For at least the last half-century, the public has been led to believe that the RDA nutrient levels are sufficient. However, is this sufficient to prevent clinically evident nutritional deficiencies?
What exactly is RDA?
The term "RDA" refers to the Recommended Dietary Allowance, which is used to refer to the average daily intake level that is sufficient to meet the nutritional requirements of nearly all healthy individuals in a particular life stage and gender group.
By definition, the RDA is the smallest amount of nutrients required to avoid deficiency. While it is unquestionably necessary for individuals to avoid acute deficiency diseases, it falls short of resolving the issue of optimal nutrition.
It's remarkable that RDA has been so effective at reducing acute diseases. However, additional questions arise, such as whether the RDA for vitamins and minerals is sufficient to prevent degenerative diseases.
Numerous degenerative diseases and chronic illnesses develop over the course of a person's lifetime, striking otherwise healthy individuals at inopportune times. At this point, minimal intakes may not be sufficient to address contemporary lifestyle challenges.
Do I still require supplements if I eat a healthy diet?
Please keep in mind that eating a healthy diet is a necessary component of any programme of optimal nutrition, and there is no substitute for eating well.
From the American Medical Associations' journal, which published two articles separately in 2002 and 2012, as follows:
Article 1: "Vitamins for the Prevention of Chronic Disease in Adults"
These independent researchers concluded as a result of their research: "... suboptimal vitamin intake, above recommended levels, resulting in classic vitamin deficiency, is a risk factor for chronic diseases and is prevalent in the general population, particularly the elderly.
Suboptimal folic acid levels, along with suboptimal B6 and B12 levels, are associated with an increased risk of cardiovascular disease, neural tube defects, and colon and breast cancer; low vitamin D levels are associated with osteopenia and fractures; and low antioxidant vitamin levels (vitamins A, E, and C) are associated with an increased risk of several chronic diseases."
Article 2: "Multivitamins in Men's Cancer Prevention"
"During an average of 11 years of treatment and follow-up, a daily multivitamin supplement significantly but modestly reduced the risk of total cancer. While the primary reason for taking multivitamins is to prevent nutritional deficiency, these findings lend support to the possibility of using multivitamin supplements to prevent cancer."
According to the two articles I shared from the American Medical Associations, supplementation does reduce the risk of degenerative diseases, and in my personal opinion, optimal nutrients from a healthy diet may not be sufficient to prevent degenerative diseases from occurring.
Which Supplement Is the Most Appropriate For Me?
There are thousands of supplement brands available in pharmacies and retail stores, and you're unsure which brand to choose or which needs you have.
Here is a brief sharing with you from my personal perspective: first and foremost, you must understand the type of supplement available on the market, and secondly, you must be aware of your own needs. If you're unsure what you need, you can either hire a health and wellness consultant or send me a message here and I'll be happy to assist you.
Another option is to consult a comparative guide to nutritional supplements, of which I recommend "NutriSearch." This book, written by Lyle Macwilliam, a former Canadian Member of Parliament and Legislative Assembly member for British Columbia, contains extensive market research on over 1,600 nutritional supplements sold in the United States, Canada, Mexico, and Colombia.
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