Vitamin D3 + K2 + Calcium + Magnesium Tablets – 4-in-1 Bone Health Formula
Strong, healthy bones matter at every age, since bones form the structural framework of the body. Over a lifetime, adult men can lose up to a third of their bone mass, while women can lose up to half of theirs due to hormonal changes during and after menopause — making daily bone health support increasingly important as we age.
Vitamin D3, vitamin K2, calcium and magnesium each play a distinct, complementary role in maintaining normal bone health, which is why this Doppelherz formula combines all four nutrients in a single daily tablet:
- Vitamin D3 is often called the “sunshine vitamin” since the body produces it naturally through sunlight exposure on skin. It supports the normal absorption and use of calcium,and contributes to normal immune system function — particularly useful during darker autumn and winter months,or for anyone with limited sun exposure.
- Vitamin K2 (menaquinone) is well absorbed by the body and,alongside vitamin D,supports the normal mineralization of the skeleton and the maintenance of normal bones. Vitamin K also contributes to normal blood clotting.
- Calcium is essential from birth onward as the body’s core raw material for building bone mass,and is needed to maintain normal bones. Bone density naturally begins to decline from midlife onward through normal aging.
- Magnesium supports normal muscle function and the normal function of the nervous system. The body cannot produce magnesium itself,so it must come from diet or supplementation.
Directions: Take 1 tablet daily with a meal and sufficient liquid. The tablet can be split if needed.
Composition (per tablet / %NRV):
| Nutrient | Per tablet | %NRV* |
|---|---|---|
| Vitamin D3 | 50 mcg (2000 IU) | 1000% |
| Vitamin K2 | 50 mcg | 66.7% |
| Calcium | 500 mg | 62.5% |
| Magnesium | 100 mg | 26.7% |
*Nutrient Reference Values per EU Regulation 1169/2011.
Ingredients: Calcium carbonate,magnesium oxide,bulking agent isomalt,bulking agent microcrystalline cellulose,release agent food-grade fatty acids,coating agent hydroxypropyl methylcellulose,bulking agent polyvinylpyrrolidone,release agent magnesium salts of fatty acids,release agent cross-linked carboxymethylcellulose,bulking agent polyethylene glycol,starch,release agent sugar esters of fatty acids,release agent talc,color (iron oxides and hydroxides),vitamin K,vitamin D. Vegetarian,gluten-free.
Note: Not suitable for children,adolescents or pregnant women. Keep out of reach of young children. If taking blood-thinning medication,use only after consulting your doctor. With prolonged use,it’s recommended to have blood vitamin D levels checked; avoid additional vitamin D-containing supplements or medicines without medical advice. Do not use if you have elevated blood calcium (hypercalcemia) or elevated urinary calcium (hypercalciuria).





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