Farmed salmon may have lower omega-3 levels, new study suggests

New research suggests that increased consumption has led to lower levels of heart-healthy omega-3 fatty acids in farmed salmon.

Dietary advice promoting the consumption of fatty fish has significantly boosted global demand for salmon, with nearly 70 percent of the world's salmon now farmed. U.S. Dietary Guidelines for Americans recommend at least 8 ounces of fish per week, emphasizing species rich in "heart-healthy" omega-3 fatty acids.

However, a recent study spearheaded by USDA scientists has found a considerable drop in these fatty acid levels in farmed salmon. This development potentially renders current recommendations, including those from the American Heart Association, outdated and insufficient.

The findings raise questions about whether a larger portion of the global fish supply meets the original health claims. The research could influence future nutritional guidelines and consumer choices regarding fish consumption.