Take Vitamin D with largest meal

Helen's picture

Have just read an article, admittedly of a small study of 17 which found that by taking Vitamin D with the largest meal of the day it increased dosage effectiveness by 50%.

Helen.

Comments

Ctefeh's picture

Effectiveness?

Helen,
Does the report say "how" and in what terms "effectiveness" means? I guess where I'm coming from is - is your D level retention greater than popping the pill in the morning or something else? Is the "effectiveness" dosage related that way, or well-being related?

Regards
Sean

Helen's picture

Vitamin D at mealtime

Hi Sean,

I'm going to copy in the article where I got the information from and you can draw your own conclusions. Would point out that it is a small study, and it appears to relate to vitamin D in relation to bone density, nevertheless, the point is about optimal absorption of the vitamin:

Vitamin D Best Taken With Largest Meal of Day, Study FindsShare
Today at 9:13pm

Blood levels increased more than 50% after timing change, researchers say

(HealthDay News) -- Your body may make better use of a vitamin D supplement if you take it with your largest meal, new research suggests.

Researchers at the Cleveland Clinic examined 17 patients with vitamin D deficiency who weren't getting better under treatment. Over a period of two to three months, the patients were told to take vitamin D supplements with the biggest meal they ate each day.

This boosted the level of vitamin D in their blood by an average of 56 percent, the researchers said.

"This is an important finding for patients being treated for vitamin D deficiency," study senior author Dr. Angelo Licata said in a news release from the Cleveland Clinic. "By doing something as simple as changing when you take your vitamin D supplement, you can improve the level in your blood by over 50 percent."

The study was recently published in the Journal of Bone and Mineral Research.

More information

For more about vitamin D, see the U.S. National Library of Medicine.
-- Randy Dotinga

SOURCE: Cleveland Clinic, news release, May 5, 2010

Helen.

wunschy's picture

Vitamins

For years it has been said that you absorb vitamins better if taken with food.

So maybe the amount of food matters.

Barb

KarenH's picture

Vitamin D may reduce breast cancer risk

Hi all,

Just a snippet from something I received this morning that is now suggesting that the incident of breast cancer maybe reduced by Vitamin D.

New findings from L.N. Anderson and co-authors describe advances in breast cancer
A new study, 'Vitamin D and calcium intakes and breast cancer risk in pre- and postmenopausal women,' is now available. "Some evidence suggests that vitamin D may reduce breast cancer risk. Despite the biological interaction between vitamin D and calcium, few studies have evaluated their joint effects on breast cancer risk," scientists in Toronto, Canada report.

"The objective was to evaluate the associations and potential interaction between vitamin D and calcium (from food and supplements) and breast cancer risk in a population-based case-control study.

Breast cancer cases aged 25-74 y (diagnosed 2002-2003) were identified through the Ontario Cancer Registry. Controls were identified by using random digit dialing; 3101 cases and 3471 controls completed epidemiologic and food-frequency questionnaires. Adjusted odds ratios (ORs) and 95% CIs were estimated by using multivariate logistic regression.

Vitamin D and calcium intakes from food only and total combined intakes (food and supplements) were not associated with breast cancer risk, although the mean intake of vitamin D was low. Vitamin D supplement intake <10 microg/d (400 IU/d) compared with no intake was associated with a reduced risk of breast cancer (adjusted OR: 0.76; 95% CI: 0.59, 0.98).

No categories of calcium supplement intake were significantly associated with reduced breast cancer risk, but a significant inverse trend was observed (p=0.04). There were no significant interactions involving vitamin D, calcium, or menopausal status. No associations were found between overall vitamin D or calcium intake and breast cancer risk. Vitamin D from supplements was independently associated with reduced breast cancer risk," wrote L.N. Anderson and colleagues.

The researchers concluded: "Further research is needed to investigate the effects of higher doses of vitamin D and calcium supplements."

Anderson and colleagues published their study in The American Journal of Clinical Nutrition (Vitamin D and calcium intakes and breast cancer risk in pre- and postmenopausal women. The American Journal of Clinical Nutrition, 2010;91(6):1699-707).

Helen's picture

Just another reason to D!

Thanks Karen, for posting this. Is there no end to the charms of this Vitamin Smile.

I've noted work being done in Vitamin D and other cancers and finding a protective effects.

I just wish that they would do the research on MS so that we know what it's role finally is, and what dosage to take.

At the risk of being off topic - which it is! I have switched my fish oil to the Ethical Nutrients one that you recommended, it has higher levels of EPA/DHA than my previous one, and it was the high levels of those that I was looking for - so thanks for that too.

Helen.

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