NOW Vitamina D-3 5.000 UI, 120 Cápsulas Blandas

What is Vitamin D3 and why is it important?

Vitamin D3, also known as cholecalciferol, is a form of vitamin D that the body can use directly. It is naturally produced in the skin after sun exposure, but in countries like Spain, where sunlight can be limited for long periods, supplementation becomes essential. This NOW Foods product offers 5,000 IU of vitamin D3 per softgel, presented in a highly absorbable liquid form to maximize its utilization.

Vitamin D is a fat-soluble vitamin that plays a crucial role in multiple bodily functions. Without adequate intake, the body cannot properly absorb calcium, affecting bone and muscle health. Additionally, its influence on the immune system makes it a key nutrient for overall well-being.

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.
• The normal functioning of muscles.
• The normal functioning of the immune system.

These benefits are supported by decades of scientific research. Vitamin D3, being the closest form to what the body produces, is considered particularly effective in maintaining these physiological processes.

How much vitamin D do you need? Recommended dosage

Daily vitamin D needs vary depending on age, sun exposure, skin tone, and health status. In general, the EFSA recommends a daily intake of 400 IU for infants, 600 IU for children and adults up to 70 years old, and 800 IU for those over 70 years old. However, many people require higher doses to reach optimal levels, especially in winter or with little sun exposure.

This 5,000 IU per capsule supplement is a high dose, indicated for those who need extra intake under professional supervision. Do not exceed the recommended daily dose. The EFSA establishes a maximum tolerable level of 1000 IU per day from supplements for adults, so doses such as 5,000 IU should be evaluated by a doctor. Consult a healthcare professional before starting supplementation.

Differences between vitamin D2 and D3

There are two main forms of vitamin D: D2 (ergocalciferol), of plant origin, and D3 (cholecalciferol), of animal origin (lanolin) or lichen for the vegan version. Vitamin D3 is the form that the body produces naturally and is considered more effective in raising and maintaining blood vitamin D levels. That's why most high-quality supplements, like this one from NOW Foods, use D3.

If you follow a vegan diet, look for lichen-derived D3 versions. NOW's softgel presentation is made with gelatin (of animal origin), so it is not vegan. For vegan options, there are alternatives on the market.

How to choose the best vitamin D supplement

When selecting a vitamin D supplement, consider the following aspects:

• Form: D3 (cholecalciferol) is preferable to D2 due to its higher bioavailability.
• Dosage: Choose a dose according to your needs. 5,000 IU is a high dose, ideal for confirmed deficiencies or under medical recommendation.
• Presentation: Liquid softgels facilitate absorption, especially in people with sensitive digestion.
• Quality and certifications: Look for seals such as Non-GMO, gluten-free, halal, kosher, and manufactured under GMP. NOW Foods has NPA A-Rated GMP certification, which ensures rigorous testing for stability, potency, and formulation.
• Allergens: This product is corn-free, dairy-free, egg-free, soy-free, gluten-free, and low in sodium. It contains gelatin (halal and kosher).

NOW Foods is a family-owned company founded in 1968 that packages its products in the USA, with a commitment to quality and purity.

Possible side effects and contraindications

Vitamin D3 is generally safe at recommended doses. However, very high doses (more than 1000 IU per day for prolonged periods) can cause hypercalcemia (excess calcium in the blood), with symptoms such as nausea, weakness, or kidney problems. Therefore, it is important not to exceed the indicated dose and to consult a doctor if taking other medications or suffering from health conditions such as hyperparathyroidism or sarcoidosis.

This product is a food supplement, it should not be used as a substitute for a balanced diet. Keep out of reach of children. Consult your doctor before use if you are pregnant, breastfeeding, or taking medication.