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Two fat-soluble vitamins in one tablet: D3 at a dose of 2000 IU (50 mcg) and K2 in the form of menaquinone-7 (100 mcg). Stark Pharm positions this supplement for supporting bones, the cardiovascular system, and calcium absorption.
Composition and dosage: what is in one tablet
- Vitamin D3 (cholecalciferol) - 50 mcg (2000 IU)
- Vitamin K2 (menaquinone-7, MK-7) - 100 mcg
Release form - tablets. There are 120 pieces in a package, which corresponds to 120 days of taking at a standard dosage of 1 tablet per day.
Vitamin D3: cholecalciferol and its role in calcium absorption
Cholecalciferol is a form of vitamin D that the body synthesizes under the influence of ultraviolet light. This form is often called the “sunshine vitamin.” It is involved in the absorption of calcium in the intestines: without sufficient levels of D3, calcium from food is absorbed worse, even if there is enough of it in the diet.
Additionally, D3 supports bone mineralization and muscle function. Deficiency of this vitamin in Ukraine is a common situation in the autumn-winter period due to limited insolation.
Why do you need vitamin D3 along with K2?
D3 increases calcium absorption - but by itself does not determine where that calcium goes. This is where K2 in the form of MK-7 comes in: it activates proteins that direct calcium into bone tissue and teeth, rather than into blood vessel walls.
Menaquinone-7 (MK-7) is a form of K2 with a long duration of action and relatively high bioavailability. This is the form of choice in most D3+K2 combination supplements. The result of the tandem: calcium is absorbed thanks to D3 and distributed correctly thanks to K2.
How many IU of vitamin D3 are in this supplement?
One tablet of Stark Pharm Vitamin D3 & K2 contains 2000 IU (50 mcg) of cholecalciferol. This is an average preventive dosage - vitamin D3 2000 IU is often recommended as a basic daily level for adults during seasons with low solar activity. A package of 120 tablets is designed for 4 months of use.
If your doctor has recommended higher doses - D3 4000 or D3 5000 IU - this supplement is not suitable for this regimen without adjusting the number of tablets. Before changing the dosage, you should consult a specialist.
How to take
The manufacturer recommends taking 1 tablet per day, preferably after a meal. D3 and K2 are fat-soluble vitamins, so taking them with a meal containing fat may help improve absorption.
Who is this format suitable for?
The tablets are convenient for those looking for a combined D3+K2 in one serving without unnecessary components. The format is suitable for daily long-term use - 120 tablets per package means infrequent reorders.
The supplement is not suitable for children without consulting a doctor, as well as for people taking anticoagulants: vitamin K2 may affect blood clotting. This is not medical advice - for individual recommendations, consult a doctor.
Storage conditions
Store in a dry place, away from direct sunlight, at room temperature. Keep out of reach of children.