- UV rays
- Exercise
- Cigarette smoke
- Environmental pollution
- Standard American Diet (SAD)
- Alcohol
Let’s do a deeper dive into the various health benefits of vitamin E.
#1 Helps reduce
oxidative stress
Antioxidants
are substances that protect cells from the damaging effects of free radicals,
in our environment or produced endogenously. Free radicals are unstable
molecules that contain an unshared electron. Free radicals damage cells and
might contribute to the development of cardiovascular disease and cancer (*).
Sources
of free radicals include those produced internally through physiologic stress
like exercise and also environmental exposures including cigarette smoke (first
and second hand), UV rays from the sun and pollution.
Vitamin
E is a free radical scavenger, essentially diffusing the dangerous capabilities
of free radicals and protecting cells in the process. Because free radicals
have the capability to damage cell membranes, proteins and nucleic acids, they
can contribute to cancer risk. Take for example free radicals from UV rays
causing skin cancer. Antioxidants including vitamin e, vitamin c and selenium
may therefore play a role in cancer prevention and other chronic illness
associated with free radical damage (*).
#2 Boosts Immune
Function
Not
only does vitamin E protect cells against damage but it also helps regulate
immune function. Vitamin E is involved in regulation of gene expression and
cell signalling. Because of its role in immune function, it is found in higher
concentrations in immune cells compare to other cells (*). In fact,
research shows it is one of the most effective nutrients that keeps the immune
system running smoothly.
Adequate
vitamin E allows for optimal immune functioning, reducing the risk of
infections. How? Vitamin E regulates T-Cell function. T-cells are a type of
white blood cells that play a key role in immunity. These cells circulate and
identify foreign substances that need to be eliminated. Vitamin E affects T cell membrane integrity,
cell division, and signalling. It also indirectly impacts the inflammatory
immune cascade.
#3 May Prevent or
Delay Heart Disease
It’s
not surprising that vitamin E may play a role in preventing or delaying heart
disease since we know it functions as an antioxidant, protecting cells and
tissues.
Observational
studies, looking at large groups of people have shown lower rates of heart
disease among populations with higher vitamin E intakes. A study of almost
100,000 nurses found a 30-40% lower incidence of heart disease among those with
the highest vitamin E intake.
There
are several proposed mechanisms for why vitamin E may lower heart disease risk.
First, some studies have shown that vitamin E inhibits the oxidation of LDL
cholesterol. Although most believe LDL cholesterol itself to be bad, it’s the
oxidized form of LDL that contributes to arterial plaque formation (*).
Vitamin
E also thins blood slightly, which may help prevent the formation of blood
clots (*). It’s important
to point out that supplementation with vitamin E is not recommended, but both
the American Heart Association and the American Cancer Society recommend food
sources of vitamin E. More on that later…
Finally,
vitamin E helps keep blood vessels flexible so they widen. This helps blood
flow freely while preventing catastrophic health problems like heart attack and
stroke caused by blood clots and blockages from arterial plaque (*).
#4 Prevents and
Treats Eye Disorders
Eye
disorders increase with age. Two of the most common are age related macular
degeneration and cataracts. Oxidation and inflammation seem to be the main
drivers of common eye disorders among older individuals. Several nutrients with
both antioxidant and anti-inflammatory properties may help prevent and treat
these common and life altering conditions including vitamin E, zinc, vitamin C
and omega 3 fatty acids (*).
Much
like heart disease, large population studies show lower incidence of cataracts
and age related macular degeneration among adults with the highest intake of
vitamin E. This points to the fact that vitamin E may help prevent or delay
cumulative damage to the eye that can lead to these common, debilitating
conditions.
Scientists
believe vitamin E’s function as an antioxidant plays a strong role in this
health benefit. Perhaps the vitamin E limits damage from free radicals and
keeps eye cells healthy and functioning optimally as we age. But food sources
may be the key element here. The evidence regarding supplemental vitamin E is
inconsistent however higher dietary intakes and blood levels among the general
population are thought to be protective of eye disorders. Therefore, consuming
foods high in vitamin E is recommended.
#5 May Delay
Cognitive Decline
Few
health conditions are more terrifying than losing one’s cognitive abilities and
yet there is so little focus on nutrients and other measures within our control
to prevent and reverse cognitive impairment. The good news is, vitamin E may
provide some protection.
Oxidative
damage and inflammation in the vessels that supply blood, oxygen and nutrients
to the brain contribute to cognitive decline and several types of dementia,
including Alzheimer’s disease. Vitamin E and other antioxidants may prevent
some of the free radical damage and inflammation, especially in the
polyunsaturated rich membranes of the neuronal cells. Much like other chronic
health conditions noted here, population studies show higher intakes may be
protective whereas interventions with supplemental vitamin E do not yield the
same results.
A
prospective cohort study of adults 65+ showed less cognitive decline over a 3
year period in those with highest intakes of vitamin E (*).
Vitamin E Food Sources
Now, you may be wondering if you already get this supernutrient from your food and if not, what are the best sources of vitamin E? No this isn’t a picture of gumdrops, these bright colored orange jellies are actually teeny tiny salmon eggs, also known as salmon roe, one of the best natural sources of vitamin E and its helpful transport mechanism – fat.
This article was originally published at www.carnivoreaurelius.com
2 Comments
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ReplyDeleteHealthcare extends beyond individual well-being to encompass societal health as well. Public health initiatives, vaccination programs, and disease surveillance are crucial for preventing the spread of communicable diseases and safeguarding populations. Global health crises, such as the COVID-19 pandemic, underscore the interconnectedness of the world and the importance of international collaboration in addressing health challenges.bia body composition analyzer
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