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Vitamin D supplementation, body weight and human serum 25-hydroxyvitamin D response: a systematic review.
Zittermann A, Ernst JB, Gummert JF, Börgermann J. Zittermann A, et al. Eur J Nutr. 2014;53(2):367-74. doi: 10.1007/s00394-013-0634-3. Epub 2013 Dec 1. Eur J Nutr. 2014. PMID: 24292820 Review.
METHODS: We performed a systematic review of randomized placebo-controlled vitamin D supplementation trials in all age groups ≥10 years to clarify the influence of body weight and other parameters on incremental circulating 25OHD levels (difference between baseline and in- …
METHODS: We performed a systematic review of randomized placebo-controlled vitamin D supplementation trials in all age groups ≥10 yea …
Seasonal variations in vitamin D status and calcium absorption do not influence bone turnover in young women.
Zittermann A, Scheld K, Stehle P. Zittermann A, et al. Eur J Clin Nutr. 1998 Jul;52(7):501-6. doi: 10.1038/sj.ejcn.1600591. Eur J Clin Nutr. 1998. PMID: 9683332
RESULTS: As estimated by a 4 d food record, both groups had similar dietary calcium and phosphorus intakes (> 1200 mg/d, respectively) covering actual recommendations. ...CONCLUSIONS: Our data indicate a decrease in intestinal calcium and phosphorus absorption du …
RESULTS: As estimated by a 4 d food record, both groups had similar dietary calcium and phosphorus intakes (> 1200 mg/d, respectiv …
Wheat bran supplementation does not affect biochemical markers of bone turnover in young adult women with recommended calcium intake.
Zittermann A, Scheld K, Danz A, Stehle P. Zittermann A, et al. Br J Nutr. 1999 Dec;82(6):431-5. Br J Nutr. 1999. PMID: 10690158 Clinical Trial.
Subjects received six wheat bran biscuits or six white flour biscuits per day for a period of 4 weeks (crossover). Wheat bran consumption increased fibre intake from 17.7 (SE 1.3) to 29.6 (SE 1.3) g/d (7 d food record) and enhanced P intake from 1225 (SE 59) mg/d to 1663 ( …
Subjects received six wheat bran biscuits or six white flour biscuits per day for a period of 4 weeks (crossover). Wheat bran consump …
Effects of vitamin K on calcium and bone metabolism.
Zittermann A. Zittermann A. Curr Opin Clin Nutr Metab Care. 2001 Nov;4(6):483-7. doi: 10.1097/00075197-200111000-00003. Curr Opin Clin Nutr Metab Care. 2001. PMID: 11706280 Review.
The K vitamins, a group of napthoquinones, are required for the carboxylation of a limited number of proteins including the bone matrix protein osteocalcin. ...Epidemiological studies provide evidence for an association between a low vitamin K intake and an e …
The K vitamins, a group of napthoquinones, are required for the carboxylation of a limited number of proteins including the bo …
Evidence for an acute rise of intestinal calcium absorption in response to aerobic exercise.
Zittermann A, Sabatschus O, Jantzen S, Platen P, Danz A, Stehle P. Zittermann A, et al. Eur J Nutr. 2002 Oct;41(5):189-96. doi: 10.1007/s00394-002-0375-1. Eur J Nutr. 2002. PMID: 12395212 Clinical Trial.
METHODS: With the use of a cross over design, eighteen male athletes, aged 25.2 (SE 0.6) years, either had to perform a 60 min run (70 % of maximal speed) or had to rest for 60 min. Intestinal Ca absorption (Fc(240)) was assessed by the use of a stable stront …
METHODS: With the use of a cross over design, eighteen male athletes, aged 25.2 (SE 0.6) years, either had to perform a 60 min …
Low vitamin D status: a contributing factor in the pathogenesis of congestive heart failure?
Zittermann A, Schleithoff SS, Tenderich G, Berthold HK, Körfer R, Stehle P. Zittermann A, et al. J Am Coll Cardiol. 2003 Jan 1;41(1):105-12. doi: 10.1016/s0735-1097(02)02624-4. J Am Coll Cardiol. 2003. PMID: 12570952

In a nonlinear regression analysis 25-hydroxyvitamin D and calcitriol were inversely correlated with NT-proANP (r(2) = 0.16; p < 0.001 and r(2) = 0.12; p < 0.01, respectively). ...CONCLUSIONS: The low vitamin D status can explain alterations in mineral metabolism as

In a nonlinear regression analysis 25-hydroxyvitamin D and calcitriol were inversely correlated with NT-proANP (r(2) = 0.16; p < 0

Vitamin D in preventive medicine: are we ignoring the evidence?
Zittermann A. Zittermann A. Br J Nutr. 2003 May;89(5):552-72. doi: 10.1079/BJN2003837. Br J Nutr. 2003. PMID: 12720576 Review.
Vitamin D is metabolised by a hepatic 25-hydroxylase into 25-hydroxyvitamin D (25(OH)D) and by a renal 1alpha-hydroxylase into the vitamin D hormone calcitriol. ...There is now general agreement that a low vitamin D status is involved in the pathogenesis of o …
Vitamin D is metabolised by a hepatic 25-hydroxylase into 25-hydroxyvitamin D (25(OH)D) and by a renal 1alpha-hydroxylase into …
Carbamazepine does not alter biochemical parameters of bone turnover in healthy male adults.
Brämswig S, Zittermann A, Berthold HK. Brämswig S, et al. Among authors: zittermann a. Calcif Tissue Int. 2003 Oct;73(4):356-60. doi: 10.1007/s00223-002-0018-9. Epub 2003 Jul 24. Calcif Tissue Int. 2003. PMID: 12874705
The study was performed from December 1997 until September 1998 at a geographic latitude of 51 degrees N. Blood samples were collected before treatment (t1), 33 days (SE 2.5) after starting treatment (t2), and 70 days (SE 3.6) after starting treatment (t3). ...Serum concen …
The study was performed from December 1997 until September 1998 at a geographic latitude of 51 degrees N. Blood samples were collecte …
Serum 25-hydroxyvitamin D response to oral vitamin D intake in children.
Zittermann A. Zittermann A. Am J Clin Nutr. 2003 Sep;78(3):496-7. doi: 10.1093/ajcn/78.3.496. Am J Clin Nutr. 2003. PMID: 12936937 Clinical Trial. No abstract available.
Body mass index and disease duration are predictors of disturbed bone turnover in anorexia nervosa. A case-control study.
Weinbrenner T, Zittermann A, Gouni-Berthold I, Stehle P, Berthold HK. Weinbrenner T, et al. Among authors: zittermann a. Eur J Clin Nutr. 2003 Oct;57(10):1262-7. doi: 10.1038/sj.ejcn.1601683. Eur J Clin Nutr. 2003. PMID: 14506487
RESULTS: Patients had a lower BMI, lower fat mass, lower fat-free mass and lower muscle mass (MM) compared to the controls (all P values <0.001). ...There was a nonlinear association between BMI and the CTx/osteocalcin ratio of r=-0.72 (P<0.001) in the AN pati …
RESULTS: Patients had a lower BMI, lower fat mass, lower fat-free mass and lower muscle mass (MM) compared to the controls (all P val …
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