Vitamins What Why and Where?
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About this ebook
Here you will find in-depth, quality information on the vitamins – all in one handy place. This ebook is a trusted resource for people seeking to make sense of the plethora of often-confusing information about vitamins and supplements. Learn where vitamins are naturally found, how much your body needs each day, the richest sources, symptoms of overdose and deficiency, the official Recommended Dietary Intakes (RDI), easy ways to get your day's needs and how cooking or processing affect each vitamin. Whether you're looking to boost your health during pregnancy, to slow aging or you're just feeling run down , this guide about vitamins and supplements will give you all the information you need. You will find complete usage and dosage recommendations for the 14 basic vitamins. You'll be guided through the options that are likely to do you some good, and warned of those with the potential to harm. With clear understandable explanations, the most current scientifically-documented guidelines, and easy-to-follow lists, Vitamins – What, Why and Where is your concise to-the-point guide.
Catherine Saxelby
Catherine Saxelby B Sc, Grad Dip Nutr Dietetics, APD, AN is Sydney-based culinary nutritionist and award-winning author of 12 books. She has contributed to many magazines such as Healthy Food Guide, Prevention and New Idea, and has appeared on TV programs including Good Morning Australia and Today. She runs an informational website at www.foodwatch.com.au where she shares her discoveries about nutrition, diets and additives. Connect with Catherine on Facebook, Twitter, Instagram, LinkedIn and Pinterest.
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Book preview
Vitamins What Why and Where? - Catherine Saxelby
Vitamins What Why and Where?
Catherine Saxelby
Published by Foodwatch, 2020.
While every precaution has been taken in the preparation of this book, the publisher assumes no responsibility for errors or omissions, or for damages resulting from the use of the information contained herein.
VITAMINS WHAT WHY AND WHERE?
First edition. July 23, 2020.
Copyright © 2020 Catherine Saxelby.
ISBN: 978-0987552143
Written by Catherine Saxelby.
Table of Contents
Title Page
Copyright Page
Dedication
Vitamins What Why and Where?
Sign up for Catherine Saxelby's Mailing List
Further Reading: The Super Powers of Veg
Also By Catherine Saxelby
About the Author
For our son Guy who’s always been fascinated by vitamins.For our son Guy who’s always been fascinated by vitamins.
Vitamins
What, Why and Where
––––––––
Catherine Saxelby
First published by Foodwatch Pty Ltd in 2018 This edition published in 2018 by Foodwatch
Copyright © Catherine Saxelby 2018 www.foodwatch.com.au
The moral right of the author has been asserted.
All rights reserved. This publication (or any part of it) may not be reproduced or transmitted, copied, stored, distributed or otherwise made available by any person or entity, in any form (electronic, digital, optical, mechanical) or by any means (photocopying, recording, scanning or otherwise) without prior written permission from the publisher.
Vitamins: What, Why and Where EPUB: 9780987552143
Cover design by Bite Communications
Publishing services provided by Critical Mass www.critmassconsulting.com
‘Knowledge is power.’
Francis Bacon (1561–1626), English philosopher
For our son Guy who’s always been fascinated by vitamins.
Contents
––––––––
Introduction – Hello from Catherine 1
Units and measures 4
Chapter 1: What are vitamins? 7
Grouping and classification 8
Fat-soluble or water-soluble 10
Why do I need them? 11
Where do I find them? 11
The best natural sources of vitamins 12
Chapter 2: Vitamins – food or pills? 13
Ways to maximise the absorption of vitamins 15
Can I overdose on vitamins? 16
Vitamin A (retinol) 16
Pro-Vitamin A (beta-carotene) 17
Vitamin B3 (niacin) 17
Vitamin B6 (pyridoxine) 18
Choline 18
Catherine Saxelby
Vitamin C 18
Vitamin D 18
Vitamin E 19
Vitamin K 20
Vitamin supplements for children 20
Good reasons to give a supplement: 21
Reasons to think twice: 21
Times you may need extra vitamins 22
Smokers (and passive smokers) 23
Heavy drinkers 23
People over 60 who are housebound 23
Vegans 23
Anyone on a restricted diet 23
Fussy eaters 24
Those on a restricted weight-loss diet 24
People with certain types of anaemia 24
Those with malabsorption problems 24
Before conception 24
During pregnancy 25
When breastfeeding 25
When recovering from illness or surgery 25
Lack of money 25
The depleted soil myth 25
Chapter 3: The 14 vitamins outlined 27
Vitamin A (retinol) 29
What does it do? 30
How much do I need? 30
Vitamins
Where to find retinol 32
My Top 10 richest food sources 32
Easy ways to get your daily dose 33
Signs of deficiency 34
Interesting issues 35
Pro-vitamin A (beta-carotene) 37
What does it do? 38
How much do I need? 39
Where to find beta-carotene 40
My Top 10 richest food sources 40
Signs of deficiency 41
Vitamin D (cholecalciferol) 42
What does it do? 44
How much do I need? 44
Where to find vitamin D 45
My Top 10 richest food sources 46
Easy ways to get your daily dose 47
Signs of deficiency 47
Interesting issues 48
Vitamin E (tocopherol) 50
What does it do? 51
How much do I need? 52
Where to find vitamin E 54
My Top 10 richest food sources 54
Easy ways to get your daily dose 55
Signs of deficiency 55
Interesting issues 56
Catherine Saxelby
Vitamin K (phylloquinone) 58
What does it do? 59
How much do I need? 59
Where to find vitamin K 60
My Top 10 richest food sources 61
Easy ways to get your daily dose 61
Signs of deficiency 62
Interesting issues 62
Vitamin B1 (thiamin) 64
What does it do? 65
How much do I need? 65
Where to find thiamin 67
My Top 10 richest food sources 67
Easy ways to get your daily dose 68
Signs of deficiency 69
Interesting issues 70
Vitamin B2 (Riboflavin) 73
What does it do? 74
How much do I need? 75
Where to find riboflavin 76
My Top 10 richest food sources 77
Easy ways to get your daily dose 77
Signs of deficiency 78
Vitamin B3 (niacin) 80
What does it do? 81
How much do I need? 81
Where to find niacin 84
Vitamins
My Top 10 richest food sources 85
Easy ways to get your daily dose 85
Signs of deficiency 86
Interesting issues 87
Vitamin B5 (Pantothenic acid) 91
What does it do? 92
Where to find pantothenic acid 93
My Top 10 richest food sources 94
Easy ways to get your daily dose 94
Signs of deficiency 95
Interesting facts 96
Vitamin B6 (Pyridoxine) 97
What does it do? 98
How much do I need? 98
Where to find pyridoxine 99
My Top 10 richest food sources 100
Easy ways to get your daily dose 100
Signs of deficiency 101
Vitamin B7 (biotin) 102
What does it do? 103
How much do I need? 103
Where to find biotin 104
My Top 10 richest food sources 105
Easy ways to get your daily dose 105
Signs of deficiency 106
Interesting facts 107
Folate (folic acid) 108
Catherine Saxelby
What does it do? 110
How much do I need? 110
Where to find folate 112
My Top 10 richest food sources 113
Easy ways to get your daily dose 113
Signs of deficiency 114
Interesting issues 116
Vitamin B12 (cyano-cobalamin) 118
What does it do? 119
How much do I need? 119
Where to find vitamin B12 121
My Top 10 richest food sources 121
Easy ways to get your daily dose 122
Signs of deficiency 122
Interesting issues 124
Choline 126
What does it do? 127
How much do I need? 127
Where to find choline 129
My Top 10 richest food sources 129
Easy ways to get your daily dose 129
Signs of deficiency 130
Interesting issues 130
Vitamin C 132
What does it do? 133
How much do I need? 134
Where to find vitamin C 135
Vitamins
My Top 10 richest food sources 136
Easy ways to get your daily dose 136
Signs of deficiency 137
Interesting issues 138
References and websites 140
General 140
Relating to individual vitamins 142
Free extras 147
Acknowledgements 149
Connect and keep up 149
About the author Catherine Saxelby 150
Connect with Catherine online 152
Other books by Catherine Saxelby 152
For more information 153
Copyright notice 153
Disclaimer 153
––––––––
Introduction – Hello from Catherine
––––––––
Hello and welcome.
Thanks for buying this book. There seems to be so much hype and conflicting information out there on vitamins. My aim is to look beyond the claims and give you the facts you really need in order to make informed decisions. In this book, you’ll discover what vitamins are, how much you need each day and where to find them – as well as delicious ways to get your daily dose.
In the world of nutrition, vitamins remain a perennially popular topic. Their impact on our health – both positive and negative – generates endless discussion and media stories. Remember these headlines?
Can vitamin C really fight off the common cold? Mushrooms: B12 for vegans?
Folate added to cereals and bread to prevent birth defects in newborn babies.
––––––––
Catherine Saxelby
Vitamin D – the sunshine vitamin – found to be low in many older folk.
As a nutritionist, I am asked about vitamins all the time: How can I tell if I’m deficient in any vitamin? Should I take a supplement as ‘insurance’? What