American researchers report that a diet rich in omega-3 alpha-linolenic acid (ALA) from sources such as walnuts and flaxseed oil, may improve bone health.
The study, of 23 overweight people, randomly assigned participants to receive one of three diets.
The first diet was based on an average American diet with 0.8 percent omega-3 fat. The second diet had 3.6 percent omega-3 fat, while the third diet had 6.5 percent. The main sources of omega-3 fat were flaxseed oil and walnuts.
After the study period, researchers found that a high intake of omega-3 fatty acids resulted in a protective effect on bone metabolism as a result of a decrease in bone resorption.
Rich sources of omega-3 fatty acids include omega-3 enriched eggs and cold water fish, especially wild salmon, herring, mackerel, anchovies and sardines.
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