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Vitamin-D is sometimes referred to as the “sunshine vitamin” because it is produced by our body when skin is exposed to the sunlight. In addition to aiding in the development of strong bones, vitamin D is essential for immune system support, infection prevention, and balance maintenance.
But not every type of vitamin D is made equally. The sources, rates of absorption and the way these primary forms of vitamin D2 (ergocalciferol), and vitamin D3 support your body are different. Knowing the difference enables you to choose your diet and supplements wisely.
What Distinguishes Vitamin D2 from D3?
Before the body can use D2 or D3, the liver and kidneys must transform them into their active form.
▪ The majority of vitamin D2 comes from plants, it can be found in UV-exposed mushrooms, and fortified meals, such cereals and plant based milks.
▪ Fish, egg yolks, and lanolin (from sheep’s wool) are sources of Vitamin D3, which is an animal derived vitamin. Additionally, when exposed to the sunlight, your skin naturally creates this type.
Although both can raise Vitamin D levels, studies have shown that D3 is more successful in sustaining and increasing blood levels of Vitamin D3 over time.
✅ According to a 2011 study in the Americal Journal of Clinical Nutrition, taking supplement of Vitamin D3 doubled blood levels of D2.
Why Vitamin D Matters for Immunity?
Compared to the other vitamins, Vitamin D functions more like a hormone. Because they have vitamin D receptors and immune cells, such as T-cells, B-cells, and macrophages depending upon Vitamin D for optimal operation.
The following are some ways that vitamin D supports your immune system:
▪ Controls immunological response: It lowers the risk of chronic inflammation by preventing the immune system from becoming overactive.
▪ Enhances pathogen defence: Vitamin D causes the body to produce antimicrobial peptides, such cathelicidin, which aids in the body’s defense against bacteria and viruses.
▪ Promotes respiratory health: Research indicates that keeping vitamin D levels adequate may reduce the risk, particularly in the winter when there is less opportunity for sun exposure.
Vitamin D3: The Superior Form for Immune Support
Vitamin D is more stable and powerful than vitamin D2, according to numerous reviews and clinical research. The main conclusion is that vitamin D3 is the best natural immune system fortifier for long term health and defense.
▪ Vitamin D3 supplementation results in the higher blood 25-hydoxyvitamin D concentration that D2 supplementation, according to a 2017 meta-analysis published in the Journal of Clinical Endocrinology and metabolism.
▪ Because vitamin D3 has a longer half life in the blood, it can be taken, less frequently and has a long lasting effect.
This is significant since the immune system relies on the consistent vitamin D levels rather than abrupt spike, and declines to function at its best.
What is Your Required Amount Of Vitamin D?
Adults aged 70 and up may require 800 IU per day, however the Recommended Dietery Allowance (RDA), is approximately 600 IU. A healthcare provider may recommend greater dosage for people with darker skin, less sun exposure or specific medical condition.
▪ Tip: Because vitamin D is a fat soluble vitamin and absorbs better when taken with fat, it is best to take it with a meal that contains fat.
Is It Possible To Naturally Get Enough Vitamin D?
The best way to get vitamin D3 is still from natural sunlight. Most people only have 10 to 20 minutes of midday sun exposure, several times a week, though this depends on location, skin tone and season.
Vitamin D3 foods include:
▪ Sardines, tuna, or salmon.
▪ Yolks of eggs.
▪ Dairy items that have been fortified.
A high-quality D3 supplement is frequently the most dependable method to maintain healthy levels all year round if you are unable to obtain enough sunlight or dietary intake.
Final Thoughts
Although vitamin D2 and D3 can both assist raise your vitamin D levels, vitamin D3 is more efficient and better absorbed by the body when it comes to immune function.
