A

A It is considered an "essential" fatty acid because it is an absolute requirement for the proper functioning for the human body. Essential fatty acids (EFA's) are polyunsaturated fatty acids that the body cannot synthesize and therefore must obtain from the diet. There are two families of EFAs: omega-6 and omega-3.Arachidonic Acid(Originate from mortierella alpine), commonly known as arachidonic acid, is an Omega-6 polyunsaturated fatty。

A Folate deficiency caused by a lack of dietary folate is more common in people who have a generally unbalanced and unhealthy diet, people who regularly misuse alcohol, and people following a fad diet that does not involve eating good sources of folate.

A The endogenous production of CoQ10 decreases after the age of 20, and the myocardial concentration of CoQ10 is reduced to about half at the age of 80 

A The primary risk of excess B-2 is damage to the liver. However, excess riboflavin, or riboflavin toxicity, is rare. You'd have to eat almost impossibly large quantities of food to overdose on riboflavin naturally.

A Your body needs biotin to metabolize carbohydrates, fats, and amino acids, the building blocks of protein. Biotin is often recommended for strengthening hair and nails, and it's found in many cosmetic products for hair and skin. Like all B vitamins, it is a water soluble, meaning the body does not store it.

A ARA is found only in animal-derived foods because plants cannot synthesize C-20 LCPUFAs. The main food sources of ARA are meat, poultry, eggs, fish and dairy foods.

A Taking folic acid at high doses can hide a vitamin B12 deficiency. So these vitamins are often taken together.