An example of a dangerous supplement for a particular condition is
A) fluoride supplements for children not drinking fluoridated water.
B) vitamin B₁₂ for vegans.
C) folate for pregnant women.
D) beta-carotene for smokers.

Question

Quizplus · Accepted Answer

Beta-carotene is a dangerous supplement for smokers because it can increase the risk of lung cancer. Studies have found that beta-carotene supplements may actually increase the risk of lung cancer in smokers and other high-risk groups. It is important for smokers to avoid taking beta-carotene supplements and to get their beta-carotene from food sources instead.

An Example of a Dangerous Supplement for a Particular Condition