Look for Orange or Yellow Vegetables
Nutrition professionals long have recommended choosing fruits and vegetables with deep rich colors for their abundance of vitamins and other beneficial substances. More than 500 of these substances belong to a group of nutrients called carotenoids.
One such nutrient is beta-carotene, a yellow-orange carotenoid found in many orange vegetables and fruits, as well as dark green leafy vegetables. The deep orange or yellow color of the plant food means it is rich in beta-carotene.
Beta-carotene is a precursor to vitamin A and is changed in the body to vitamin A, or retinol. Vitamin A is needed for healthy eyes and skin. In addition to its role as vitamin A, beta-carotene functions as an antioxidant, helping eliminate free radicals that may promote tumor growth. Research has been done on taking beta-carotene supplements to prevent or reduce the risk of cancer and heart disease, but none have been completely conclusive.
Beta Carotene From Food Sources
On the other hand, beta-carotene from food sources may help decrease your risk of cancer. For years, studies have shown a lower incidence of cancer and other chronic diseases in people who consume high amounts of fruits and vegetables that may contribute to this beneficial effect. It is likely that many substances work together to provide protection, so it is best to get your beta-carotene from foods.
Foods high in beta-carotene include carrots, sweet potatoes, apricots, winter squash, pumpkin, cantaloupe and mangoes. Other good sources are dark green leafy vegetables such as kale, collard greens, spinach, leaf lettuce and broccoli. Beta-carotene becomes most available to the body when vegetables are cooked, chopped or pureed.
Beta-carotene is not recognized as an essential nutrient in the same way as vitamin A, so there is no recommended intake for beta-carotene. Beta-carotene requirements for healthy bodies can be met with adequate fruit and vegetable consumption. A diet rich in fruits and vegetables supplies about five to six milligrams or 8,000 to 10,000 International Units of beta-carotene daily. However, a daily general multivitamin provides essential vitamins and nutrients that may be missing if your diet is not balanced.
Beta Carotene Supplements
Beta Carotene contains vitamin A (as beta carotene) per softgel to promote vision and eye health. It also benefits the heart and other vital organs, maintains the skin and hair, supports immune function and offers valuable antioxidants.
Natural Beta-Carotene contains additional antioxidant carotenoids Alpha-Carotene, Zeaxanthin, Cryptoxanthin and Lutein as naturally occurring in D. salina sea algae. The natural balance of related carotenoids is what makes this product more bioavailable.
Beta-carotene supplements are available in capsules or chewable tablets for those with medical conditions that warrant extra amounts of this nutrient. Beta-carotene supplements are found on the Generally Recognized as Safe (GRAS) list issued by the Food and Drug Administration. However, 30 milligrams or more of beta-carotene daily from supplements may cause yellowing of the skin, especially the palms of the hand and soles of the feet. This condition usually disappears when large amounts of beta-carotene are removed from the diet. If your body has high blood levels of vitamin A, it will convert less beta-carotene to vitamin A. If you smoke or have been exposed to asbestos, it is best to avoid beta carotene supplements.
Although changes in nutrition recommendations are based on clinical science and ongoing research, the best approach is a common-sense one: Balanced diet with ideally at least five fruit and vegetable servings daily, along with a healthy lifestyle. Here are some more ideas for increasing your intake of beta-carotenoids of calories:
- Include yellow, orange and dark green vegetables daily.
- Cut up carrot sticks for snacks, bag lunches and pre-dinner munching.
- Bake winter squash halves stuffed with rice and/or ground meat.
- Toss vegetables such as kale, greens and broccoli into soups and stews.
- Make a snack mix with pretzels, nuts and dried apricots.
Possible Adverse Reactions
If you experience any of the above while taking beta carotene, stop immediately and consult with your physician.
Food for Thought
Supplement Safety: The American Association of Poison Control Centers, published in the journal "Clinical Toxicology," no deaths have ever been found from vitamin or mineral supplements.
Another study discovered there were about 100,000 deaths per year from pharmaceutical drugs and none for natural supplements. Over a 10 year period, pharmaceuticals killed 1 million people.
Putting this into perspective: That is more than all the Americans killed in World War I, World War II, Korea, Vietnam, and the Gulf War - combined.
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