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6. Sardines
telemundo.com
Plenty of fish, such as salmon, tuna, mackerel, and trout, have high levels of Omega-3. But sardines contain a high amount of Omega-3 at a cheap price. Omega 3 is known to lower triglyceride levels, raise high-density lipoprotein cholesterol levels, and studies show that omega-3 can reduce the risk of death from cardiac arrest.