The safest form of vitamin A is beta carotene as mentioned above, and it can be taken in much larger doses. No matter what age you may be, you can feel safe to consume high amounts of vitamin A in the form of beta carotene. If you don t consume enough vitamin A in your diet, you ll end up with a deficiency. Although each one is good in its own right, you should always pick one that dissolves easy and doesn t just pass through your system. If your vitamin passes through your body, it will end up toilet and you ll end up wasting your money. Liquid is considered to be the best, although there aren t that many supplements or vitamins available in liquid form. Research has proven that taking more than 100 mg daily for an extended period can cause damage in the immune system. Older folks on the other hand, can benefit from taking zinc if they have a deficiency. The supplement can actually help older people bring their intake back up to the levels they should be at. Synthetic supplements are well known for their absorbing, as it can take a long time before you see any type of results. Non synthetic on the other hand, gives you almost immediate results, as they are easily absorbed by the body and don t have any type of side effects. Keep in mind that even though you may be taking vitamins that contain antioxidants, you ll still need to remain on a healthy diet. When consuming vegetables, you should always go for those that are rich in color, as they are high in what is known as phytonutrients. Phytonutrients are nutrients found in the skins of several fruits and vegetables, which give the food color as well as flavor and scent. Phytonutrients are quite simply the best types of antioxidant foods that you can find anywhere. Even though it is a very useful vitamin and supplement, it is harvested year round just like the hawthorne berry. The harvests, which are obtained roughly five months or so after being planted, are used in the creation of products such as candied ginger and ginger syrup. Harvests that are obtained later can be sold as fresh ginger.