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From October to March, the sun in the Netherlands is too low to produce enough vitamin D in your skin. This Vitamin D3 (cholecalciferol) from LUTO Supplements provides 3000 IU per softgel, dissolved in virgin olive oil. One bottle contains 100 pieces, enough for over three months.
Vitamin D3, or cholecalciferol, is the same form that your skin produces under the influence of sunlight. It is a fat-soluble substance. That is why the vitamin D3 (cholecalciferol) in this softgel is already dissolved in virgin olive oil. The softgels themselves are small and tasteless, making daily intake simple.
Vitamin D contributes to the normal absorption and normal use of calcium and phosphorus. It contributes to the maintenance of normal bones and normal teeth. Vitamin D contributes to the normal function of the muscles and contributes to the normal function of the immune system. Furthermore, it plays a role in the cell division process. Vitamin D also contributes to normal calcium levels in the blood.
The dosage of 3000 IU (75 mcg) per softgel is well above what you find in basic products. Those usually contain around 400 to 800 IU. With 1500% of the reference intake, this is a high dosage; take into account your total vitamin D intake from all sources. One softgel per day with a meal is sufficient.
In addition to vitamin D3 (cholecalciferol), this softgel contains virgin olive oil, gelatin, glycerin, and purified water. No long list of excipients, no added colorings, no unnecessary fillers. Yet that simplicity is a conscious choice. The olive oil serves as a carrier for the fat-soluble vitamin. The gelatin forms the shell. You don't need anything more for a product that wants to do one thing: supplement your daily vitamin D3.
With 100 softgels in the bottle, you have a supply for over three months. A clear product with a clear formula. Cholecalciferol in olive oil, with 75 mcg per softgel. Especially handy when the sun doesn't show itself for months again.
Want to know more about vitamin D3 in general? Read our guide about what vitamin D3 is.
Vitamin D3 is fat-soluble. In this softgel, cholecalciferol is already dissolved in virgin olive oil, which allows your body to absorb it more easily through micelle formation in the intestine than from a dry tablet.
The dosage of 75 mcg (3000 IU) is well above basic products of 400-800 IU, but remains below the common upper limit of 4000 IU per day. A targeted dosage for adults who want to supplement seriously.
With one softgel per day, this jar provides enough for over three months. Convenient if you start in October and want to continue taking them until spring without reordering in between.
In addition to vitamin D3, this softgel only contains olive oil, gelatin, glycerin and purified water. No colorants, no fillers, no long list of additives. The olive oil simultaneously serves as a carrier and an absorption enhancer.
* Percentage van de referentie inname volgens Verordening (EU) Nr. 1169/2011.
** Reference intake unknown.
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Vitamin D is the umbrella term for a group of fat-soluble vitamins. Vitamin D3, or cholecalciferol, is the specific form that your skin produces when exposed to sunlight. There is also vitamin D2 (ergocalciferol), which comes from plant sources. In studies, D3 generally increases blood vitamin D levels more effectively than D2, making it the most commonly used form in supplements.
With a meal that contains fat. Vitamin D3 is fat-soluble, so your body absorbs it better when fat is present. In this softgel, the D3 is already dissolved in olive oil, which already aids absorption. But having a meal with it makes it even better. The time of day doesn't matter: morning, noon, or evening, as long as you take it with food.
From October to March, the sun in the Netherlands is too low for enough UVB radiation to reach your skin. Without that radiation, your body does not produce vitamin D3. If you also work indoors a lot during the day, it becomes even more difficult to get enough vitamin D from sunlight alone.
One softgel provides 75 mcg (3000 IU), which is 1500% of the reference intake. The EFSA sets a safe upper limit of 100 mcg (4000 IU) per day for adults from all sources combined. Therefore, take your total vitamin D intake into account and do not take more than one softgel per day. If in doubt, consult your doctor.
After ingestion, your liver converts cholecalciferol into 25-hydroxyvitamin D. This is an intermediate form that circulates in your blood and is also measured in a blood test. Your kidneys then convert this into calcitriol, the active form. Calcitriol binds to vitamin D receptors in various tissues and thereby regulates, among other things, calcium absorption in your intestines, bone formation, and immune cell function.
In a tablet, vitamin D3 is usually pressed into a dry powder with excipients. A softgel contains D3 dissolved in oil, in this case virgin olive oil. Because vitamin D3 is fat-soluble, this oil solution has a practical advantage: your body does not first have to break down a dry mass. The oil, together with the fat from your meal, forms micelles in your intestines, making the vitamin D3 more easily absorbed.
