Which one of the following minerals maintains healthy fluid balance? 1. sodium and potassium 2. magnesium and zinc 3. selenium and iron 4. calcium and iron

Explain which dri value would you use to make sure that the vitamin supplement that you use does not contain too much vitamin a

Which of the following represents the results of a review of well-controlled studies of vitamin c supplementation on the resistance to, and recovery from, colds? there was a reduction in the duration of colds by 50% on the average. there was a slight effect on reducing the duration and severity of colds for people taking vitamin c supplements. there was a significant reduction in the duration of colds in people who consumed at least one gram a day. there was a significant reduction in the number of colds only in people who consumed > three grams per day.

What should you not do when doing abdominal workouts? a. keep your chin off your chest b. keep your head aligned with the spine c. put pressure on your neck d. all of the above