10
Apr
In some cases the ratio is even worse. Cod liver oil is incredibly nutritious with a single teaspoon providing 90 of your daily requirements for vitamin a and 113 of your daily requirements for vitamin d.
Physicians and scientists aren t in agreement on what a safe upper level of vitamin a is for the average adult.
How much vitamin a in cod liver oil. Mercola says that even some highly reputable companies are producing a cod liver oil that has excessive amounts of vitamin a while only containing minute amounts of vitamin d. Nearly all brands contain just 400 to 1 200 iu of vitamin d per tablespoon yet have anywhere from 4 000 to 30 000 iu of vitamin a. In some cases the ratio is even worse.
When choosing a cod liver oil supplement look for how much epa and dha one dose provides. It should typically be 450 mg per capsule. Look for lower vitamin a content.
Cod liver oil contains very large amounts of vitamin a. Cod oil is extracted from cod liver which contains between 85 500 iu vitamin d g of oil bailey 1952. Stancher and zonta 1983 have reported that cod liver oil contains 150 iu vitamin d3 g of oil.
Vitamin d2 is produced by plants. Marine fish tissue may contain both vitamins d2 and d3. So with this in mind if the cod liver oil you re looking at has around 4000 iu of vitamin a per dose you d be looking for at least 400 iu of vitamin d.
Cod liver oil with very high vitamin a without the vitamin d to work with it is probably worth avoiding. Carlson cod liver oil contains approximately 800 iu of vitamin a per teaspoon. Physicians and scientists aren t in agreement on what a safe upper level of vitamin a is for the average adult.
Some feel that up to 10 000 iu per day is safe. High in vitamins a and d cod liver oil is particularly high in fat soluble vitamins a and d both powerful antioxidants. A single tablespoon provides 272 per cent of your daily vitamin a.
Women who are pregnant or breast feeding should not take cod liver oil that provides more than about 3000 mcg of vitamin a and 100 mcg of vitamin d. Cod liver oil is likely safe for most. Cod liver oil is also high in carotenoids which people need to produce vitamin a.
4 coronary artery disease daily intake of cod liver oil may help prevent coronary atherosclerosis. Cod liver oil is incredibly nutritious with a single teaspoon providing 90 of your daily requirements for vitamin a and 113 of your daily requirements for vitamin d. Vitamin a has many roles in.
Cod liver oil benefits your health as it has essential unsaturated fats vitamin a and vitamin d. However it s also possible to consume too much of this oil.