What Is Calcium And Vitamin D3 Good For?

If you are a health freak, you might be aware that calcium supplements have been under burning debate in recent times and there are many studies on suggesting calcium recommended for osteoporosis and other health concerns.

It is also essential for the vital functions of the heart as your heart is formed from specialized muscle cells named as cardiomyocytes that operate automatically without skipping a single beat. Like other muscles, the cardiac muscles require calcium to contract and squeeze blood out of the heart and into the arteries.

Calcium flows into the muscle cells through small channels and works as a switch that lets each heart muscle fiber to slide past each other and reduces the contract. At the end of each contraction, calcium moves out of the channels to let the muscles relax and lengthen again.

What Is Calcium?


Calcium is, quite directly a necessary element that is extremely important for living organisms to survive. This involves humans and 1.5 to 2% of a human’s overall body weight consists of the element calcium.

Described by the elemental symbol of ‘Ca’, a certain amount of calcium is needed every day in order to avoid an insufficiency and subsequent disease.

Calcium is most admirably known for its capability to optimize and boost the health levels of bones and teeth, but it is also responsible for regular communications between the brain and other parts of the body.

Essential for muscles and nerves as your nervous system incorporates your brain, spinal cord and also peripheral nerves which controls the body movement and cellular function.

The major role calcium plays with regards to the nervous system function is in the cell signalling. Calcium is essential in the contraction and enlargement of blood vessels, nerve impulse transmission, muscle contraction and hormone production.

In muscle cells, nerve endings deliver calcium ions, which bind to activator proteins. The activator proteins begin the complex process of muscle contraction and permits your muscles to move. Without calcium, your muscles cannot contract and rest.


The human body cannot make calcium, so you have to get it from foods. It is also certainly essential when it comes to protecting against bone degenerating diseases like osteoporosis, arthritis, rheumatoid, osteosarcoma etc. which leads to the breakdown of bones and subsequent fractures.

What is Vitamin D3 and What Does it Do?

Vitamin D3

Vitamin D3 is manufactured naturally in the skin when it is exposed to sunlight, hence its other name is ‘the Sunshine Vitamin’. Although classified as a vitamin, D3 alters into a hormone within the body. In this form, it flows into the bloodstream to aid the absorption of calcium and phosphorous.

Vitamin D3 is a group of fat-soluble secosteroids responsible for increasing intestinal absorption of calcium, magnesium, and phosphate, and also multiple other biological effects.

Vitamin D3 is the usual name for cholecalciferol. Vitamin D3 can be consumed as a supplement to improve overall health.

Calcium is utilized for building and also strengthening teeth and bone mass and is vital for bone development and increase. It can be stored in the body tissue until it is needed.

In addition, Calcium also has a crucial role to play in the production of hormones in the body by transmitting nerve impulses to the brain. The main hormone includes parathyroid hormone. Parathyroid hormone manages calcium levels in the blood flow, largely by improving the levels when they are too low.

It does this through its movements on the kidneys, bones and intestine: Bones – parathyroid hormone encourages the release of calcium from large calcium stores in the bones into the bloodstream.

Almost 99% of your Vitamin D supply is used for regulating the calcium in the body; the remaining part is utilised for strengthening the immune system and supporting muscle strength.

How Do Calcium And Vitamin D Work Together?

Calcium and vitamin D work together to protect your bones—calcium helps build and maintain bones, while vitamin D helps your body effectively absorb calcium. So even if you’re taking in enough calcium, it could be going waste if you’re deficient in vitamin D.

Calcium and D3 can be taken by the body in the form of supplements and it has a maximum absorption of both these nutrients.

Importance of Calcium D3 tablets during All Ages Of Life

For Infants And Kids

Importance Of Calcium D3 At Infants And Kids

Calcium-Vitamin D3 has been shown to play a crucial role in supporting overall health for people of all ages, including immunity, bone health and mood. Infants and children whose bones and teeth are developing especially need adequate levels of calcium-Vitamin D3 for long-term health.

Many people don’t realize that Calcium D3 is not only responsible for bone enhancement. It’s also a big contributor to building your muscles and helps in the functioning of nerves.

If the Calcium levels in your kid’s blood are low, their body will take stores of Calcium from the bones to compensate. Where children are concerned, being low on Calcium can leave them at high risk of developing the bone-softening disease- Rickets.

If you are worried that your child is not receiving adequate Calcium D3, adding a daily supplement could decrease the risk of any negative effects linked with calcium D3 deficiency.

Every child’s body needs calcium D3 to absorb minerals which are necessary for healthy bones and healthy teeth. Adequate calcium D3 levels are essential for immune regulation, and studies suggest that it can help keep colds and flu at bay.

Over the long term, research also suggests that Vitamin D may protect against cancer, heart disease and another chronic disease. It gives support For healthy development and muscle strength, sunny mood and sound sleep.

Below are the conditions for infants who have a calcium D3 deficiency

  • A misshaped skeleton
  • Fragile bones
  • Poor growth and development
  • Problems with teeth, including weak tooth enamel and a, postpone in teeth coming through.
  • Soft skull bones and a late in the closing of the soft spot at the top of your baby’s head (the anterior fontanelle).

Calcium-Vitamin D3 During Pregnancy And Lactation

Calcium D3 During Pregnancy Pregnancy and lactation are two main periods of high calcium D3 requirement. Calcium intake can provide the calcium necessary for fetal growth and breast-milk production.

Calcium D3 is useful for pregnancy health. It has extensive research supporting its role in immune function, healthy cell division and bone health for both mother and baby.

More than 40% of the pregnant woman in India face calcium deficiency… the child in mothers womb can be healthy only if the mother is properly taking calcium.

Proper calcium consumption can be obtained through the diet by the consumption of dairy products or leafy greens (such as kale), the consumption of fortified foods, or by supplementation with widely available calcium-containing supplement products.

Calcium D3 invests in the well-being of your baby by supporting overall health development. Deficiency is also related to a few severe issues.

Below are the conditions during pregnancy who have a calcium D3 deficiency

Some studies link Calcium vitamin D3 deficiency to a higher risk of pregnancy complications such as gestational diabetes, preterm birth, preeclampsia, and low birth weight, but more research is obliged to confirm these links. … And if that occurs while you’re pregnant, your baby can suffer a deficiency, too.

For Middle Age

Calcium D3 At Middle Age

There is too much popularity via TV commercials that everyone above the age of 30 should be taking calcium D3 to slow down the ageing process. And this calcium D3 plays a significant role in the process!

After 30years of age, everyone requires calcium D3 and especially for office going people because in office they don’t move enough and they don’t walk as according to their work they will be stuck to the chair in front of the computer, at this time without moving they will face nerve and back pain.

For such people, calcium plays a key role in decreasing the pain and gives the best results.

As it is proved for the middle-aged group, according to a research it has been shown that adequate levels of calcium D3 can help maintain a healthy weight, reduce the risk of cancer, heart problem arthritis and even ward off depression.

By the time you reach the middle age, the ageing process has already started and there is a slow absorption of calcium in the body and hence at this age, each and every individual should include calcium d3 supplement as a part of their diet to prevent any major bone related disease like, arthritis, rheumatoid, osteoarthritis etc.

Below are the conditions For the middle age who have a calcium D3 deficiency

  • Cognitive impairment
  • Severe asthma
  • Brittle bones, as evidenced by repeated bone breaks
  • Muscle pain, tension, or spasms
  • Memory loss or difficulty concentrating
  • Foggy thoughts
  • Changes in mood or personality.
  • Knee and Back pain
  • Calf Pain

For Old Age

Calcium D3 For Old Age With advancing age, the body changes and so does calcium and vitamin D3 needs especially for knee and joint health. Calcium and vitamin D3 are two of the most essential nutrients for overall bone health.

Unfortunately, as differentiated in younger people, seniors are vulnerable to calcium and vitamin D3 deficiency – mainly because of the body changes with advancing age. Given the indoor-lifestyle of most seniors, little sunshine in winter months, and the different physiological factors related to ageing, it is very usual for seniors to have inadequate vitamin D3 status.

Therefore it is recommended that seniors aged 60 years and over, take a supplement of calcium D3.

Below are the conditions for the old age who have calcium D3 deficiency

Too low amount of calcium D3 in the blood is known as hypocalcemia, and aged people are at risk of the same. Many a time-aged person takes iron supplements and few other drugs which interact and hinder the calcium d3 absorption and they suffer from deficiencies.

In these drugs which hinder calcium absorption, mainly are drugs taken for kidney diseases, liver diseases.

If one is alcoholic, light hypocalcemia may imitate the symptoms of early Alzheimer’s disease or dementia. Patients may also experience muscle pains, joint pains, knee pains, degradation of different body parts due to calcium deficiency and cramping.

Seriously sick patients who are in the intensive care unit of a hospital are also at risk for developing hypocalcemia, as people who had thyroid operation because of damage which could have happened to the parathyroid glands embedded in the thyroid. So ensure you take the right dosage of calcium-vitamin D3.

Role Of Calcium D3 In Menopause

Every woman in her life will at some point reach menopause, the cessation of the menstrual cycle.

During menopause, there is a gradual diminish in the hormone oestrogen, which results in differences in body composition. It is particularly necessary to manage your bone health as your body begins to change.

During menopause, what you eat influences how your body manages the changes experienced during and post-menopause. It is therefore essential to apprehend the role of proper nutrition that plays during this stage of the lifespan, in particular, the role of calcium in keeping healthy bones and teeth.

Below are the conditions during menopause who have calcium D3 deficiency

  • Increased risk of death from cardiovascular disease
  •  Cancer
  • depression
  • Hypertension
  • Obesity
  • irritable bowel syndrome
  • Allergies and other issues.


Below is the recommended dosage of calcium.

If you are getting your vitamin D from the sun, this is not as important, although you’d be wise to make sure you’re receiving sufficient amounts of vitamin K2 from your diet either way.

Above are the daily values of calcium which each and every individual should consume per day, it can be achieved via food or if you are unable to meet the requirements you can add supplementation for the same.

Many times the dosage of the supplements are high which is needed for high deficiency levels and meet the desired serum calcium levels. Normal range is – (2.1–2.6 mmol/L).

Now let us talk about the recommended daily allowance for Vitamin D3 which is 400 IU for Asian Indians. But as per the statistics, 90% of the Asian Indians are deficient in this fat-soluble vitamin which is nothing but vitamin D3.

Normal levels of Vitamin D3 which anyone should maintain is (30ng/ml-70ng/ml). It is a challenge to meet up the requirement of Vitamin D3 because there are very few food sources of the same and you can get this sunshine vitamin only by exposing yourself to the sun and even if you do, the absorption is quite less and hence taking supplements becomes a necessity.

So you should not get confused about the recommended daily allowance and the high amount of particular vitamin and mineral your health care professional has advised because at times it is required to meet up your serum vitamin and mineral levels.

Calcium and D3 are the most essential vitamin and mineral which everyone and anyone should include in their daily diet to avoid any kind of further problems.

I hope you now understood and got the answer to your question which was-Why Calcium and Vitamin D3 at all ages of life?

Below is the comments section for any more questions from your end. I will be more than happy to solve the same. 



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