Whats the difference between fish oil and flax seed oil?
Omega-3 fatty acids fall into two major categories: plant derived (flax seed oil, yielding alpha linolenic acid, or ALA) or marine derived (fish oil, yielding both EPA and DHA). The human conversion of ALA to EPA and DHA is somewhat slow and can be inhibited by various conditions such as a diet high in linoleic acid (Omega-6), trans-fatty acids such as fast foods and baked goods, alcohol intake, certain health conditions, and vitamin and mineral deficiencies (B3, B6, C, zinc, magnesium). Fish, on the other hand, is a direct source of EPA and DHA. The general consensus is that only about 15% of ALA converts to EPA, and it may not convert to DHA at all.
