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Low fat milk provides 2.5 times less vitamin D – May 2016

Higher milk fat content is associated with higher 25-hydroxyvitamin D concentration in early childhood.

Appl Physiol Nutr Metab. 2016 May;41(5):516-521. Epub 2016 Jan 13.
Vanderhout SM1,2,3, Birken CS4,5,6,7, Parkin PC4,5,6,7, Lebovic G3,7, Chen Y3, O'Connor DL1, Maguire JL1,2,3,4; TARGetKids! Collaboration.
1a Department of Nutritional Sciences, University of Toronto, Room 316, 150 College Street, Toronto, ON M5S 3E2, Canada.
2b Department of Pediatrics, St. Michael's Hospital, 2nd Floor, 61 Queen Street East, Toronto, ON M5C 2T2, Canada.
3c Li Ka Shing Knowledge Institute, St. Michael's Hospital, 209 Victoria Street, Toronto, ON M5B 1T8, Canada.
4d Department of Paediatrics, University of Toronto, The Hospital for Sick Children, Room 1436D, 555 University Avenue, Toronto, ON M5G 1X8, Canada.
5e Division of Paediatric Medicine and the Paediatric Outcomes Research Team, The Hospital for Sick Children, 555 University Avenue, Toronto, ON M5G 1X8, Canada.
6f Child Health Evaluative Sciences, The Hospital for Sick Children, Peter Gilgan Centre for Research and Learning, 11th floor, 686 Bay Street, Toronto, ON M5G 0A4, Canada.
7g Institute of Health Policy, Management and Evaluation, University of Toronto, 4th Floor, 155 College Street, Toronto, ON M5T 3M6, Canada.

VitaminDWiki

Bought the PDF. The science seems OK
Many (but not all) studies have found that you need to take Vitamin D with a fatty meal
If true, this might account for association between obesity and drinking skim milk
Wonder if it is because skim milk has more sugar
Wonder how many studies have failed to consider differences between skim and whole milk
Note: Vitamin D which is water soluble can fortify any kind of milk, juice, water, etc.
For example: 10,000 IU of vitamin D powder added to a gallon would add 625 IU per cup

Study also states: 2X more likely to be vitamin D deficient if drink 1% milk
Wonder how much more of a decline (3x?) if drink non-fat milk

History of US Milk Consumption
Image

See also VitaminDWiki

See also web


Current guidelines for cow's milk consumption in children older than age 2 years suggest 1% or 2% milk to reduce the risk of obesity. Given that milk is the main dietary source of vitamin D for North American children and that vitamin D is fat soluble, we hypothesized 25-hydroxyvitamin D (25(OH)D) concentration to be positively associated with the fat content of milk. The objective was to determine the relationship between the fat content of milk consumed and the serum 25(OH)D concentration; our secondary objective was to explore the role that the volume of milk consumed played in this relationship. We completed a cross-sectional study of children aged 12-72 months in the TARGetKids! research network. Multivariable linear regression was used to test the association between milk fat content and child 25(OH)D, adjusted for clinically relevant covariates. The interaction between volume of milk and fat content was examined. Two thousand eight hundred fifty-seven children were included in the analysis.

The fat content of milk was positively associated with 25(OH)D (p = 0.03), and the interaction between the volume of milk consumed and the milk fat content was statistically significant (p = 0.005).

Children who drank 1% milk needed 2.46 cups (95% confidence interval (CI) 2.38-2.54) of milk to have a 25(OH)D concentration similar to that of children who drank 1 cup of homogenized milk (3.25% fat).
Children who consumed 1% milk had 2.05 (95% CI 1.73-2.42) times higher odds of having a 25(OH)D concentration <50 nmol/L compared with children who consumed homogenized milk. In conclusion, recommendations for children to drink lower-fat milk (1% or 2%) may compromise serum 25(OH)D levels and may require study to ensure optimal childhood health.

PMID: 27138972

Publisher wants $30 for the PDF

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