Alpha linolenic acid

Alpha-linolenic acid (ALA) is an omega-3 fatty acid that is essential to human health. It is a type of polyunsaturated fat that the body cannot produce on its own, so it must be obtained from the diet. ALA is primarily found in plant-based foods, including flaxseeds, chia seeds, hemp seeds, walnuts, and certain types of oils.

Sources of Alpha-Linolenic Acid

The primary sources of ALA are plant-based foods. Flaxseeds and flaxseed oil are among the richest sources, with one tablespoon of flaxseeds providing about 2.3 grams of ALA. Other good sources include chia seeds, hemp seeds, and walnuts. Some types of oils, such as canola oil and soybean oil, also contain significant amounts of ALA.

Health Benefits

ALA has been associated with a variety of health benefits. It is a precursor to the longer-chain omega-3 fatty acids eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), which have been shown to have heart health benefits. ALA itself may also have heart health benefits, such as reducing inflammation and lowering blood pressure.

In addition to heart health, ALA may also have benefits for brain health. Some research suggests that ALA could help protect against Alzheimer's disease and other types of dementia. However, more research is needed in this area.

Recommended Intake

The recommended intake of ALA varies depending on age and sex. For adult men, the recommended intake is 1.6 grams per day, while for adult women, it is 1.1 grams per day. Pregnant and breastfeeding women may require slightly more.

Potential Risks

While ALA is generally considered safe, it can interact with certain medications, including blood thinners and cholesterol-lowering drugs. People with certain health conditions, such as prostate cancer, may also need to limit their intake of ALA. It's always best to talk to a healthcare provider before making significant changes to your diet.