What is Vitamin D – Best Supplement Brand in Ireland

what is the sunshine vitamin

Vitamins and nutrients are essential to the body. They help maintain a healthy immune system, promote good eyesight, and provide energy for daily activities. Vitamin D is a fat-soluble vitamin that helps the body absorb calcium and phosphate. This process helps promote bone growth and skeletal health, as well as muscle function.

Additionally, Vitamin D promotes healthy immune system functioning and assists in cell division. It’s the sunshine vitamin. Let’s explore more about vitamin D, commonly abbreviated as Vit D.

Are Vit D and Vitamin D3 the same?

Although the vitamin is typically referred to as Vit D, there are several forms of the vitamin. The main form in supplements and food sources is called vitamin D3 or cholecalciferol. Vitamin D2, or ergocalciferol, found in some supplements and food sources, comes from plants which means it isn’t a direct nutrient source. Vitamin D2 comes from organisms such as yeast, fungi, and plants.

What is Vit D Good for?

Here are some of the health conditions which Vitamin D can help:

It helps protect against osteoporosis

Osteoporosis is a disease that causes bones to become fragile. People with osteoporosis are more likely to have hip fractures, vertebral fractures, and wrist fractures which can be very severe injuries that can cause pain and discomfort for many years after they occur. Vit D deficiency has been linked to an increased risk of developing osteoporosis.

It helps with keeping strong bones and teeth

Vit D is needed for the body to absorb calcium, which makes up bone tissue. Without the vitamin, calcium isn’t absorbed into the body, resulting in weaker bone tissues.

It reduces the risk of autoimmune diseases such as multiple sclerosis and diabetes type 1

Multiple sclerosis (MS) is a disease that causes damage to nerve cells in the brain and spinal cord, which leads to symptoms such as blindness, muscle weakness, trouble walking, and more. On the other hand, diabetes type 1 is a disease where the body does not produce insulin which causes high blood sugar levels.

Both of these diseases have been linked to Vit D deficiency. It can help prevent both disorders by helping reduce inflammation in the body while also regulating genes that contribute to either condition. Other autoimmune diseases that have been linked to Vit D deficiency include rheumatoid arthritis, Crohn’s disease, and psoriasis.

It helps regulate sleep patterns

Sunlight exposure is the only factor that alters your heart’s circadian rhythms. These rhythms help control the production of melatonin in the body. Melatonin is a hormone that enables you to fall asleep and stay asleep at night.

It enhances your Skin’s Protection from the Sun’s UV Radiation

When sunlight hits your skin, a reaction occurs and prompts the body to produce Vit D. This mechanism makes it so that your body can use sunlight to help it produce Vit D, which is produced naturally in the body.

skin to absorb the sunshine and produce essential vitamins

The best time to get some sunshine on your skin should be the morning and mid-morning sun.

Are they Safe?

Vit D supplements are safe when taken under the supervision of a doctor. They should never be consumed in levels higher than 600 IU/day for children 1 to 3-year olds, 1000 IU/day for 4 to 8-year-olds, and 1500 IU/day for 9 to 70-year-olds.

Children suffering from chronic conditions such as inflammatory bowel disease, kidney disorders, and liver disorders should not take high doses of Vit D without a doctor’s supervision.

Are Vit D Supplements Effective?

Vit D health supplements can be effective in treating patients with Vit D deficiency. You only have to take the right amounts as advised by the doctor.

If you are not deficient, Vit D supplementation is still safe and will not lead to any dangerous symptoms or side effects.

Which Brand is Best?

While many Vit D supplements are in the market, the OstroVit Vitamin D3 stands out as the best. The product is available in a pack of 200 tablets which gives you 8000 IU. Besides being easily ingestible, the vitamin is quickly assimilable and takes course within a few weeks or months.

the sun light vitamin D3 TIGER VIT


It only depends on your absorption rate and underlying conditions. It is your answer to the vitamin’s deficiency.

What Causes Low Vit D?

Some of the causes of low levels of vitamin D include:

Malabsorption Problems

Malabsorption refers to when the body is not able to absorb nutrients. This can be caused by celiac disease, cystic fibrosis, and pancreatic disorders, making it difficult for the body to absorb nutrients such as Vit D.

Dark Skin

Melanin is a pigment in the skin that gives it colour and protects it from UV radiation when in the sun. People who have dark skin need more sunlight to produce Vit D in their bodies. People with lighter skin are less affected by this.

Sunscreen Use

Sunscreen use effectively prevents sunburn. However, it can prevent your body from absorbing much-needed UV rays essential for producing Vit D in the body when in the sun.


Older adults are more likely to be deficient in Vit D because of their body’s inability to produce this nutrient even when exposed to sunlight. Vit D production decreases with age, so older people need high doses of vitamin’s D supplements to help them meet their daily requirements.


Obesity and overweight people have a difficult time absorbing nutrients and minerals. This makes it much more likely for them to be deficient in Vit D because it is fat-soluble and stored in fat cells. As discussed before, lower levels of this nutrient can cause bone problems such as rickets and osteoporosis.


Some medications have been shown to interfere with the natural production of Vit D in the body. These include those for high blood pressure as well as tuberculosis treatments. Other medications can cause malabsorption, leading to deficiency of Vit D. It is advised that you check with a doctor or pharmacist before taking any new medicines with Vit D supplements.

What is Vit D Deficiency?

Vit D deficiency is when your body does not have enough of this nutrient to maintain optimum health. You can suffer from symptoms such as fatigue, weight loss, and bone pain, making it challenging to do your daily activities. If left untreated, some cases lead to death.

Where Can You Buy these Supplements?

Vit D supplements are over the counter (OTC) medications. You can buy them in pharmacies, supermarkets, and health stores all around the world. The supplement can come in pill form or chewable tablets for children who cannot swallow pills yet. They are affordable and widely available to meet your Vit D needs.

How to Take the Vitamin

There are various ways that you can take vitamin supplements. The OstroVit Vitamin is in tablet form and easily ingestible. The tablet has a very beautiful taste and dissolves fast. It is also okay to combine vitamin C and D in your diet as they both work synergistically with each other.

use a soft gel like capsule for daily use

However, before you begin taking it, you must talk to the doctor and follow the recommended daily dose. They will help you align your food supplements towards the right path.

How Long Does it take to work?

Vit D supplements need time to be absorbed into the body. Once consumed, the results can be seen in several weeks or even months. However, keep in mind that if your doctor prescribes Vit D for you with a different condition than what is listed above; it may take longer to show the supplement’s effects.

How Much Should You Take?

When taking OstroVit Vit D, it is suggested that you take one serving or ¼ tablet every day. Before you start using it, you need to consult your doctor and know what is most suitable. It all depends on the underlying conditions.

Depending on your underlying conditions, you may still have to take Vit D in the summer. Always consult with your doctor before anything.

What Foods Have Vit D?

Besides taking the supplements, you can also get Vit D from foods. There are a lot of food sources that have Vit D. Some of the common foods that contain this nutrient are:

• cod liver oil
• milk & margarine
• fortified breakfast cereals
• beef liver
• egg yolks

Who Should Take It?

The OstroVit Vit D supplements can be taken by people who suffer from a deficiency of this nutrient in their system. The supplement is available without prescriptions and over the counter. It has been clinically tested to help improve the health of its users, which makes it a safe choice.

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Frequently Asked Questions
What is IU in Vit D?

IU stands for international units of measurement. They are a way to measure the potency of certain medicines. In this case, vitamin D3 typically has an IU amount ranging from 400-1000 per tablet/pill.

How long does it take to recover from Vit D deficiency?

It can take anywhere from several weeks to several months for your body to become fully replenished with Vit D. You must follow your doctor's advice when taking supplements.

How much Vit D should I take for depression?

The recommended daily allowance for Vit D is between 400-1000 IU per day. However, it is best to consult your doctor before taking any supplements to address depression or other mental health conditions.

How much Vit D should a woman take?

Women require a different daily dosage than men. The recommended dose for women aged 19 to 50 is 600 IU of Vit D per day. Women in their 50s should take around 800 IU daily.

What are the symptoms of low Vit D?

Symptoms of Vit D deficiency include:

• bone pain and tenderness
• fatigue and decreased activity
• weight loss
• headaches
• depression
• irritability, aggression, or anxiety

However, some people may not develop symptoms at all until later on in life. If you suspect that you have a Vit D deficiency, consult with your physician.

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