Strategist Explains Our expert staff answers frequently asked questions in their areas of expertise and defines common terms so you can be a smarter shopper. Read more here . Photo-Illustration: The Strategist; Source Images Getty The protein craze had its moment. Now fiber seems to be the next big health hyperfixation. Both are necessary parts of a healthy diet, but more and more I’ve been seeing folks — online and in my friend circle — turn to fiber supplements to hit their intake goals. Just