Adobe Stock In our health-conscious and supplement-laden world, it’s not uncommon for people to swallow a handful of different capsules with their breakfast. Some of the most commonly taken supplements have been shown to have some real health benefits. But a new study has called one of the most popular dietary supplements, and one many folks have been taking for years to lower cholesterol and boost heart health, into question. Omega-3s, it turns out, might not be all they’re cracked up to be for cardiovascular health — at least not ones that are formulated in a certain way.