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FAQs

Delivery and Payment

Orders within the Czech Republic and Slovakia are usually delivered within 1–3 business days.

For all orders over 1,490 CZK (€60), shipping is completely free!

For smaller orders, delivery within the Czech Republic costs:

  • To a pickup point (Zásilkovna / PPL) – 69 CZK
  • To your address (PPL / GLS) – 89 CZK

For orders shipped to Slovakia, delivery costs:

  • To a pickup point (Packeta) – €3.49
  • To your address (GLS) – €4.49

You can pay for your order using the following payment methods:

  • Credit or debit card
  • Apple Pay, Google Pay, or Shop Pay
  • Bank transfer / QR code
  • 3 interest-free installments via the Klarna payment gateway
When should I take Vitamin D3+K2 MK-7?

After a meal, ideally after breakfast or lunch.

The presence of fats in the meal significantly increases the absorption of vitamin D from your diet.

How can I tell if I have a vitamin D deficiency?

Go for a blood test.

A blood test is the only way to tell whether your vitamin D level in the blood is optimal.

Is vitamin D safe for children as well?

Yes.

However, the exact dosage should always be consulted with a pediatrician.

Can I take too much vitamin D?

Yes.

That’s why you should always follow the recommended dosage, and consult your doctor before taking higher doses.

I have blood test results, how much vitamin D should I supplement?

Breakdown of ideal supplementation based on blood vitamin D levels:

<20 ng/ml (<50 nmol/l) -> 4,000 to 8,000 IU/day -> 4 to 8 weeks, then re-test

20 to 29 ng/ml (50 to 72.5 nmol/l) -> 2,000 to 4,000 IU/day -> 4 to 8 weeks, then re-test

30 to 50 ng/ml (75 to 125 nmol/l) -> less than 2,000 IU/day -> 4 to 8 weeks, then re-test

50 ng/ml (>125 nmol/l) -> Consume foods rich in vitamin D

However, always consult your doctor about the exact dose.

*Current level -> Recommended supplementation

Couldn't find an answer to your question?

In that case, please visit our general FAQs.

Alternatively, contact us at info@officialcomplex.com. We will handle your question or request within 24 hours.

Disclaimer

This product has been placed on the market as a dietary supplement. It is not a medicine or a substitute for a varied diet. The minimum shelf life is stated on the packaging. The purpose of the information provided here is not to increase the consumption or sales of products. We do not encourage inappropriate, excessive, or unjustified use of the product. Always consult a doctor regarding the active ingredients and the use of the product. Store in a dry, cool place, out of reach of children.

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