RDA levels of vitamins and minerals are not enough

RDA levels of vitamins and minerals are not enough NutriShield Multi Vitamins and Minerals


THE DEFINITIVE GUIDE TO RECOMMENDED DAILY ALLOWANCES

It is a misunderstanding that the RDAs – also called RNIs (Reference Nutrient Intakes) or RDVs (Reference Daily Values) – for vitamins and minerals are set so that if you take them, you will achieve the best health status.

Here are some enlightening facts about RDAs.

♦ RDAs were originally set as minimum guidance during food rationing! Of course, they have been updated but only rather infrequently.

♦ RDAs are set to ensure that 95% of people do not become clinically deficient, leading to illnesses like:

  • rickets (vitamin D deficiency)
  • scurvy (vitamin C deficiency)
  • pernicious anaemia (B12 deficiency)
  • beriberi (B5 deficiency)

Preventing clinical deficiency is a low threshold compared with targeting optimal health.

♦ As you get older you need more nutrition to help counteract the processes that underlie ageing, but you tend to absorb less nutrients from food.

♦ RDAs have never been set for lots of nutrients that are acknowledged as very important for general health and protecting particularly against degenerative disease.

There are no RDAs for Omega 3 (although the guidance is 2-3 portions of oily fish a week) or the micro-nutrients in fruits and vegetables such as carotenoids (lutein, lycopene, beta carotene), flavonoids (eg. curcuminoids) and polyphenols (anthocyanidins, procyanidins, catechins) and many more.

Polyphenols and flavonoids are compounds that plants have evolved to protect themselves. When we eat them, we get the same sort of protective benefits – including anti-oxidant and anti-inflammatory actions that are vital for good health.

♦ There is some evidence that soils are becoming more depleted in certain minerals – selenium and zinc being two key ones. Both are essential for immune function.

♦ Surveys consistently show that the majority of people have below even the RDAs of vitamin D, magnesium, zinc and B vitamins.

The therapeutic levels of vitamins and minerals to raise your blood levels to a protective status are much higher than the RDA for B vitamins (critical for energy release), vitamin C and vitamin D.

More is not, however, automatically better. For example, vitamin A at 100% RDA is enough, as are folic acid, zinc and copper.

The aim should be a wide balance of proven health protective nutrients at an optimum level, including plant micro-nutrients.

That’s the objective of NutriShield Premium – a daily comprehensive supplement containing 43 nutrients including all the essential vitamins and minerals at optimum levels (RDA or higher), based on research. It was designed by Dr Paul Clayton, former Chair of the Forum on Food and Health at the Royal Society of Medicine.

 


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RDA levels of vitamins and minerals are not enough NutriShield Multi Vitamins and Minerals And register now for a free regular e-newsletter on the latest in nutrition and health research.


Dr Paul Clayton designed NutriShield as a comprehensive healthRDA levels of vitamins and minerals are not enough NutriShield Multi Vitamins and Minerals supplement with OPTIMUM levels of 43 essential nutrients including standardised green tea extract, polyphenols and flavonoids from fruits, vegetables and other plants, Omega 3, betaine and soy isoflavones. See more detail elsewhere on this site or click on the button.


RDA levels of vitamins and minerals are not enough NutriShield Multi Vitamins and MineralsDr Paul Clayton’s best-selling book Health Defence is available from bookstores or from Uni-Vite Healthcare here.

A free summary report and the opportunity to read the book online is available here.


See online here for delicious recipes from the Health Defence Cookbook  incorporating healthy foods featuring in a Mediterranean Diet. RDA levels of vitamins and minerals are not enough NutriShield Multi Vitamins and Minerals


REFERENCES

Chung M, Balk EM, Ip S, et al. Systematic review to support the development of nutrient reference intake values : challenges and solutions. Am J Clin Nutr. 2010;92:273–6.

https://www.nhs.uk/live-well/eat-well/what-are-reference-intakes-on-food-labels/

https://www.nutrition.org.uk/attachments/article/234/Nutrition%20Requirements_Revised%20Oct%202016.pdf

 

 

Should you take Vit K if you supplement with Vit D?

It’s safe to take 2,000 IU of D3 with or without K

Many positive reasons to take D3

We strongly recommend taking an extra vitamin D3 supplement in the winter months – because an estimated 85% of us are well below the optimum blood levels of vitamin D.

Extra vitamin D3 (which is twice as effective as Vitamin D2) has many health benefits that include:

  • a healthier immune system
  • reduced risk of flu
  • cardiovascular health
  • joint health
  • normalised cell division
  • even a role in inhibiting cancer progression

Vitamin D influences more than 200 genes!

We therefore offer a high dose Vitamin D3 – the natural form your body makes in response to sunlight. See https://nutrishield.com/the-products/vitamin-d/

The K question – concerns calcium

But a couple of our customers have asked –

Should vitamin D be taken with Vitamin K?

And if so, why?

It is true that taking vitamin D in combination with high dose calcium supplements without taking vitamin K – or the leafy green vegetables that contain vitamin K – could theoretically cause a health issue.

Here’s how.

Vitamin D helps take calcium from your food as digested in the gut to the blood, to be utilised, not just for healthy bones and teeth, but for muscle and nerve function.

Vitamin K is involved in a process that takes calcium from the blood (via a protein called osteocalcin), to be used to mineralise (i.e. build) bones.  It is also important in the production of collagen.

Without vitamin K, calcium can be deposited, not in bones, but in soft tissue like arteries, veins and skin. And that can cause problems that include hardening of the arteries, calcification of blood vessels and kidney disease.

In other words, it is possible that very high levels of vitamin D, without vitamin K, could lead to calcium being deposited where it is not wanted.

A 2,000 IU Vitamin D3 supplement will NOT cause a calcium problem even without K

(a) If you are taking extra vitamin D on top of NutriShield Premium or Essentials

NutriShield contains an optimum (100mcg) combined level of Vitamin K1 and K2. So you will be getting D with K.

(b) If you are taking extra vitamin D, but not taking NutriShield

The daily level of Uni-Vite’s vitamin D3 supplement is 2,000 IU. This has been determined as optimum from a very full literature search and is safe even without extra K. Indeed, specialists in the field use doses as high as 10,000 IU without adverse effects on blood calcium levels.

Natural sources of vitamin K1 include parsley, kale, and spinach. Natural sources of K2 include eggs and some cheeses.

You can get a free report on the importance and safety of vitamin D here https://nutrishield.com/the-products/vitamin-d/

But the answer to the original question is – vitamin D3 at the level of 2,000 IU a day is safe. On the same page you can get enough vitamin D3 for the winter months for under 3p a day.


If you enjoyed this article, please share it with family and friends. You can follow us on Facebook or Twitter for daily headline health tweets.

Should you take Vit K if you supplement with Vit D? NutriShield Multi Vitamins and MineralsShould you take Vit K if you supplement with Vit D? NutriShield Multi Vitamins and MineralsShould you take Vit K if you supplement with Vit D? NutriShield Multi Vitamins and Minerals

Should you take Vit K if you supplement with Vit D? NutriShield Multi Vitamins and MineralsAnd register now for a free regular e-newsletter on the latest in nutrition and health research.


YShould you take Vit K if you supplement with Vit D? NutriShield Multi Vitamins and Mineralsou can buy Vitamin D3 (the preferred form of natural Vitamin D) from here. Our special offer is for 1 bottle of 120 capsules of 2,000IU D3 free when you buy 2.


Dr Paul Clayton designed NutriShield as a comprehensive healthShould you take Vit K if you supplement with Vit D? NutriShield Multi Vitamins and Minerals supplement with OPTIMUM levels of essential nutrients including Vitamin D. See more detail elsewhere on this site or click on the button.


Should you take Vit K if you supplement with Vit D? NutriShield Multi Vitamins and MineralsDr Paul Clayton’s best-selling book Health Defence is available from bookstores or from Uni-Vite Healthcare here.

A free summary report and the opportunity to read the book online is available here.


See online here for delicious recipes from the Health Defence Cookbook  incorporating healthy foods featuring in a Mediterranean Diet. Should you take Vit K if you supplement with Vit D? NutriShield Multi Vitamins and Minerals


Reference:

ncbi.nlm.nih.gov/books/NBK56060/