• Vitamin D3 400iu
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£5.50
£11.00
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Vitamin D3 400iu

The best absorbed form of pure grade Vitamin D3

These tablets provide the amount of Vitamin D that the Government has said everyone should consider taking as a supplement during the autumn and winter. This is due to a concern that diet and sunshine alone may not provide sufficient Vitamin D for the body’s needs. Vitamin D is found in some foods but for most people it is the action of sunlight on skin that produces most of the body’s requirements. But it is now recognised that our modern ‘indoor’ life and our cloudy climate means that Vitamin D deficiencies are now common in the UK population. The Government have identified several groups of people at particular risk of deficiency.

There are an increasing number of health concerns linked to Vitamin D deficiency and the newspapers have been widely reporting each new piece of research. Some of the many functions of Vitamin D include:
  • Plays a vital role in the maintenance of normal bone health
  • Is involved in the normal function of the immune system
  • Contributes to normal muscle function

This is a good product to choose if you are already taking one of our Multis, (most of which also have 400iu of Vitamin D) or if you do get some sun exposure and just want to top up your Vitamin D. However if you get very little sun then we recommend you consider taking our higher strength Vitamin D 1000iu product.

  • Fantastic value
    Just 3p per day

  • Perfect potency
    Twice the RDA in a small tablet

  • UK Made and tested
    Pharmaceutical GMP standards


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Formula
Ingredients
Daily Intake
Cautions/Allergies
Suitable For
Reviews
Typically per tablet:
Vitamin D3 (400iu)10µg
DiCalcium Phosphate, Cellulose, Vitamin D3, Silicon Dioxide, Stearic Acid, Magnesium Stearate.
Take 1 tablet daily with a meal. Do not exceed recommended daily dose.
Food supplements should not replace a balanced diet and healthy lifestyle.
This product is free from wheat, yeast, dairy, soya, and nuts and shellfish. This product is free from gluten containing ingredients.
This product is suitable for all adults. This product is suitable for vegetarians.This product is suitable during pregnancy and breastfeeding.
 
Vitamin D
By Ghulam Haider - 19th November 2016
Why do you use this product Vitamin D3 400iu ?

My doctor has recommended that I should take Vitamin D. Natures Best is my normal vitamin shop.
 
Vitamin D3-400Iu
By Anonymous - 10th November 2016
Why do you use this product Vitamin D3 400iu ?

Husband was recommended by Dr to take vitamin D so thought we should both take it. First time I have ordered Vitamin D from Natures Best as we already had some, when they are finished we will start on these ones. Regular customer of Natures Best and they always provide a great service.
 
D3 The Sunshine Vitamin
By Celia G Kellett - 3rd November 2016
Why do you use this product Vitamin D3 400iu ?

Recommended by our physiotherapist, at this daily dose, particularly as we don't get enough sunlight during the half year that includes the winter. This is important to us, as my husband and I are now in our seventies and need to stay as healthy as possible, for as long as possible.
 
Vitamin D
By elise - 5th September 2016
Why do you use this product Vitamin D3 400iu ?

I use Vitamin D from October to April when your natural exposure to sunshine is likely to be less

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Reviews and Feedback

Vitamin D

By Ghulam Haider - 19th November 2016

Why do you use this product Vitamin D3 400iu ?

My doctor has recommended that I should take Vitamin D. Natures Best is my normal vitamin shop.

Recommend to a friend: Yes

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Vitamin D3-400Iu

By Anonymous - 10th November 2016

Why do you use this product Vitamin D3 400iu ?

Husband was recommended by Dr to take vitamin D so thought we should both take it. First time I have ordered Vitamin D from Natures Best as we already had some, when they are finished we will start on these ones. Regular customer of Natures Best and they always provide a great service.

Recommend to a friend: Yes

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D3 The Sunshine Vitamin

By Celia G Kellett - 3rd November 2016

Why do you use this product Vitamin D3 400iu ?

Recommended by our physiotherapist, at this daily dose, particularly as we don't get enough sunlight during the half year that includes the winter. This is important to us, as my husband and I are now in our seventies and need to stay as healthy as possible, for as long as possible.

Recommend to a friend: Yes

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Vitamin D

By elise - 5th September 2016

Why do you use this product Vitamin D3 400iu ?

I use Vitamin D from October to April when your natural exposure to sunshine is likely to be less

Recommend to a friend: Yes

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Miss Most Of The Sunshine!

By Anonymous - 13th April 2016

As I work full time and indoors I do not have a lot of sun exposure and then find the winter lowers my mood. Have started with a low dose and it seems to have helped but early days.

Recommend to a friend: Yes

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In The North.

By Anonymous - 27th March 2016

Lving in northern Scotland we have less sunlight in the year than places in the south of UK. It makes sense to try to do something to make up for this. Taking this vitaminn D3 is a good answer and cheaper than moving house!!

Recommend to a friend: Yes

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Mrs

By Anonymous - 18th March 2016

Why do you use this product Vitamin D3 400iu ?

To process the calcium i take. And for lack of sun!,,

Recommend to a friend: Yes

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Vitamin D

By Carol Shingles - 17th February 2016

No decent exposure to sun for couple of years as have moved to Scotland. So thought would try Vit D for a while. It also keeps bones healthy. Only been taking for a week so cannot comment on efficacy yet.

Recommend to a friend: Yes

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Very Good Value

By Derek Nash - 9th February 2016

Why do you use this product Vitamin D3 400iu ?

My wife was diagnosed with low vitamin D levels, so was recommended to boost her vitamin D intake especially in winter.

Recommend to a friend: Yes

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Side Effects

By Anonymous - 7th February 2016

Why do you use this product Vitamin D3 400iu ?

Lack of sunlight in winter. Had heart palpitations a couple of hours after taking and upper back pain (could be kidney pain). Delivery was good but I did not have a good reaction to the product itself.

Recommend to a friend: No

Our Response: Thank you for review. I am sorry that this product was not suitable for you to use and that this has now been dealt with to your satisfaction. This is an unusual reaction to Vitamin D, but thank you for letting us know.
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Cheaper Than Going To Live In Spain.

By Jacqueline Hinks - 7th February 2016

For donkey's years I have suffered from the 'winter miseries' as I call them, and believe me they are awful. Thought perhaps St. John's Wort may help, but as I am thyroid deficient these are not the answer. having given Vitamin D a try this winter I'll be using them again next year. Nothing compensates for hours in my beloved garden in the sunshine, but this winter has been a vast improvement. Vitamin D is also thought to help strengthen bones and that can only be a good thing as I approach 70.

Recommend to a friend: Yes

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Winter Supplement

By Wanda Morrison - 21st January 2016

Why do you use this product Vitamin D3 400iu ?

After learning that most/many suffer low levels in winter, husband and I have decided to take vit D as a regular winter supplement.

Recommend to a friend: Yes

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D3 400Iu

By David Topping - 11th December 2015

Why do you use this product Vitamin D3 400iu ?

I am using this product as my GP suggested I take D3 during the winter having recently completed a 3 month course of prescribed D3 following a blood test.

Recommend to a friend: Don't know

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Mia T

By Miwa Thorpe - 1st December 2015

i don't get enough sunshine. So I take this together with Multi-Max Advance. I'm happy with my choice.

Recommend to a friend: Yes

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Vitamin D

By David Hirst - 21st November 2015

Why do you use this product Vitamin D3 400u ? In the UK we need vitamin D all the year round as the sunshine alone is just not enough. I trust natures best to be good quality from a company that pays taxes unlike some American companies, you know who they are.

Recommend to a friend: Yes

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Everyone Should Take It!

By Joy Gawronska - 28th October 2015

Why do you use this product Vitamin D3 400iu ?

We take vitamin D every day and have done for a number of years. We just don't get enough sunshine and if you read up on it the benefits are huge and the price very reasonable + always great quality from Natures Best.

Recommend to a friend: Yes

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Depression Vit D3

By Robert Kristensen - 24th October 2015

Why do you use this product Vitamin D3 400iu ?

I have seasonal depression and taking Vit D3 as advised by your nutritionist.Very reliable adviser.And feel the depression has diminished.
Furthermore I am impressed by the posting service .Offering to send samples due to delayed delivery.I have though received the parcel prior to the expiry of delivery time.
Exellent service!

Recommend to a friend: Yes

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Sunshine

By Kathy Blakemore - 8th September 2015

Why do you use this product Vitamin D3 400iu ?

We take vitamin D to compensate for our lack of natural sunshine. It strengthens bones and teeth and I believe it is mood enhancing. We certainly feel better for taking it over the last twoyears.

Recommend to a friend: Yes

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Good All-Rounder

By Julie Richardson - 1st August 2015

Why do you use this product Vitamin D3 400iu ?

Having read about this wonder-vitamin in various articles we decided to give it a try. Since taking it we have noticed a significant reduction in the number of colds and also, when one does catch us, we appear to recover faster. During the winter months when you can feel lethargic, this also seems to have improved.

Recommend to a friend: Yes

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Additional Supplement

By Jeanette Allan - 30th July 2015

I use the Vitamin D 400 to supplement another multivitamin package I use, which gives me 600 mg daily. The 1000 total keeps me topped up all year round, particularly in years with the kind if weather we have had in Scotland this summer. Not much free vitamin D about!

Recommend to a friend: Yes

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Vitamin D3 Tablets

By Christopher Powell - 9th June 2015

Why do you use this product Vitamin D3 400iu ?

Because I think they boost my immunity to colds and such like. I also take Vitamin C 500mg tablets for the same reason.

Recommend to a friend: Yes

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Vitamin D3 Tablets

By Alistair Scott - 15th May 2015

Why do you use this product Vitamin D3 400iu ?

Since starting on these tablets a couple of years ago I very rarely suffer from a full blown head cold.

Recommend to a friend: Yes

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Feedback

By James Horsler - 26th April 2015

Has raised my bone density

Recommend to a friend: Yes

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Treebeard

By Rony Cambell - 28th March 2015

Why do you use this product Vitamin D3 400iu ?

I've never taken before, but on the suggestion of a friend and then reading articles, decided that taking them would most probably do me good as I'm terribly run down, suffer from CFS. I've been taking for a week, and overall, I'm seem to be feeling better

Recommend to a friend: Yes

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Vitamin D3

By C Broom - 20th December 2014

Why do you use this product Vitamin D3 400iu ?
After some research into this vitamin,I felt being a little older,this would provide some benefits.I also discovered the nhs recommends taking this vitamin as a supplement,to all over 65 years.Each year cold viruses want to be my best friend,and out stay their welcome y many weeks.I hope this will help my immunity and, so fight off these winter cold and viruses.
I think this will not be a instant fix,but prolonged use,could well help.looking at reviews on this product,all seem very positive.

Recommend to a friend: Yes

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Vitamin D3

By Grace Martyn - 6th December 2014

Why do you use this product Vitamin D3 400iu ?

Along with magnesium for bone health and muscle strenght

Recommend to a friend: Yes

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My Winter Sun!

By Eliane C. - 14th November 2014

Why do you use this product Vitamin D3 400iu ?

I live in the North of Scotland where winters can be very gloomy and no much sun is around to lift up my energy. I wanted to support my energy level and have chosen to take vitamin D3 regularly. I have done so for the last 5 years or so and I gradually felt the difference in my moods. I am a vegetarian so I eat plenty of vegetables, fruits and nuts and enjoy the sun (when out!) in walks or work in my good size garden. Vitamin D3 is invaluable to my health and I recommend it to anyone who feels low in winter time due to shorter days and lack of sun light.

Recommend to a friend: Yes

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Vitamin D3

By Anonymous - 18th October 2014

Why do you use this product Vitamin D3 400iu ?

As I am over 80 and still quite mobile I find that the regular intake of Vitamin D very useful to keep my bones in good shape. I do keep out of the sun quite a bit as I have fair skin which is easily burnt. I would heartily recommend this product to others who wish to have a daily boost of this particular vitamin.

Recommend to a friend: Yes

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Later Years

By Anne Rowland - 6th October 2014

Why do you use this product Vitamin D3 400iu ?


If you are not out and about in later years then it is v. important to take this.
Also I had heard it improves memory as well.
In Canada they give babies D3 from birth because of their long dark winters.

Recommend to a friend: Yes

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Vitamin D

By Elaine Garrett - 21st August 2014

Why do you use this product Vitamin D3 400iu ?

I read about this product and feel it will benefit my well being

Recommend to a friend: Yes

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Vit.D

By Iris Mcewen - 27th July 2014

Why do you use this product Vitamin D3 400iu ?

Living on the west coast in the Highlands of Scotland ,we are often short of sunshine,so I take vitamin D to compensate for this shortage.

Recommend to a friend: Yes

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Vit.D

By Iris Mcewen - 27th July 2014

Why do you use this product Vitamin D3 400iu ?

Living on the west coast in the Highlands of Scotland ,we are often short of sunshine,so I take vitamin D to compensate for this shortage.

Recommend to a friend: Yes

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D 3

By Eric Nielsen - 10th June 2014

Why do you use this product Vitamin D3 400iu ?

As my age is +50 i feel it is vital to add this vitamin to help bones structure.

Recommend to a friend: Yes

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Vitamin D3 400Iu

By Patricia Taylor - 8th May 2014

Why do you use this product Vitamin D3 400iu ?


It's the sunshine vitamin! I use SPF30 make-up on my face and SPF20 sun cream on my body which prevents the skin absorbing Vit D from the sun. I've also found my mood is better and of course it helps the body absorb calcium which is good for the bones. Great value that you can trust!

Recommend to a friend: Yes

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4*

By Ydelka Hernandez - 3rd May 2014

Why do you use this product Vitamin D3 400iu ?

It the first time I bought it, but as the price was ok I did it.

Recommend to a friend: Yes

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Excellent

By Denise Wood - 5th April 2014

Why do you use this product Vitamin D3 400iu ?

Great product, price and fast delivery - as always.

Recommend to a friend: Yes

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Vitamin D3

By Kim Read - 1st April 2014

Why do you use this product Vitamin D3 400iu ?

This is only my fifth day on this vitamin, but I haven't felt so warn out

Recommend to a friend: Yes

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Vitamin D3

By Jean Daly - 21st March 2014

Why do you use this product Vitamin D3 400iu ?

As we are in our 70s it is recommended widely.

Recommend to a friend: Yes

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Vitamin D

By David Bromwich - 2nd March 2014

Why do you use this product Vitamin D3 400iu ?

I live in Scotland where lack of sunshine is a problem.

Recommend to a friend: Yes

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:0)

By Grace Warburton - 1st March 2014

Why do you use this product Vitamin D3 400iu ?

For stronger nails, hair and bones.

Recommend to a friend: Yes

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Vitamin D 3

By Anonymous - 22nd February 2014

Why do you use this product Vitamin D3 400iu ?


Because my doctor told me that I'm in absence of vitamin D.
To early to tell if it has help, have to take some new test.

Recommend to a friend: Yes

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Vitamin D

By Paul Syrett - 1st January 2014

Why do you use this product Vitamin D3 400iu ?

Studies show that Vitamin D is important for good health in the winter we don't get enough from the sun

Recommend to a friend: Yes

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Vitamin D

By Sandra Kibble-White - 12th December 2013

Why do you use this product Vitamin D3 400iu ?

I feel I need a supplement in winter when there's not much sun.

Recommend to a friend: Yes

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Vitamin D

By Christine Jemmeson - 17th November 2013

Why do you use this product Vitamin D3 400iu ?


As a pensioner and someone who does not take winter holidays in the sun I felt a supplement would help especially during the winter months. I do go out most days winter and summer but felt a supplement would make up for lack of sunshine.

Recommend to a friend: Yes

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Great For Coughs And Colds

By Christopher Simms - 16th October 2013

Why do you use this product Vitamin D3 400iu ?

I swear by this stuff. It is great for keeping away coughs and colds, and helps get rid of them quicker.

Recommend to a friend: Yes

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Need For Vitamin D During Winter

By Sheila Warden - 29th September 2013

Why do you use this product Vitamin D3 400iu ?

Because I have Osteoporosis, I am supposed to take 1000iu of Vitamin D a day from October to May - so this is what I am doing.

Recommend to a friend: Yes

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My Tub Of Sunshine

By Pamela Ryan - 19th September 2013

Why do you use this product Vitamin D3 400iu ?

I take a low dose during the summer and increase during the winter months of those dark mornings and evenings not to mention the grey days. Basically I wouldn't get through winter in a sunny mood. So much better than being grumpy!
I have even got my 80 year old mum taking them to keep SAD at bay.

Recommend to a friend: Yes

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D For Deficiency

By Debbie Kearney - 11th September 2013

Why do you use this product Vitamin D3 400iu ?

I had severe Vit D deficiency and even after jabs I struggled to maintain satisfactory levels. The Nature's Best supplement was recommended to me by a doctor. The pains in my joints and muscles went away and my immune system now seems to work well.

Recommend to a friend: Yes

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Bone Strength

By Janet Lesley Smith - 11th August 2013

Why do you use this product Vitamin D3 400iu ?
I take it in combination with osteogard as I believe they are beneficial for bone strength, as I am now post menopausal, and have quite a few falls.

Recommend to a friend: Yes

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Vitamin D

By Ellis G Jones - 5th August 2013

Why do you use this product Vitamin D3 400iu ?

It is recommended for all over 50s.It is a bonus for bones and a potent anti carcinogenic vitamin.

Personally I have not had a cold for last 3 years.

Recommend to a friend: Yes

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My Sunshine Vitamin

By Sheila Grant - 15th April 2013

Why do you use this product Vitamin D3 400iu ?
I take these as I live in an area of low sunshine. Sometimes I cannot get out and about either, so I take them as an insurance.

Recommend to a friend: Yes

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Vitamin D

By Alison Taylor - 4th April 2013

Why do you use this product Vitamin D3 400iu ?
My husband has a vitamin D deficiency as he spends a lot,of time in artificial light.

Recommend to a friend: Yes

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Vitamin D

By Vivienne Ballantine - 14th August 2012

Why do you use this product Vitamin D3 400iu ?
nEW PRODUCT FOR ME, BECAUSE OF MY AGE i FELT IT WOULD BE A GOOD IDEA TO HAVE SOME SINCE THE SUN HAS BEEN ELUDING US THIS SUMMER

Recommend to a friend: Don't know

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Vitamin D3

By Norman Clarke - 5th August 2012

Why do you use this product Vitamin D3 400iu ?
As an insurance because i do not get much opportunity to get out of doors

Recommend to a friend: Yes

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Aid To Calcium Absorption

By Sandra Allison - 20th July 2012

Why do you use this product Vitamin D3 400iu ?
I have only recently started taking this product as recommended by my physiotherapist to aid the absorption of calcium from both food and the Osteoguard I take daily. Currently taking two tablets daily.

Recommend to a friend: Yes

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Vitamin D

By Janet Walford OBE - 20th May 2012

Why do you use this product Vitamin D3 400iu ?

I have read recent reviews that, with all the SPF in face creams nowadays, the morbid fear of skin cancer and the lack of sunshine in the UK, we are not getting enough vitamin D into our systems. Although my diet is extremely healthy I realise that the body cannot manufacture enough of this important vitamin to maintain complete health. I like the fact that NB recognises that the recommended dosage is twice the normal RDA and supplies tablets in the appropriate size to ensure that we only need bother with one a day - I can cope with that!

Recommend to a friend: Yes

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Vitamin D3

By Carol Browne - 19th May 2012

Why do you use this product Vitamin D3 400iu ?

I actually bought this for a friend, although I do take it myself in a much higher dose. I was recently diagnosed with severe D3 dificiency so I am taking 2,000 iu
per day. Upon mentioning this to a friend I found out that she also is low but to far lesser extent, so I bought them for her.

Recommend to a friend: Yes

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Vitamin D

By Valerie Reid - 19th May 2012

Why do you use this product Vitamin D3 400iu ?


I read that as you get older, even in sunny climes, the system does not process Vit. D as it should... I am fair skinned, so tend to keep out of strong sunlight... hence the use of Vit D

Recommend to a friend: Yes

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Vitamin D3 400Iu

By J Garty - 19th April 2012

Why do you use this product Vitamin D3 400iu ?
To support general health, brain function and bone health

Recommend to a friend: Yes

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Vitamin D3 400Iu

By Dillian Warman - 15th April 2012

Why do you use this product Vitamin D3 400iu ?
Have taken this and the 1000iu strength for three years since starting chronic fatigue to help avoid all the colds and chest infections I am prone to. It works for me!

Recommend to a friend: Yes

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Sunshine Vitamin

By Anonymous - 31st March 2012

Why do you use this product Vitamin D3 400iu ?
I regularly take calcium for the sake of my bones and teeth and it is necessary to take vitamin D as well for the efficient absorption of the calcium into the system, so that is partly why I take this product. It has also been shown to be beneficial for other reasons as well especially for those of us who do not get a lot of exposure to natural sunlight.

Recommend to a friend: Yes

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Oriane

By Maurice Bertrand - 13th March 2012

Why do you use this product Vitamin D3 400iu ?


j'utilise ce produit car la vitamine D permet de lutter contre les maladies de l'hiver, et l'organisme en manque de façon chronique

Recommend to a friend: Yes

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