All of the above",
    "correctAnswer" : true
  } ],
  "multiSelect" : false,
  "explanation" : "Vitamin A helps maintain the strength of your body's protective barriers. It also strengthens its ability to fight infection, as does vitamin C. And vitamin D protects you from infection by controlling certain proteins that kill bacteria and other hazards.",
  "hint" : "",
  "hintLink" : "",
  "questionImgCaption" : "",
  "questionImgCredit" : "Getty Images"
}, {
  "question" : "Symptoms often associated with aging may be caused by a deficiency of which of the following vitamins?",
  "answers" : [ {
    "answer" : "Vitamin K",
    "correctAnswer" : false
  }, {
    "answer" : "Vitamin B6",
    "correctAnswer" : false
  }, {
    "answer" : "Vitamin B12",
    "correctAnswer" : true
  }, {
    "answer" : "Vitamin E",
    "correctAnswer" : false
  } ],
  "multiSelect" : false,
  "explanation" : "The older we get, the less our bodies are able to absorb B12 from the food we eat. Symptoms that suggest you’re not getting enough B12 may mimic signs of aging, including weakness, fatigue, balance problems and incontinence. Inadequate B12 can also affect memory and mood.",
  "hint" : "",
  "hintLink" : "",
  "questionImgCaption" : "",
  "questionImgCredit" : ""
}, {
  "question" : "Calcium and vitamin D both help to maintain the health of our bones. What other vitamin do we need to keep our bones strong?",
  "answers" : [ {
    "answer" : "Vitamin C",
    "correctAnswer" : false
  }, {
    "answer" : "Vitamin K",
    "correctAnswer" : true
  }, {
    "answer" : "Vitamin B6",
    "correctAnswer" : false
  }, {
    "answer" : "Vitamin E",
    "correctAnswer" : false
  } ],
  "multiSelect" : false,
  "explanation" : "Research shows that people who eat foods rich in vitamin K (green leafy vegetables, blueberries, figs, meat, cheese and eggs) have stronger bones and are less likely to break a hip. The scientific jury’s still out on vitamin K supplements for bone health; most people get what they need from the foods they eat.",
  "hint" : "",
  "hintLink" : "",
  "questionImgCaption" : "",
  "questionImgCredit" : ""
}, {
  "question" : "Vitamins and medications do not always play well together.",
  "answers" : [ {
    "answer" : "True",
    "correctAnswer" : true
  }, {
    "answer" : "False",
    "correctAnswer" : false
  } ],
  "multiSelect" : false,
  "explanation" : "For example, some medications that affect your stomach acids — such as Prevacid, Pepcid and Nexium — may limit your ability to absorb B12. And high levels of vitamin D supplements can interfere with some blood pressure medications.",
  "hint" : "",
  "hintLink" : "",
  "questionImgCaption" : "",
  "questionImgCredit" : ""
}, {
  "question" : "Which of the following is NOT a good source of vitamin D?",
  "answers" : [ {
    "answer" : "Sunlight",
    "correctAnswer" : false
  }, {
    "answer" : "Milk",
    "correctAnswer" : false
  }, {
    "answer" : "Supplements",
    "correctAnswer" : false
  }, {
    "answer" : "Fruits and vegetables",
    "correctAnswer" : true
  } ],
  "multiSelect" : false,
  "explanation" : "Mushrooms provide some vitamin D, but otherwise, plant sources come up short for this essential vitamin. An estimated 40 percent of Americans have low levels of vitamin D.",
  "hint" : "",
  "hintLink" : "",
  "questionImgCaption" : "",
  "questionImgCredit" : ""
}, {
  "question" : "By age 70, your ability to produce this vitamin is half of what it was at age 20.",
  "answers" : [ {
    "answer" : "Vitamin A",
    "correctAnswer" : false
  }, {
    "answer" : "Vitamin B",
    "correctAnswer" : false
  }, {
    "answer" : "Vitamin C",
    "correctAnswer" : false
  }, {
    "answer" : "Vitamin D",
    "correctAnswer" : true
  } ],
  "multiSelect" : false,
  "explanation" : "Nearly 1 in 4 people in the U.S. have inadequate blood levels of vitamin D.",
  "hint" : "",
  "hintLink" : "",
  "questionImgCaption" : "",
  "questionImgCredit" : ""
}, {
  "question" : "Taking too much of which vitamin can be dangerous?",
  "answers" : [ {
    "answer" : "Vitamin D",
    "correctAnswer" : false
  }, {
    "answer" : "Vitamin E",
    "correctAnswer" : false
  }, {
    "answer" : "Vitamin A",
    "correctAnswer" : false
  }, {
    "answer" : "All of the above",
    "correctAnswer" : true
  } ],
  "multiSelect" : false,
  "explanation" : "Getting vitamins through your diet is safe, but you can overdo it with supplements and make yourself ill. Before you start taking any supplement, ask your doctor if you need it and, if you do, how much is safe for you to take.",
  "hint" : "",
  "hintLink" : "",
  "questionImgCaption" : "",
  "questionImgCredit" : ""
} ]

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