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Old 12-26-2013, 01:13 PM   #41
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I live in Arizona and golf (walking) at least 3 times a week and during my last blood test my vitamin D was low so the Doctor told me to start taking vitamin D supplements. I've read conflicting reports about the effects of sunscreen and Vitamin D absorption but even those of us in the sunny south need to be on the watch.
Same with me being in a sunny climate and being outdoors a lot. I have to take a Vitamin D supplement to keep it normal.
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Old 12-26-2013, 01:40 PM   #42
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Simple question(s).
How much of the vitamin(s) taken as a supplement... pill, injection, food additive etc.... is absorbed by the body?

How is this measured?

Do the blood tests that indicate a deficiency, respond better or faster to vitamin supplements or to foods or activities prescribed to adjust the deficiency?

Studies, other than the subject article?
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Old 12-26-2013, 02:53 PM   #43
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My mother-in-law is a vegan and my wife gets her some B-12 to make sure she is not deficient. Recently, out of curiosity I looked at the label, and holy mackerel, each pill supplies something like 1000X the recommended daily requirement! I asked my wife if she knew if this was really needed. So, we switched to something that was a mere 100X the requirement.
B-12 is poorly absorbed, so it takes a lot. I took 167x at 1000 mcg, and it was sufficient to raise my levels to reasonable but far from excessive levels. I switched from that to a full B-complex supplement with 200 mcg during my last test period and my measured level was again on the low side. I'm now taking both supplements.

My doctor recommended a sublingual version that was supposed to be absorbed better, but it was more expensive than the high dosage tablets.
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Old 12-26-2013, 05:51 PM   #44
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I used to take only a baby aspirin a day and nothing else. Recently, while recovering from surgeries and not having my usual diet, I took a multivitamin pill to make sure I had enough and that was it. Not a vegan, but I normally eat huge amounts of vegetable. My salad plate often looks like what you would feed a family of four. It is not for health reasons as much as I need it as a non-caloric filler to satisfy my voracious appetite and not gain weight (BMI of 23 as I speak).

My mother-in-law is a vegan and my wife gets her some B-12 to make sure she is not deficient. Recently, out of curiosity I looked at the label, and holy mackerel, each pill supplies something like 1000X the recommended daily requirement! I asked my wife if she knew if this was really needed. So, we switched to something that was a mere 100X the requirement.

One of my relatives had vitamin D deficiency that caused her a lot of health problems, until her doctor figured this out. She had been avoiding the sun, and did not spend enough time outdoors. How could one expect vitamin D deficiency in a young person in a place where the sun shines 99% of the time? Obviously, if she had taken a multivitamin pill a day, it would save her from much misery and expenses too.

NW, what were the health problems that were caused by the D deficiency?

Thanks
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Old 12-26-2013, 05:54 PM   #45
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B-12 is poorly absorbed, so it takes a lot. I took 167x at 1000 mcg, and it was sufficient to raise my levels to reasonable but far from excessive levels...
That's interesting, and certainly explains the high-dosage B12 pills on the market. I checked and found that an excess of B12 is not harmful like with some other vitamins.

This brings up a question. Would poor absorption mean more people being deficient without knowing it? To provide the amount as in a daily 1000mcg pill would require eating 2.5lbs of beef!
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Old 12-26-2013, 05:58 PM   #46
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NW, what were the health problems that were caused by the D deficiency?

Thanks
My relative's description was vague, but she complained of chronic fatigue, and generally felt very lousy and sick like having a flu.
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Old 12-28-2013, 11:22 AM   #47
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[IMG][/IMG] Just a test is all for now,....../?
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Old 12-31-2013, 02:22 PM   #48
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I've gone back and forth on this, but right now I'm somewhat pro-vitamin. I take a multi, a magnesium supplement, Vit C and Vit D.

One reason I'm pro is that for a while I would get heart palpitations every day. Some reading suggested that a magnesium (Mg) supplement would help. I tried it, and the palpitations stopped after three days. I wondered whether it was just chance, stopped the Mg, and the palpitations came right back. That was pretty strong support that Mg made a difference for me.

An article on this:

Dear Mark: Are Supplements Useless? | Mark's Daily Apple
More reasonable folks naturally see the totality of evidence as supportive of a more nuanced position: some supplements are good for some people, some are bad for some people, some are good for most.
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Old 01-01-2014, 07:30 AM   #49
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Newsflash, one of the useless vitamins may be good afterall.
BBC News - Vitamin E 'beneficial' in dementia
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Old 01-01-2014, 09:44 AM   #50
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Newsflash, one of the useless vitamins may be good afterall.
BBC News - Vitamin E 'beneficial' in dementia
Yeah, I laughed at that. One day: vitamins useless, Next day: vitamins "cure" Alzheimer's.

It is interesting that in the experiment those taking Vitamin E had slower decline, but those taking Vitamin E plus an Alzheimer's drug did not.
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