The daily use of Multivitamins and Supplements
The majority of adults in the United States take one or more dietary supplements either every day or occasionally. Today's dietary supplements include vitamins, minerals, herbals and botanicals, amino acids, enzymes, and many other products. Dietary supplements come in a variety of forms: traditional tablets, capsules, and powders, as well as drinks and energy bars. Popular supplements include vitamins D and E; minerals like calcium and iron; herbs such as echinacea and garlic; and specialty products like glucosamine, probiotics, and fish-oils.
I've never found that multi-vitamins did anything for me that I noticed. On the other hand, a family member, is using a quality multivitamin, two tablets a day, and claims a significant benefit.
The best antioxidants and the ones you don't need. Nutritional ketosis is low inflammatory, with it's own genetic mechanism for reducing inflammation. After that the best antioxidants are fruit and vegetables, especially fresh berries.
Since living the Banting Lifestyle, I've been deliberately eating more salt. I'm also drinking the vegetable water and making a drink from the fry-pan after cooking meats. I've also made an effort to eat more seafood and meat offal.
If you don’t get outside every day, you may not be getting enough vitamin D. Vitamin D is absorbed from sunlight on the skin. It is also found in eggs, margarine, fish and seafood. In special cases, frail older people may need a Vitamin D supplement, but for most people, it is better to have short regular exposure to the sun.
U.S. National Institutes of Health - WARNING
These products (Supplements) ... in some circumstances are dangerous, according to the U.S. National Institutes of Health. For those who fail to consume a balanced diet, the agency says that certain supplements "may have value." As with the recommended low-fat high-carbohydrate diet, official pronouncements have not been very helpful.