Vitamin D3, sold in units of powder of 20 gr. coming in paper bags of 100 gr.

the powder have a purity of 0.25% of vitamin d3. Which means that for each unit, there is 0.05 gr of Vitamin d3. Thats 50000 mcg (2M iu) which stands for 500 dosis of Vitamin d3.

In order to optimize the logistic work and the transport in this beginning of the Immunes Health, the minimal single order is 40 eur. If you only order Vitamin D3. should order 6 units to make 120 gr, at least.

You can order more gr in multiple of 20 gr, since here. Also you can order just 20 gr as part of the grouped kit product. Transport is included in the price. Tracking only included in the price if the total order is 120 eur or more.

Otherwise, tracking is optional for 5 eur cost.

Vitamin d3, which main source is the sun, have a key role in the immune system, and different main functions of our body. Suggested 3000-4000 iu per day  which is 75-100 mcg (except summer), With symptoms could be increased up to 15000 iu. for bigger amounts consider to ask a professional.