21st Century D3 10.000 UI Tabletas, 110 unidades

The 21st Century D3 10,000 IU Tablets food supplement provides a high dose of vitamin D3 (cholecalciferol) in a comfortable and practical format. Each tablet contains 10,000 IU of vitamin D, ideal for those who need an extra supply, especially during months of less sun exposure. Manufactured in the United States, this product contains no added sugar, yeast, preservatives or artificial flavors.

What is vitamin D and why is it important?

Vitamin D is a fat-soluble vitamin essential for multiple bodily functions. Its best-known role is to facilitate the absorption of calcium and phosphorus, fundamental minerals for bone health. In addition, it participates in the regulation of the immune system and muscle function. In Spain, due to latitude and lifestyle, many people have suboptimal levels of vitamin D, especially in winter. Therefore, supplementation can be an effective strategy to maintain adequate levels.

Health benefits of vitamin D

According to the European Food Safety Authority (EFSA), vitamin D contributes to:

• The normal absorption and utilization of calcium and phosphorus.
• The maintenance of normal blood calcium levels.
• The maintenance of bones under normal conditions.
• The normal functioning of muscles.
• The normal functioning of the immune system.
• The process of cell division.

These effects are supported by scientific evidence and recognized by European health authorities. Including vitamin D in your daily routine can help you meet your nutritional needs.

How much vitamin D do you need? Recommended dose

Vitamin D needs vary depending on age, sun exposure, health status, and other factors. The general recommended daily dose is 600 to 800 IU for adults, but in cases of deficiency or high needs, higher doses may be necessary. This product provides 10,000 IU per tablet, an amount that is considered high and should be used under professional supervision. It is recommended to consult a doctor or nutritionist before starting supplementation, especially if other medications are taken or if there are pre-existing health conditions. Do not exceed the daily dose indicated on the package.

Differences between vitamin D2 and D3

There are two main forms of vitamin D in supplements: vitamin D2 (ergocalciferol), of plant origin, and vitamin D3 (cholecalciferol), which is the form that the human body produces after sun exposure. Studies suggest that vitamin D3 is more effective in raising and maintaining blood vitamin D levels. 21st Century D3 uses cholecalciferol, the form identical to the natural one, which favors its utilization by the body.

How to choose the best vitamin D supplement

When selecting a vitamin D supplement, it is important to consider the form (D3 vs. D2), the dose, the quality of the product, and the absence of unnecessary additives. This product stands out for:

• High concentration: 10,000 IU per tablet, ideal for high needs.
• D3 form: Cholecalciferol, the most bioavailable form.
• No additives: Contains no sugar, yeast, preservatives or artificial flavors.
• Manufacturing: Produced in the United States under strict quality controls.
• Format: Easy-to-take tablets, with 110 units per package.

In addition, since it does not contain artificial ingredients, it is suitable for people looking for a clean and simple product.

Possible side effects and contraindications

Although vitamin D is safe in adequate doses, excessive consumption can lead to toxicity (hypervitaminosis D), with symptoms such as nausea, weakness, or kidney problems. Therefore, it is essential not to exceed the recommended dose and consult a healthcare professional before using high doses such as those of this product. This supplement should not be used as a substitute for a balanced diet or a healthy lifestyle.

This product is a food supplement; it should not be used as a substitute for a balanced diet.