Fish oil can help tremendously with fat metabolism and weight loss. However, certain factors can boost these benefits and other factors can completely cancel them.
A multitude of studies have examined the potential effects of fish oil weight loss. Unfortunately, relatively few have shown how other factors might influence the results, either positively or negatively. This is why so many studies listed on PubMed, our national medical database, show contradictory results.
One of the truly helpful studies that include the effects of other factors was published in 2007 in the American Journal of Clinical Nutrition. It showed that omega-3 fatty acids (i.e., fish oil) do, indeed, provide positive results for decreasing fat mass and increasing lean mass, whereas omega-6 fatty acids (i.e., sunflower oil) do just the opposite.
Additionally, this study looked at the effects of exercise in combination with fish oil. Moderate exercise 3 days per week, such as walking for 45 minutes at three-quarters of the age-predicted maximal heart rate, is all it take for boosting the benefits of fish oil. In contrast, such benefits are insignificant without exercise.
In sum, piercing through all the seemingly contradictory conclusions from different studies on the effects of fish oil on weight loss, we can take away four consistent health lessons:
1) The benefits of fish oil are undermined by an overabundance of vegetable oil in the diet. This result underscores the general recommendation that the average intake of omega-6 to omega-3 fatty acids, which is currently at about 20:1, should be closer to 2:1. Consume more fish oil. Consume less vegetable oil.
2) Fish oil is beneficial for losing fat and building lean mass, in combination with moderate exercise. There are almost no such benefits in the absence of exercise.
3) The positive effects from consuming fish oil are also negated by dietary sugar. Fructose and its ubiquitous occurrence in foods and beverages in the form of high fructose corn syrup can be particulary powerful in undermining the benefits of fish oil.
4) At least 1.5 grams of a good fish oil supplement should be taken daily. Taking 2-3 grams would be even better. Moreover, be sure to choose fish oil supplement for the highest amount of the two main omega-3 fatty acids in fish oil, which are EPA and DHA.
A multitude of studies have examined the potential effects of fish oil weight loss. Unfortunately, relatively few have shown how other factors might influence the results, either positively or negatively. This is why so many studies listed on PubMed, our national medical database, show contradictory results.
One of the truly helpful studies that include the effects of other factors was published in 2007 in the American Journal of Clinical Nutrition. It showed that omega-3 fatty acids (i.e., fish oil) do, indeed, provide positive results for decreasing fat mass and increasing lean mass, whereas omega-6 fatty acids (i.e., sunflower oil) do just the opposite.
Additionally, this study looked at the effects of exercise in combination with fish oil. Moderate exercise 3 days per week, such as walking for 45 minutes at three-quarters of the age-predicted maximal heart rate, is all it take for boosting the benefits of fish oil. In contrast, such benefits are insignificant without exercise.
In sum, piercing through all the seemingly contradictory conclusions from different studies on the effects of fish oil on weight loss, we can take away four consistent health lessons:
1) The benefits of fish oil are undermined by an overabundance of vegetable oil in the diet. This result underscores the general recommendation that the average intake of omega-6 to omega-3 fatty acids, which is currently at about 20:1, should be closer to 2:1. Consume more fish oil. Consume less vegetable oil.
2) Fish oil is beneficial for losing fat and building lean mass, in combination with moderate exercise. There are almost no such benefits in the absence of exercise.
3) The positive effects from consuming fish oil are also negated by dietary sugar. Fructose and its ubiquitous occurrence in foods and beverages in the form of high fructose corn syrup can be particulary powerful in undermining the benefits of fish oil.
4) At least 1.5 grams of a good fish oil supplement should be taken daily. Taking 2-3 grams would be even better. Moreover, be sure to choose fish oil supplement for the highest amount of the two main omega-3 fatty acids in fish oil, which are EPA and DHA.
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