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Young white children helped by 1500 IU of vitamin D – Jan 2019

Effect of vitamin D3 seasonal supplementation with 1500 IU/day in north Italian children (DINOS study).

Ital J Pediatr. 2019 Jan 28;45(1):18. doi: 10.1186/s13052-018-0590-x.

VitaminDWiki

1500 IU is not enough for children who are:

  1. Older (have larger bodies)
  2. Dark Skinned
  3. Overweight
  4. Indoors much of the time

Latitude of 45 degrees = North Italy = Minneapolis, Minn.
Infant-Child category starts with

Having a good level of vitamin D cuts in half the amount of:

Need even more IUs of vitamin D to get a good level if;

  • Have little vitamin D: premie, twin, mother did not get much sun access
  • Get little vitamin D: dark skin, little access to sun
  • Vitamin D is consumed faster than normal due to sickness
  • Older (need at least 100 IU/kilogram, far more if obese)
  • Not get any vitamin D from formula (breast fed) or (fortified) milk
    Note – formula does not even provide 400 IU of vitamin D daily

Infants-Children need Vitamin D

  • Sun is great – well known for 1,000’s of years.
    US govt (1934) even said infants should be out in the sun
  • One country recommended 2,000 IU daily for decades – with no known problems
  • As with adults, infants and children can have loading doses and rarely need tests
  • Daily dose appears to be best, but monthly seems OK
  • Vitamin D is typically given to infants in the form of drops
       big difference in taste between brands
       can also use water-soluable form of vitamin D in milk, food, juice,
  • Infants have evolved to get a big boost of vitamin D immediately after birth
    Colostrum has 3X more vitamin D than breast milk - provided the mother has any vitamin D to spare
  • 100 IU per kg of infant July 2011, Poland etc.
    1000 IU per 25 lbs.jpg
    More than 100 IU/kg is probably better

Getting Vitamin D into infants

Many infants reject vitamin D drops, even when put on nipple
I speculate that the rejection is due to one or more of: additives, taste, and oils.
Infants have a hard time digesting oils, 1999  1997   and palm oils W.A. Price 1 2 3
Coconut oil, such as in D-Drops, is digested by infants. 1,   2   3
Bio-Tech Pharmacal Vitamin D has NO additves, taste, oil
One capsule of 50,000 Bio-Tech Pharmacal Vitamin D could be stirred into monthly formula
   this would result in ~1,600 IUs per day for infant, and higher dose with weight/age/formula consumption

 Download the PDF from VitaminDWiki
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Mazzoleni S1, Magni G2,3, Toderini D4.
1 Primary Care Paediatrician Azienda ULSS 6 Euganea Regione Veneto, Polistudio Pediatrico, via D'Annunzio 3/A, Piove di Sacco, Padova, Italy. stefano.mazzoleni at aulss6.veneto.it.
2 Senior Biostatistician, NRC Azienda Ospedaliera Padova, Padova, Italy.
3 Unità di Ricerca Clinica, Istituto Oncologico Veneto, Padova, Italy.
4 Endocrinologist and General Practitioner Azienda ULSS 6 Euganea Regione Veneto, Studio via Benizzi 6, Padova, Italy.

BACKGROUND:
The appropriate dose of vitamin D supplementation in children is still debated. We calculated that the recommended dose of 600-1000 IU vitamin D3/day is not sufficient to reach a serum 25-hydroxyvitamin D (25-OH-D) level of at least 30 ng/ml (75 nmol/l) in north Italian children > 12 months. The aim of this study was to analyse the effect of seasonal supplementation with 1500 IU (=37.5 μg) vitamin D3/day.

METHODS:
DINOS (D-vitamIN Oral Supplementation) study was a pilot, monocentric, non-random case-control register study. It was conducted in a paediatric primary care setting near Padova (North Italy, 45°N latitude). The data of 203 children (girls:boys 1:1,33) aged 2-15 years, collected between November 2010 and January 2015, were analysed. Active group A (n = 82) were given 1500 IU vitamin D3/day from November to April; control Group B (n = 121) received no supplementation. The serum 25-OH-D test was part of a laboratory tests panel and performed using a chemiluminescence immunoassay method.

RESULTS:
Serum 25-OH-D mean level + standard deviation throughout the period was 32 + 13 ng/ml (80 + 32 nmol/l) in group A vs 22 + 10 ng/ml (55 + 25 nmol/l) in group B. In group A 12% had vitamin D deficiency 25-OH-D < 20 ng/ml (50 nmol/l) and 1.2% severe vitamin D deficiency 25-OH-D < 10 ng/ml (25 nmol/l). In group B 46% had vitamin D deficiency and 9% severe deficiency (P <  0.001). In group A mean levels were normal or near-normal all the year except in May. Group B reached mean 25-OH-D levels close to 30 ng/ml (75 nmol/l) only in late summer. The active group mean 25-OH-D level was normal in preschoolers and schoolers but not in adolescents. Non-white children had a three-times vitamin D deficiency probability despite supplementation.

CONCLUSIONS:
Vitamin D supplementation with at least 1500 IU vitamin D3/day from November to April was found appropriate for children in North Italy. A prolongation until May could be useful. Higher doses and/or prolonged periods could be more appropriate especially in adolescents and in non-white children.

Attached files

ID Name Comment Uploaded Size Downloads
11298 Age.jpg admin 30 Jan, 2019 13:30 28.45 Kb 36
11297 1500 IU F1.jpg admin 30 Jan, 2019 13:30 22.81 Kb 30
11296 1500 IU.pdf PDF 2019 admin 30 Jan, 2019 13:29 1.12 Mb 13
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