1. Source of Omega-3 fatty acids: Fish oils are rich in omega-3 fatty acids, including eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA). These essential fatty acids are associated with many health benefits, including heart health, brain function, and reduced inflammation.

2. Cardiovascular support: Omega-3 fatty acids found in fish oils can help lower blood triglyceride levels, lower blood pressure, and reduce the risk of blood clots, which can contribute to overall cardiovascular health.

3. Brain health: DHA, in particular, is an important component of the brain and is associated with healthy brain functions. Therefore, fish oil supplements may contribute to cognitive development in infants and children, as well as the maintenance of brain function in adults and older adults.

4. Anti-inflammatory properties: Omega-3 fatty acids have anti-inflammatory properties that can help reduce inflammation in the body, which can benefit people with inflammatory conditions such as arthritis.

5. Eye Health Support: DHA found in fish oils is also important for eye health, especially the retina. It can help prevent age-related macular degeneration and other vision problems.

6. Improving skin health: Omega-3 fatty acids can help maintain skin health by strengthening the skin barrier and reducing inflammation, which can benefit people with skin conditions such as eczema.

7. Support for joint health: Omega-3 fatty acids can help reduce joint inflammation, which can help relieve symptoms of certain joint conditions, such as rheumatoid arthritis.

It should be noted that the beneficial effects of fish oils may vary from person to person and it is important to consult a health professional before starting any supplement. Additionally, the quality and purity of fish oil supplements can vary, so it's important to choose high-quality products from reputable sources.