Many people consume fish or fish oil supplements to promote hair growth and prevent hair loss, suggesting that the omega-3 found in fish oil. For high levels of fats called triglycerides in the blood (hypertriglyceridemia): Doses of 1-15 grams of fish oil daily for up to 6 months have been used in research. Roncuvita containing vital omega-3 fatty acids that help to promote and maintain a healthy brain and heart. It is a good source of heart-healthy fatty acids - EPA and DHA.