Vitamin D3 supplements

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Shorty
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Vitamin D3 supplements

Postby Shorty » Thu Dec 13, 2018 9:50 am

Vitamin D3 supplements are becoming more popular especially in Winter to make up for reduced sun exposure. Here is some info to consider:

https://www.drweil.com/vitamins-supplem ... vitamin-d/
Last edited by Shorty on Thu Dec 13, 2018 3:43 pm, edited 1 time in total.

gargantua
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Re: Vitamin D supplements

Postby gargantua » Thu Dec 13, 2018 10:34 am

I take 2000 IU from March to October and 4000 the remainder of the year.

Shorty
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Re: Vitamin D supplements

Postby Shorty » Thu Dec 13, 2018 3:42 pm

2,000 to 4,000 IU daily seems high but I'm no expert. I know too much D can be toxic but it has to be a lot. I'm starting with 800 IU daily for Winter only.

"According to the National Institutes of Health (NIH), the daily Adequate Intake (AI) for adults is 5 mcg (200 IU) daily for males, female, and pregnant/lactating women under the age of 50. People 50 to 70 years old should get 10 mcg daily (400 IU) daily, and those over 70 should get 15 mcg daily (600 IU). Based on recent research, Dr. Weil recommends 2,000 IU of vitamin D per day. Look for supplements that provide D3 (cholecalciferol) rather than D2 (ergocalciferol). Anyone with vitamin D deficiencies should discuss intake levels with his or her physician."

gargantua
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Re: Vitamin D3 supplements

Postby gargantua » Thu Dec 13, 2018 3:50 pm

4000 is on the high side, Shorty. But my doctor is aware of it, and has no concerns. I know he pays attention because he told me to stop wasting my money on fish oil a few years ago.

Henry Vilas
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Re: Vitamin D3 supplements

Postby Henry Vilas » Thu Dec 13, 2018 4:43 pm

I eat enough cheese, eggs and have a glass of fortified (skim) milk with dinner so that I don't worry about meeting my vitamin D requirement. Although I admit not getting as much sun as in my youth, I also don't fret about getting rickets.

Madsci
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Re: Vitamin D3 supplements

Postby Madsci » Thu Dec 13, 2018 8:48 pm

As a women over 60 with osteoporosis in my family tree, I take 400 IU in winter and other days that the sun doesn't shine. Calcium uptake is dependent on Vit D3. When it's warm enough to show some skin, my body can produce Vit D naturally in my hours outside tending the livestock and garden.
I have lost 1/4 inch in height and I am already vertically challenged.

Ducatista
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Re: Vitamin D3 supplements

Postby Ducatista » Fri Dec 14, 2018 9:04 am

If you're the least bit concerned about your D levels, why guess? Get tested.

I found out I was below the sufficient range for Vitamin D a couple years ago. My PA recommended 4,000IU D3/day for four months, after which I got retested and was STILL under. Bumped up to 10,000IU at my PA's recommendation and finally cracked the low end at my next test.

After that I settled into garg's rhythm of 2,000IU/day most of the year, 4,000IU during the Dark Months.

I got tested again last week and my 25-OH value is just above the top of the sufficient range. No harm to stay at that level, but I don't want to overspend on vitamins, so I'm going to drop back down to 2,000IU this winter, get retested in the spring, and adjust from there.

Cadfael
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Re: Vitamin D3 supplements

Postby Cadfael » Fri Dec 14, 2018 10:20 am

Ducatista wrote:If you're the least bit concerned about your D levels, why guess? Get tested.

What's that cost?

Ducatista
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Re: Vitamin D3 supplements

Postby Ducatista » Fri Dec 14, 2018 12:10 pm

Cadfael wrote:What's that cost?

For me: free.

Insurance will often cover a doctor-ordered test, and Amazon sells a test kit for under $50.

I don't think everybody should run out and spend $$ on a test, but people who have reason to be concerned, like Madsci, can find out their levels pretty easily.

Madsci
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Re: Vitamin D3 supplements

Postby Madsci » Fri Dec 14, 2018 3:45 pm

Ducatista wrote:
Cadfael wrote:What's that cost?

For me: free.

Insurance will often cover a doctor-ordered test, and Amazon sells a test kit for under $50.

I don't think everybody should run out and spend $$ on a test, but people who have reason to be concerned, like Madsci, can find out their levels pretty easily.


My tested blood sample showed I was borderline normal so I take a lower dose. I wouldn't put my trust in an Amazon test kit.

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Re: Vitamin D3 supplements

Postby david cohen » Fri Dec 14, 2018 4:11 pm

2 summers ago, I took a nasty tick bite while up in Door County and within days, was extremely lethargic and slept about 18 hours per day. Several blood tests ruled out the usual tick-borne diseases, but a Vitamin D test indicated a severe deficiency, so I went on 50,000 IU per week for 3 months, then backed down to 3000 IU per day. I am barely in the lower part of the normal range now, and continue to take 2000 IU daily of D3. My Infectious Disease doctor pal says that really low Vitamin D levels likely precluded my immune system from fighting whatever the tick gave me, but that levels as low as mine are also associated with general malaise. I feel much better now! He also said the whole sunlight thing is over rated in the upper midwest because we simply don't have the solar intensity to make much of a difference. 400 miles south, absolutely makes a difference. So yeah, most of us in these parts should take a Vitamin D3 supplement.

Ducatista
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Re: Vitamin D3 supplements

Postby Ducatista » Fri Dec 14, 2018 4:28 pm

Madsci wrote:I wouldn't put my trust in an Amazon test kit.

Yeah? If I didn't have free testing and was worried about my levels, I wouldn't rule it out without checking its reported accuracy.


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