Defining a vitamin 2025

See details

4.4 out of 5

20 votes

The document provides a comprehensive overview of vitamins, categorizing them into fat-soluble and water-soluble types. It defines vitamins as essential substances that the body cannot synthesize in sufficient amounts, leading to deficiency symptoms if absent from the diet. The document discusses the historical perspective on vitamins, their functions, food sources, recommended dietary allowances (RDA), deficiency diseases, and toxicity levels for various vitamins including A, D, E, K, and several B vitamins. It emphasizes the importance of balanced intake and highlights specific populations at risk for deficiencies.

Here's how it works

01. Edit your form online

Type text, add images, blackout confidential details, add comments, highlights and more.

02. Sign it in a few clicks

Draw your signature, type it, upload its image, or use your mobile device as a signature pad.

03. Share your form with others

Send it via email, link, or fax. You can also download it, export it or print it out.

The easiest way to edit Defining a vitamin in PDF format online

Ease of Setup

DocHub User Ratings on G2

Ease of Use

DocHub User Ratings on G2

Working on documents with our comprehensive and intuitive PDF editor is simple. Make the steps below to fill out Defining a vitamin online easily and quickly:

Sign in to your account. Sign up with your credentials or create a free account to try the product before upgrading the subscription.
Upload a document. Drag and drop the file from your device or add it from other services, like Google Drive, OneDrive, Dropbox, or an external link.
Edit Defining a vitamin. Easily add and underline text, insert images, checkmarks, and icons, drop new fillable areas, and rearrange or remove pages from your paperwork.
Get the Defining a vitamin accomplished. Download your adjusted document, export it to the cloud, print it from the editor, or share it with other participants via a Shareable link or as an email attachment.

Make the most of DocHub, one of the most easy-to-use editors to quickly handle your paperwork online!

be ready to get more

Complete this form in 5 minutes or less

Get form

Got questions?

We have answers to the most popular questions from our customers. If you can't find an answer to your question, please contact us.

What is the rule for vitamin A?

The total vitamin A content of a food is usually expressed as micrograms (g) of retinol equivalents (RE). The amount of vitamin A adults aged 19 to 64 need is: 700 g a day for men. 600 g a day for women.

What is the average requirement for vitamin A?

The Estimated Average Requirement (EAR) is based on the assurance of adequate stores of vitamin A. The Recommended Dietary Allowance (RDA) for men and women is 900 and 700 g retinol activity equivalents (RAE)/day, respectively.

What is A defining characteristic of vitamins?

Vitamins and minerals are micronutrients required by the body to carry out a range of normal functions. However, these micronutrients are not produced in our bodies and must be derived from the food we eat. Vitamins are organic substances that are generally classified as either soluble or water soluble.

What is the vitamin A limit?

Can vitamin A be harmful? AgesUpper Limit Children 48 years 900 mcg Children 913 years 1,700 mcg Teens 1418 years 2,800 mcg Adults 19 years and older 3,000 mcg2 more rows

How much vitamin A is OK per day?

If you take vitamin A for its antioxidant properties, keep in mind that the supplement might not offer the same benefits as naturally occurring antioxidants in food. The recommended daily amount of vitamin A is 900 micrograms (mcg) for adult men and 700 mcg for adult women.

What is A vitamin definition for dummies?

Vitamins are substances that our bodies need to develop and function normally. They include vitamins A, C, D, E, and K, choline, and the B vitamins (thiamin, riboflavin, niacin, pantothenic acid, biotin, vitamin B6, vitamin B12, and folate/folic acid).

What classifies A vitamin?

Vitamins are organic molecules (or a set of closely related molecules called vitamers) that are essential to an organism in small quantities for proper metabolic function. Essential nutrients cannot be synthesized in the organism in sufficient quantities for survival, and therefore must be obtained through the diet.

Is 1000 mg of vitamin A too much?

The recommended daily allowance (RDA) for men is 900 MCG REA, or 3,000 international units (IU). For women the RDA is 700 mcg RAE, or 2,330 (IU). For all adults, the Tolerable Upper Intake Level (UL) the most vitamin A one can take without experiencing negative health effects is 3,000 mcg RAE, or 10,000 IU.

Defining a vitamin 2025

Here's how it works