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What is the scientific consensus on these? Have they ever been clinically tested? Are they better than placebo?

They have been tested and found to have no significant real effect, though they may have a placebo effect as people are told that they have positive effects.
 
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Peterkro said:
lewis82 said:
Well I drink a liter of milk everyday, so that counts for vitamin D supplements. :)

You would need to drink five quarts of fortified milk a day to reach what most researchers say is the optimal level.(note most European countries don't have fortified milk)

There is added vitamin D in milk from Québec. And besides, I can make my own from the sun ;)

Edit: The bag of milk says 45% of daily intake per 250mL.
 
At breakfast: 1 Multivitamin, 2 Vitamin C, 2 Vitamin D, 1 Fish Oil
At dinner: 2 Vitamin C
At supper: 2 Vitamin C, 2 Vitamin D, 1 Fish Oil

And if I'm sick add 1 antibiotic, 1 turmeric (indian spice, helps immune system), 2 Vitamin C hourly, and some others but it depends what kind of sick.

But I don't get sick as often since I started taking these.
 
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I'm glad to see people taking Vit. D supplements,speaking as someone who sometime ago had an unmeasurable D level and who takes 20,000 iu a day now it's important.A look at the possible consequences of a less than ideal level and the amount of people in the temperate areas of the world who have low levels is enough to scare anyone.(just to point out that I'm quite unusual :p and taking 20,000 iu a day could eventually become harmful so don't do that unless a quack suggests it)

I hope you know that is twice the max dose of D, right? But if a doctor said so...
 
I take one timed-release multi-vitamin tablet about 3 times a week because i'm picky about food and don't want to miss out on any vital stuff. Thats pretty much it. I hate pills.

At breakfast: 1 Multivitamin, 2 Vitamin C, 2 Vitamin D, 1 Fish Oil
At dinner: 2 Vitamin C
At supper: 2 Vitamin C, 2 Vitamin D, 1 Fish Oil

And if I'm sick add 1 antibiotic, 1 turmeric (indian spice, helps immune system), and some others but it depends what kind of sick.

But I don't get sick as often since I started taking these.

:eek: I know Vit-C is easily broken down but wow.
 
:eek: I know Vit-C is easily broken down but wow.

What? It's water soluble. I pee out the excess. No harm done. If you thought it was bad before take a look at the sick days again. I just remembered something.

At least I'm not taking 20000 of V-D. :rolleyes:
 
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There is added vitamin D in milk from Québec. And besides, I can make my own from the sun ;)

Edit: The bag of milk says 45% of daily intake per 250mL.

First off I apologise for assuming you were a Septic I should have known from your location you were from a country north of their border.The problem the recommended daily dose is far to low which is why I said "what most researchers recommend".Vit D research is in it's infancy and regulatory agencies haven't caught up yet.

I hope you know that is twice the max dose of D, right? But if a doctor said so...

For Vit D (it's not actually a vitamin by the way) to be toxic you'd need to take over 100,000 iu per day for months.
 
They have been tested and found to have no significant real effect, though they may have a placebo effect as people are told that they have positive effects.

In fact, many supplements are misunderstood. The book Bad Science really shocked me. Basically, Ben Goldacre is a doctor in the UK who runs a website devoted to bad science all about dubious medical science.

I can't remember all the details, but some things I remember from the book were-

Taking too much vitamin C can increase cancer death rates. When a study was conducted on lung cancer suffers taking extra vitamin C they had to end early because the death rate was too high in those with cancer (if I recall it increased about 40% over the control group!). It was immoral to continue.

The evidence that Omega-3 improves concentration and intelligence is quite dubious. A big factor in the recent craze was from a UK school trying to improve exam results. Over a year they made many changes, just one was getting people to take Omega-3. There was no control group, and results improved. Read more here.

The book also mentions things like homeopathy, MRSI and the MMR vaccine.

It pains me as a science graduate to see people needlessly paying money for all these tablets. If your doctor diagnoses you with a deficiency, then of course take them. However, in general just eat a good diet with lots of fruit and veg, and bad things in moderation.

There are so many myths about this, people I know start popping handfuls of vitamin C when they get a cold. They don't realise that taking too much might be harmful, and once you get a cold upping your intake then is really too late. Provided you aren't deficient in vitamin C (you won't be if you eat fruit) just buy some tissues and suffer out the cold.
 
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I'm glad to see people taking Vit. D supplements,speaking as someone who sometime ago had an unmeasurable D level and who takes 20,000 iu a day now it's important.A look at the possible consequences of a less than ideal level and the amount of people in the temperate areas of the world who have low levels is enough to scare anyone.(just to point out that I'm quite unusual :p and taking 20,000 iu a day could eventually become harmful so don't do that unless a quack suggests it)

You must have a quality internet tan.

It's pretty much the same reason I take a supplement, I prefer being pale so avoid being exposed to sunlight too long without factor 50 on.
 
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