I’m having a trouble getting my meta data to update. I’ve tried several different plugins including Robots Meta, All in One SEO Pack and SEO by Yoast to give me the ability to set a couple of our website’s pages to noindex. However, none of them work which leads me to suspect that the theme is blocking it somehow. The Theme is SimplePress by Elegant Themes and the website is http://www.smarthunts.com
you may need to add the hooks needed by those plugins manually to your header.php(theme file) or it could be possible that your themes functions are overriding the meta tags that those plugins would be trying to add.
Also you could accomplish the same thing with a robots.txt file. You currently have a robots.txt file on your site that looks like this: