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Over the past few years CoQ10 has gained considerable attention as an agent capable of influencing cellular bioenergetics and counteracting some of the damage caused by free radicals. Animal studies provide increasing support for a beneficial effect of CoQ10 supplements in disease, particularly neurodegenerative diseases and atherosclerosis. These results are encouraging and warrant further investigation, including clinical studies that directly assess a health benefit of CoQ10 supplements in humans.

Medical treatment has been shifted to being more prophylactic as a recent trend. Postgenomic research has unveiled the fact that nutritional intervention has been strongly associated with genetic expressions, which are responsible for a variety of biological functions. Based on these findings, the prophylactic effects of dietary supplement and nutrient have been investigated. Preventing or retarding the onset of diseases has become a more attractive and cost effective strategy in the medical arena. Among other approaches to prevent diseases, antioxidants, which are found in many phytochemicals, have received much attention. However, most natural antioxidants such as alpha-tocopherol, ascorbic acid and others are biologically unstable, poorly soluble in water, and poorly distributed to target sites. Because of these shortcomings further prophylactic applications of dietary supplements have stagnated. This is partially due to a lack of basic awareness of drug delivery system for dietary supplements and nutrient

However, increasing omega-3 fatty acid intake increases the EPA content of cell membranes and decreases the arachidonic acid content, resulting in higher proportions of eicosanoids derived from EPA.

Lycopene is better absorbed by the body when it is consumed in processed tomato products, rather than fresh tomatoes. The reason for this remains unclear. In one study lycopene was absorbed 2.5 times better from tomato paste than from fresh tomatoes. However, cooking fresh tomatoes with a little oil greatly increases lycopene absorption.

Today we recognize approximately 13 vitamins or vitamin groups, as well as 7 major minerals and 10 trace elements, and our understanding of these compounds continues to evolve as we become increasingly aware of their complex nature.