In a
study, it was found that one-third of the US population deriving 45% of their
energy from energy-dense and nutrient-poor foods such as pizza, high-fat,
high-sugar processed foods and alcohol. A diet may be calorically adequate
or even excessive and still lack important micronutrients. But we need to consume
micronutrients to meet our daily needs.
Micronutrients,
known as vitamins and minerals, are crucial components of healthy growth and
development, disease and aging prevention.
Essential
Micronutrients
Iron
An
essential mineral, iron carries oxygen to our red blood cells and has a
function in removing carbon dioxide. Signs of iron deficiency include fatigue,
pale skin, brittle nails, dizziness or fast heartbeat. To help increase iron
absorption, combine vitamin C with the iron-rich foods and herbs.
Some
examples of foods that are good sources of iron are red meat, shellfish, beans,
dark leafy greens, raisins, apricots, peas, and iron-fortified foods. Herbs
with generally high mineral and iron content include nettle, alfalfa, yellow
dock, oatstraw or oat tops, dandelion, and dang qui.
Vitamin
D
Fat-soluble
vitamin D is an important building block in helping to maintain healthy bones,
enhance immune function, and regulate muscle contraction and nerve
communication between the body and brain. The signs of vitamin D deficiency can
be subtle to separate from other conditions, for example, fatigue, bone pain,
or muscle spasms. Exposure to the ultraviolet rays from sunlight, a source of
vitamin D, for 10-15 minutes a few times a week is sufficient to maintain
healthy levels, but aging diminishes our ability to absorb ultraviolet rays.
Consuming
healthy fats at each meal can assist absorption of vitamin D. Foods rich in vitamin D include milk, cereals, margarine and orange juice. Also, oily or fatty fish, as well as fish oil, are some of the best
food sources of vitamin D while portobello, morel, button, white, and shiitake
mushrooms all contain ergosterol, a vitamin D precursor.
When
vitamin D is combined with calcium, it helps its absorption to maintain normal
bone mineralization.
Calcium
Calcium is required for building and maintaining strong
bones. It is also essential for nerve
messaging, muscle movement, release of hormones and enzymes, and supporting
blood clotting.
Signs
pointing to potential calcium deficiency include muscle aches, cramps, tingling
in the hands and feet, fatigue, and insomnia. Focusing on calcium-rich food
such as dairy products, sardines, salmon, dark greens including broccoli,
soybeans, molasses, figs, and many nuts and seeds including sunflower seeds,
sesame seeds, almonds and brazil nuts help boost your daily calcium intake. Herbs that are high in calcium include
nettle, chickweed, red clover, raspberry leaf and oatstraw.
Vitamin
C
As a vital water-soluble micronutrient, vitamin C is essential for the growth and
repair of connective tissues, bolstering the immune system, reducing damage to and
hardening of blood vessels.
Vitamin
C is a powerful antioxidant, with compounds that protect our bodies against
free radical damage from aging and disease. Vitamin C plays a part in
protecting our body against various chronic illnesses, including heart disease,
macular degeneration, cancer and osteoarthritis.
Several
lifestyle choices can influence our vitamin C levels, including smoking,
prolonged illness, regular use of alcohol, or limited intake of fresh fruits
and vegetables. Although vitamin C deficiency is rare, signs of deficiency
include bleeding gums, slow-healing wounds and easy bruising. And it is
essential to review medications that can interact with vitamin C, for example,
aspirin, oral estrogens and acetaminophen.
Many
quality foods contain vitamin C, including green leafy vegetables, citrus
fruits, tomatoes, red and green peppers, broccoli, and strawberries. Herbs,
too, have high vitamin C levels, with standouts including amla, pine needles,
rose hips, elderberries, hawthorn berries and cayenne.