The use of vitamin supplements and herbs (be) ___ becoming increasingly popular among Americans.
Answer-is

While many studies claim that vitamins and herbs can improve health, there (be) ___ a lot of controversy about their safety.
Answer-is

The Food and Drug Administration (FDA) (do) ___ not regulate vitamins and herbs.
Answer-does

Most experts (believe) ___ that herbal supplements are mild and somewhat harmless.
Answer-believe

Still, anyone who (take) ___ too much of a vitamin or herb could suffer negative side effects.
Answer-takes

For example, some medical problems (have) ___ been linked to overuse of ephedra, an herb taken by people to lose weight.
Answerhave

Some research (suggest) ___ that Vitamin C may help prevent cancer.
Answer-suggests

People who (take) ___ more than 1,000 miligrams of vitamin C daily may experience diarrhea or kidney stones.
Answer-take

Advertisers say that the herb "kava kava" (reduce) ___ anxiety and insomnia.
Answer-reduces

Using large amounts of kava kava (be) ___ not wise as muscle, eye or skin problems could result.
Answer-is

The danger of long-term use of vitamins and herbs (be) ___ still unknown.
Answeris

There (be) ___ a lot of evidence that vitamin-rich foods are beneficial.
Answer-is

However, whether the use of supplements (be) ___ helpful or not is still being debated.
Answer-is

Most people (be) ___ able to get all the vitamins they need in the foods they eat.
Answer-are

A daily diet that (contain) ___ foods from the 4 groups should supply all the nutrients a person needs.
Answer-contains

Eating 5 servings of fruits and vegetables daily (be) ___ said to provide all the essential vitamins we require.
Answer-is

The best way to get the necessary vitamins and minerals (be) ___ naturally, through a healthy diet.
Answer-is

Talking to your doctor before taking supplements (be) ___ advisable.
Answe-ris