AV Clip 11: The Truth of Vitamins AV 3+5+6+7+8+9+10+11 The Truth about Vitamins Supplements.mp4 Watch the video clip three times and complete the following passage by filling in each blank with the word group from the video clip. Professor Melhus then went further. He did a series of (1) ________ to work out what level of vitamin A was linked to weaker bones. His results suggested that (2) ________ of even relatively small quantities of vitamin A were having a dramatic effect. What we saw was that (3) ________ above 1.5 milligrams per day, which is approximately twice the recommended daily intake, there was a reduction in (4) ________ about ten per cent, and the risk of hip fracture had doubled. If Professor Melhus was right then the implications were staggering. An intake of 1.5 milligrams per day is a level that can be reached from food alone. And it will be exceeded by taking just (5) ________ of some high strength vitamin A supplements. So, tablets that people take every day to improve their health might actually be slowly, silently, (6) ________. For Professor Melhus, the implication is clear. “Based on our research I think people should continue to eat a healthy, (7) ________. But since supplements containing high levels of vitamin A may have (8) ________, I cannot recommend people to take them routinely.”