On the road to health and longevity, middle-aged and elderly people pay special attention to how to maintain heart health and prevent the occurrence of cardiovascular diseases. In recent years, fish oil and lecithin have been gaining popularity as health supplements and are widely regarded as guardians of cardiovascular health. This perception stems from an understanding of the nutrients contained in these substances and an interpretation of earlier studies that were thought to reduce the risk of cardiac events, such as heart attack.
However, as scientific research progresses, the understanding of the effects of fish oil and lecithin on cardiovascular health becomes more complex. The promotion of these two supplements in the market often ignores the complexity and conditionality of the latest scientific findings, leading to an oversimplified or even misunderstood public perception of their effects.
The Truth About Fish Oil: Not the Patron Saint of All Hearts
Fish oil, long known as the holy product of cardiovascular health, has been the focus of heart health research for decades with its main ingredient, Omega-3 fatty acids. Omega-3 fatty acids, particularly EPA and DHA, have been extensively studied for their remarkable potential to lower triglyceride levels, reduce inflammation, and stabilize heart rhythms. However, in recent years, as more clinical trials have been conducted, it has begun to be recognized that the effectiveness of fish oil in preventing myocardial infarction is not uniformly positive.
A long-term study of thousands of adults found that while regular fish oil supplementation reduced the risk of heart disease to some extent, it was less effective in actually preventing heart attack than expected. This study highlights that the effects of fish oil supplementation may be influenced by individual differences, lifestyle, and dietary habits, and cannot be used as a preventive measure alone.
Lecithin: A label that goes beyond health supplements
Lecithin, as an important component of cell membranes, is essential for maintaining cell structure and function. It plays a role in promoting lipid metabolism and maintaining blood lipid balance, potentially having a positive impact on the prevention of cardiovascular disease. However, similar to fish oil, the usefulness of lecithin as a health supplement in preventing heart attack is also over-advertised.
In fact, the best sources of lecithin are foods, such as egg yolks, soy, and liver, rather than supplements. The quality of lecithin in supplements varies, and food intake not only ensures the quality of lecithin, but also avoids the possible side effects of excessive intake. Therefore, for people looking to prevent heart attack with lecithin supplements, the focus should be on a balanced diet.
The importance of a balanced diet and lifestyle
Although fish oil and lecithin are beneficial for heart health in some cases, they are not a substitute for a healthy lifestyle and a balanced diet. The key to cardiovascular health is comprehensive management, which includes moderate physical activity, weight control, limiting saturated and trans fats, and increasing the intake of foods rich in omega-3 fatty acids and other healthy fats.
Personalized health management: the selection of health care products under professional guidance
Before considering fish oil or lecithin supplements, it is most important to discuss with a medical professional to assess whether these supplements are appropriate for an individual's health condition. Each person's physical condition and health needs are unique, so the choice and use of supplements should reflect the specific needs of the individual.