Is it ok to take dietary substitutes?

dhan_indore asked: vitality pills such as cod liver oil tablets , Revital , Spirulina etc.
What would be its side effects in future.
As neccessary vitamins , antioxidants are in short supply to our body due to dietary practices and habits , these vitality pills can compensate the deficit and grant good health.
Is the propaganda [...]

Antioxidants Boost Metabolism?

David666 asked: I actually have several questions,
What is a simple way of understanding what Antioxidants are?
How much can Antioxidants boost the Metabolism?
Estimate how many more calories would you burn daily if you drank 1 bottle of green tea?
If you drink 2 bottles of green tea do you burn more calories becaue there are more Anioxidants [...]