Fish oil supplements contain adequate amounts of iron.
iron
Most types of fish do contain iron. Shellfish have a very high iron level as do seaweed, kelp, and a variety of different fish.
no
All fish contain some oil. Haddock & Scod have the least oil. Herring, Mackerel and Salmon have the most oil.
No fish oil should not contain trans fats naturally. They can be added later though. Milk is more likely to contain natural trans fat. As much as 2%
Heme iron comes from animal sources, while non-heme iron comes from plant sources, so I believe that because mussels are animals, mussels therefore do contain heme iron. Fish also contains heme iron.
Fish oil is a healthy oil that you cant find in cans. Fish oil is extracted fishes. It is said to contain proteins that are essential for the body.
Non -vegan polishes can contain fish scales ( red and pink tones) or oil. So it depends on the polish.
Iron doesn't contain fibres.
Iron ore, lumber, minerals, oil, natural gasses, and fish.
Nothing will happen to iron in oil. You may be thinking of the standard rusting experiment where one of the tubes contains an iron nail in boiled water sealed with oil. The purpose of this tube is to show that iron needs oxygen to rust. The boiled water does not contain dissolved oxygen and the oil prevents more from entering from the air.