History and Importance of Niacin Quiz
40 Questions
4 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Niacin is also known as __________ acid.

False

Niacin is a vitamer of vitamin ___.

False

Niacin is produced by plants and animals from the amino acid __________.

False

Niacin's role in the cure of pellagra was discovered in the ____.

<p>False</p> Signup and view all the answers

Niacin's lipid-lowering effects were discovered in the year ____.

<p>False</p> Signup and view all the answers

Excessive intake of niacin can cause severe skin flushing combined with ________.

<p>False</p> Signup and view all the answers

The recommended tolerable upper intake level of niacin is ___ mg per day.

<p>False</p> Signup and view all the answers

Niacin can be used for the prevention of premenstrual ________.

<p>False</p> Signup and view all the answers

For individuals 19 years of age and older, the recommended amount of niacin for males is ___ mg NE.

<p>False</p> Signup and view all the answers

The uses of niacin include protection from toxins and pollutants, improvement in ________, and relaxation promotion.

<p>False</p> Signup and view all the answers

Niacin intake was found to have a U-shaped relationship with depression in adults.

<p>True</p> Signup and view all the answers

Moderate niacin intake did not reduce depression risk according to the study.

<p>False</p> Signup and view all the answers

The lowest risk of depression was observed at a niacin intake of approximately 36 mg/day.

<p>True</p> Signup and view all the answers

Niacin may lower the risk of Alzheimer's disease and offer protection against cognitive decline.

<p>True</p> Signup and view all the answers

Niacin interacts with the niacin receptor HCAR2, primarily expressed by neurons in the brain.

<p>False</p> Signup and view all the answers

An FDA-approved niacin formulation (Niaspan®) was administered daily in the study on Alzheimer's disease.

<p>True</p> Signup and view all the answers

The study on Alzheimer's disease showed a significant increase in Aβ burden and plaques after administering niacin.

<p>False</p> Signup and view all the answers

People with Parkinson’s disease were found to have higher vitamin B3 levels according to the study at Augusta University.

<p>False</p> Signup and view all the answers

Low-dose niacin improved motor scores and secondary measures in people with Parkinson’s disease.

<p>True</p> Signup and view all the answers

Niacin has no potential to enhance treatment for Parkinson's disease.

<p>False</p> Signup and view all the answers

Niacin is also known as nicotinic acid. True or False?

<p>True</p> Signup and view all the answers

Niacin is a vitamer of vitamin B2. True or False?

<p>False</p> Signup and view all the answers

Niacin is essential for human health. True or False?

<p>True</p> Signup and view all the answers

Niacin's role in the cure of pellagra was discovered in the late 1930s. True or False?

<p>True</p> Signup and view all the answers

Excessive intake of niacin can cause abdominal pain and gout. True or False?

<p>True</p> Signup and view all the answers

Niacin can be used for the prevention of premenstrual headaches. True or False?

<p>True</p> Signup and view all the answers

The recommended amount of niacin for males 19 years of age and older is 16 mg NE. True or False?

<p>True</p> Signup and view all the answers

Excessive intake of niacin can reduce glucose tolerance and insulin resistance. True or False?

<p>True</p> Signup and view all the answers

Niacin is produced by plants and animals from the amino acid tyrosine. True or False?

<p>False</p> Signup and view all the answers

The tolerable upper intake level of niacin is 35 mg per day. True or False?

<p>True</p> Signup and view all the answers

Niacin intake showed a U-shaped relationship with depression in adults according to the study?

<p>True</p> Signup and view all the answers

The study on Alzheimer's disease showed that niacin may increase the risk of Aβ burden and plaques?

<p>False</p> Signup and view all the answers

Niacin plays no potential role in enhancing treatment for Parkinson's disease?

<p>False</p> Signup and view all the answers

Vitamin B3 deficiency may contribute to Parkinson’s disease symptoms like fatigue, sleep dysfunction, and mood changes?

<p>True</p> Signup and view all the answers

Niacin interacts with the niacin receptor primarily expressed by neurons in the brain?

<p>False</p> Signup and view all the answers

Niacin is also known as nicotinic acid?

<p>True</p> Signup and view all the answers

The lowest risk of depression was observed at a niacin intake of approximately 36 mg/day?

<p>True</p> Signup and view all the answers

An FDA-approved niacin formulation (Niaspan®) was not administered daily in the study on Alzheimer's disease?

<p>False</p> Signup and view all the answers

People with Parkinson’s disease were found to have lower vitamin B3 levels according to the study at Augusta University?

<p>True</p> Signup and view all the answers

Excessive intake of niacin can cause severe skin flushing combined with itching?

<p>True</p> Signup and view all the answers

Study Notes

Niacin Overview

  • Niacin is also known as nicotinic acid.
  • Niacin is a vitamer of vitamin B3.
  • Niacin is produced by plants and animals from the amino acid tryptophan.

Health Effects

  • Niacin's role in the cure of pellagra was discovered in the 1930s.
  • Niacin's lipid-lowering effects were discovered in the year 1950.
  • Excessive intake of niacin can cause severe skin flushing combined with itching.
  • The recommended tolerable upper intake level of niacin is 35 mg per day.

Benefits and Uses

  • Niacin can be used for the prevention of premenstrual headaches.
  • For individuals 19 years of age and older, the recommended amount of niacin for males is 14 mg NE.
  • The uses of niacin include protection from toxins and pollutants, improvement in cholesterol levels, and relaxation promotion.

Relationship with Depression and Alzheimer's Disease

  • Niacin intake was found to have a U-shaped relationship with depression in adults.
  • The lowest risk of depression was observed at a niacin intake of approximately 36 mg/day.
  • Niacin may lower the risk of Alzheimer's disease and offer protection against cognitive decline.
  • An FDA-approved niacin formulation (Niaspan®) was administered daily in the study on Alzheimer's disease.

Relationship with Parkinson's Disease

  • People with Parkinson’s disease were found to have higher vitamin B3 levels according to the study at Augusta University.
  • Low-dose niacin improved motor scores and secondary measures in people with Parkinson’s disease.
  • Niacin has no potential to enhance treatment for Parkinson's disease.

Studying That Suits You

Use AI to generate personalized quizzes and flashcards to suit your learning preferences.

Quiz Team

Description

Test your knowledge of the history, importance, and role of niacin, also known as vitamin B3, in human health. Learn about its discovery by chemist Hugo Weidel, its role in curing pellagra, and its fortification in flour.

More Like This

Use Quizgecko on...
Browser
Open
Browser
Browser