Vitamins what is iu

If you want to convert the other way, simply multiply by the conversion factor instead of dividing. For example, if you have 25 mcg of vitamin D as cholecalciferol and want to know how many IU that's equivalent to, you'd multiply:.

Like vitamin A, vitamin E may be sold in multiple forms, and the conversion factor depends on which form you've encountered. The conversion factor for vitamin E as dl-Alpha-tocopherol is 0. So if you have 20 IU of vitamin E and want to know how many mg that is in each form, you'd divide by the appropriate conversion factor:.

Read more: Risks of Taking I. Janet Renee has over a decade of experience as a registered dietitian. Renee attended the University of California, Berkeley and holds an M. Lisa Maloney, CPT. Lisa is a retired personal trainer with more than 4, hours of hands-on experience working with a variety of clients, from sports teams to weight loss and post-rehab populations. She's also a professional writer. IU, or international units, is a type of measurement that standardizes the biological effect you can expect from a given supplement.

Video of the Day. Tip According to Merriam-Webster , the precise international unit or IU definition is "a quantity of a biologically active substance such as a vitamin that produces a particular biological effect agreed upon as an international standard. Why Use the IU Measurement? Recommended IU Vitamin Intake. So, 8, IU of vitamin A as retinol is equivalent to 2, mcg of retinol.

In the future, both ways of dosing are likely going to be shown on the packaging. It is important to always refer to the nutritional information and directions provided by the product typically located on the side of the packaging , and to speak to your health care professional before taking any new medications.

This website uses cookies to improve your experience and to personalize content and ads. They also help us to understand how our site is being used. By continuing to use our site, you consent to use our cookies. You may also opt-out by managing your cookie settings. Este sitio web utiliza cookies para mejorar su experiencia y personalizar el contenido y los anuncios.

This website uses cookies to improve your experience while you navigate through the website This website uses cookies to improve your experience while you navigate through the website.

Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. We also use third-party cookies that help us analyze and understand how you use this website. Questions to Ask About Cancer. Choices for Care. Talking about Your Advanced Cancer.

Planning for Advanced Cancer. Advanced Cancer and Caregivers. Questions to Ask about Advanced Cancer. Managing Cancer Care.

Finding Health Care Services. Advance Directives. Using Trusted Resources. Coronavirus Information for Patients. Clinical Trials during Coronavirus. Adolescents and Young Adults with Cancer. Emotional Support for Young People with Cancer. Cancers by Body Location. Late Effects of Childhood Cancer Treatment.

Pediatric Supportive Care. Rare Cancers of Childhood Treatment. Childhood Cancer Genomics. Study Findings. Metastatic Cancer Research. Intramural Research. Extramural Research.

Cancer Research Workforce. Partners in Cancer Research. What Are Cancer Research Studies. Research Studies. Get Involved. Cancer Biology Research. Cancer Genomics Research. Research on Causes of Cancer. Cancer Prevention Research.

Cancer Treatment Research. Cancer Health Disparities. Childhood Cancers Research. Global Cancer Research. Cancer Research Infrastructure. Clinical Trials. Frederick National Laboratory for Cancer Research. Bioinformatics, Big Data, and Cancer. Annual Report to the Nation. Research Advances by Cancer Type.