Metagenics Vitamina D3 1000 UI - 120 Tablets

What is vitamin D and why is it important?

Vitamin D is a fat-soluble nutrient essential for the body. Unlike other vitamins, our body can produce it when the skin is exposed to sunlight. However, factors such as geographical location, the use of sunscreens, and lifestyle can limit this synthesis, making supplementation necessary, especially during the winter months.

This vitamin plays a key role in multiple physiological processes. The most active and bioavailable form is vitamin D3 (cholecalciferol), which is what this Metagenics supplement offers. Each tablet provides 25 mcg (1000 IU) of vitamin D3, equivalent to 125% of the recommended daily value.

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 normal bones.
• Normal muscle function.
• Normal immune system function.

In addition, vitamin D is involved in the process of cell division. Adequate intake is essential for bone and dental health, as well as to support the body's natural defenses.

How much vitamin D do you need? Recommended dose

Vitamin D requirements vary according to age, sun exposure, and health status. The recommended daily dose for adults is generally between 600 and 800 IU, although many people can benefit from higher amounts, especially if they have little sun exposure.

This Metagenics product provides 1000 IU per tablet, a dose that is well suited to the needs of most adults. It is recommended to take one tablet daily, preferably with a meal that contains fat to promote its absorption.

If you have questions about the appropriate dose for you, consult a healthcare professional. Do not exceed the recommended daily dose.

Differences between vitamin D2 and D3

There are two main forms of vitamin D: D2 (ergocalciferol) and D3 (cholecalciferol). D2 is obtained from plant sources, while D3 is the form produced by the body after sun exposure and is also found in animal-derived foods.

Research suggests that vitamin D3 is more effective than D2 in raising and maintaining vitamin D levels in the blood. For this reason, most high-quality supplements use D3, as is the case with Metagenics, which offers naturally sourced cholecalciferol.

How to choose the best vitamin D supplement

When selecting a vitamin D supplement, it is important to consider the form (D3 is preferable), the dosage, and the quality of the product. Metagenics is a brand recognized for its quality and purity standards.

This supplement provides 1000 IU per tablet in a clean formula, without unnecessary additives. Each package contains 120 tablets, enough for a four-month supply. It is suitable for adults looking to maintain optimal vitamin D levels, especially during autumn and winter or when sun exposure is limited.

In addition, the product has Natural Product Number (NPN) 80002378, which guarantees its registration and regulatory compliance in Canada.

Possible side effects and contraindications

Vitamin D is generally safe at recommended doses. However, excessively high doses (generally over 4000 IU per day for prolonged periods) can cause toxicity, with symptoms such as nausea, weakness, or kidney problems. This supplement provides 1000 IU, a dose considered safe for most of the population.

People with certain medical conditions (such as sarcoidosis or hypercalcemia) or who take specific medications should consult their doctor before starting supplementation.

Important: This product is a food supplement and should not be used as a substitute for a balanced diet. Do not exceed the recommended daily dose. Keep out of reach of children.