Healthline has strict sourcing guidelines and relies on peer-reviewed studies, academic research institutions, and medical associations. We avoid using tertiary references. You can learn more about how we ensure our content is accurate and current by reading our editorial policy. Marcinowska-Suchowierska E, Kupisz-Urbańska M, Łukaszkiewicz J, Płudowsk P, Jones G. Vitamin D toxicity–a clinical perspective. Front Endocrinol (Lausanne). 2018;9:550. doi:10.3389/fendo.2018.00550

Older adults: Older adults who spend a lot of time indoors may be at risk of developing a vitamin D deficiency. According to the NIH, around half of older adults with hip fractures in the United States may have inadequate vitamin D levels. Also, the skin’s ability to synthesize vitamin D declines with age. Your colecalciferol liquid should come with a plastic syringe. If you do not have one, ask your pharmacist for one. People with dark skin: Dark skin tones contain more melanin, which can reduce the amount of vitamin D the skin makes. People with darker skin tones generate vitamin D from the sun more slowly than people with lighter skin. However, it is unclear whether this has any health consequences. Infants drinking breast milk: This does not contain much vitamin D. The NIH reports that exclusively and partially breastfed infants receive 10 micrograms (mcg), or 400 international units (IU), of vitamin D per day until weaning.

If you forget to take it

Colecalciferol is also available in lower doses. You can take 400IU a day if you're an adult maintaining your vitamin D levels. Doses for children

Vitamin D3 is an essential nutrient for general health. It is called the sunshine vitamin as we would normally produce it when exposed to sunshine. Long hours spent indoor, high use of sunscreens and winter time, are all factors that can contribute to Vitamin D deficiency. taking a vitamin D supplement in it active form of D3 (cholecalciferol), is essential to maintain good level of this key life enhancing nutrient. Especially during cold wintery months where we are also more exposed to cold, flu and other infections. Nourish your natural immune defences with the help of NaturesPlus® Immune Vitamin D3, delivering this key nutrient to support overall immune system health.* These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease. Immune Vitamin D3 is emulsified to provide easy-to-absorb microparticles, and combined with mineral salts to help further enhance its absorption and activity. * These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.Vitamin D contributes to the normal functioning of the immune system As the NIH notes, people require different amounts of vitamin D at different ages. The recommended dietary allowances (RDAs) are as follows:Zadka K, et al. (2018). The state of knowledge about nutrition sources of vitamin D, its role in the human body, and necessity of supplementation among parents in central Poland. Plus, it contributes to normal absorption of calcium and phosphorus, 5blood calcium levels, 6and maintain healthy teeth, 7making this an essential addition to your diet. Who should take vitamin D3?

Myvitamins Vitamin D3 Softgels area premium source of an essential D vitamin to support your general health and wellbeing. If you’ve received a diagnosis of vitamin D deficiency, a healthcare professional may recommend a vitamin D3 dosage of 6,000 IU per day or 50,000 IU per week for 8 weeks followed by a maintenance dosage of 1,000–2,000 IU per day. Can I take B12, vitamin D, and magnesium together?

If you take too much

It contains a high quantity of vitamin D3 to support our bones and teeth. (1)It does this by aiding the absorption of calcium, which supports bone health. (2) Vitamin D3also helps to maintain our immune system’s health to keep us fighting fit. (3) He S, Hao X. The effect of vitamin D3 on blood pressure in people with vitamin D deficiency: a system review and meta-analysis. Medicine (Baltimore). 2019 May;98(19):e15284. doi:10.1097/MD.0000000000015284