1.0Public Citizenhttps://www.citizen.orgDiane Krauthamerhttps://www.citizen.org/author/dkrauthamer/rich600338<blockquote class="wp-embedded-content" data-secret="3gZ4eK6T1g"><a href="https://www.citizen.org/article/feds-finally-crack-down-on-illegal-dietary-supplement-makers/">Feds Finally Crack Down on Illegal Dietary Supplement Makers</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.citizen.org/article/feds-finally-crack-down-on-illegal-dietary-supplement-makers/embed/#?secret=3gZ4eK6T1g" width="600" height="338" title="“Feds Finally Crack Down on Illegal Dietary Supplement Makers” — Public Citizen" data-secret="3gZ4eK6T1g" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); /* ]]> */ </script> Health Letter, January 2016Michael Carome, M.D. Image: Billion Photos/Shutterstock.com Hardly a month goes by without the Food and Drug Administration (FDA) issuing multiple public warnings about dietary supplements that have been spiked illegally with hidden drug ingredients or contaminated with other potentially dangerous substances. Among the most common examples of such tainted products, which often are sold online, are:https://www.citizen.org/wp-content/uploads/cuffed.jpg