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This product from GEN combines vitamin D3 with vitamin K2 MK-7 in a tablet. The D3 comes from lichen, not lanolin like most D3 supplements. This makes this variant completely plant-based. Each tablet provides 5,000 IU (125 µg) of vitamin D3 and 200 µg of K2, intended for use at one tablet every five days. Think of conscious consumers, vegans, or anyone who spends little time outdoors.
Most vitamin D3 on the market is obtained from lanolin, a waxy substance from sheep's wool. GEN chooses a different source: lichen, also known as lichen. Chemically, the result is the same cholecalciferol, but the origin is plant-based. For those who follow a vegan lifestyle, that is a relevant difference. Your body normally produces vitamin D3 itself in the skin under the influence of sunlight. In autumn and winter, or if you spend a lot of time indoors, that natural production decreases. Vitamin D contributes to the normal absorption/normal use of calcium and phosphorus. In addition, vitamin D contributes to the normal functioning of the immune system, to the maintenance of normal bones and teeth, and to the normal functioning of the muscles. Vitamin D also plays a role in the cell division process.
Vitamin D3 and vitamin K2 are often combined together in a supplement. Vitamin D contributes to normal calcium levels in the blood. Vitamin K contributes to the maintenance of normal bones and to normal blood clotting. MK-7 (menaquinone-7) is a form of vitamin K2. The K2 in this tablet is K2VITAL®, a standardized raw material with 99.7% all-trans MK-7. This is how the two vitamins are together in a single tablet.
With 5,000 IU of vitamin D3 per tablet, you are much higher than the usual maintenance dose of 400 to 1,000 IU per day. That is deliberately chosen. The recommended use is one tablet every five days. This way, you spread the dose over a longer period, instead of taking it daily. By the way, both vitamins are fat-soluble. Therefore, preferably take the tablet with a meal that contains some fat. A slice of bread with avocado or a handful of nuts with it is already enough. Many people wonder if 5,000 IU is not too much; by taking the dose only every five days, the average daily intake remains limited. If you want to be sure how you stand, you can have your vitamin D level measured via a blood test at the GP and adjust your intake accordingly.
The tablet has a short ingredient list. In addition to vitamin D3 and K2, it only contains microcrystalline cellulose as a filler and stearic acid, nothing else. No gelatin, no shellac, no animal additives. The entire formula is vegan and laboratory-tested. A jar contains 180 tablets. At one tablet every five days, you will last over nine months with that, which makes it practical if you do not want to reorder every time. This way, you keep your supplementation clear and completely plant-based with this vitamin D3 from lichen, combined with K2VITAL®. Good to know: because it contains vitamin K2, this product is less suitable if you use vitamin K-antagonist blood thinners. In that case, consult your doctor first.
Most vitamin D3 supplements use lanolin from sheep's wool. GEN extracts the D3 in this product from lichen. Chemically identical cholecalciferol, but completely plant-based in origin.
The K2 in this tablet is K2VITAL®, a standardized raw material with 99.7% all-trans menaquinone-7 (MK-7). You get 200 µg of vitamin K2 per tablet.
With a recommended dosage of one tablet every five days, one container will last you for over nine months. This makes it convenient if you don't want to reorder constantly.
Excipients are limited to microcrystalline cellulose and stearic acid. No gelatin, no shellac, no animal additives. The entire formula is vegan and laboratory tested.
* 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 two forms: D2 (ergocalciferol) and D3 (cholecalciferol). D3 is the form that your skin produces itself under the influence of sunlight and which your body generally converts more effectively into its active form. That is why D3 is more often used in supplements than D2.
Both vitamins play a role in calcium metabolism and bone health. Vitamin D contributes to the normal absorption and use of calcium and phosphorus. Vitamin K contributes to the maintenance of normal bones. Therefore, they are often offered together in a supplement.
Compared to the standard maintenance dose of 400 to 1,000 IU per day, 5,000 IU is indeed high. That's why the recommended use for this product is one tablet every five days, not daily. This way, you spread the dose over a longer period. If you want certainty about your vitamin D levels, you can have them measured with a blood test at your GP.
Vitamins D3 and K2 are fat-soluble, so absorption improves when taken with fat. An oil capsule already contains this fat. With a tablet, you achieve this by taking the tablet with a meal that contains fat, such as a sandwich with avocado or a handful of nuts. As long as you do that, a tablet can also work perfectly well.
K2VITAL® is a standardized MK-7 ingredient with 99.7% all-trans menaquinone-7. This all-trans form is relevant because your body retains it better and longer in the bloodstream than the cis-variant. MK-7 also has a longer half-life than vitamin K1 or the shorter K2 form MK-4, resulting in more stable serum levels.
Chemically speaking, the end result is identical: cholecalciferol. The difference lies in the source. Lanolin is extracted from sheep's wool, while lichen is a plant-based source. For your body, it makes no difference – the substance works the same. However, for those who follow a vegan lifestyle, the origin is relevant. This product uses D3 from lichen.
