Studies monitoring vitamin D status in athletes are seldom conducted for a period of 12 months or longer, thereby lacking insight into seasonal fluctuations. The objective of the cur-rent study was to identify seasonal changes in total 25-hydroxyvitamin D (25(OH)D) concen-tration throughout the year. …

The use of nutritional supplements is highly prevalent among athletes. In this cross-sectional study, we assessed the prevalence of nutritional supplement use by a large group of Dutch competitive athletes in relation to dietary counseling. A total of 778 athletes (407 males and 371 females) completed …

Vitamine D deficiëntie komt voor bij zowel kinderen als volwassenen. Deficiëntie kan leiden tot verschillende ziektes, onder andere misvormingen van het skelet en groeiachterstanden (bij kinderen), osteomalacie en spierverzwakking. Een analysemethode voor vitamine D zonder het gebruik van een massaspectrometer …

Doelstelling: Diabetische retinopathie (DRP) is een veel voorkomende complicatie bij diabetes. Deze kan zich uiten door micro-aneurysmata, exsudaten, neovascularisatie en maculaoedeem. Dit kan blindheid tot gevolg hebben. Er zijn een aantal risicofactoren die invloed hebben op de ontwikkeling van DRP, …

Studies monitoring vitamin D status in athletes are seldom conducted for a period of 12 months or longer, thereby lacking insight into seasonal fluctuations. The objective of the cur-rent study was to identify seasonal changes in total 25-hydroxyvitamin D (25(OH)D) concen-tration throughout the year. …

BACKGROUND: Intentional weight loss in obese older adults is a risk factor for muscle loss and sarcopenia. OBJECTIVE: The objective was to examine the effect of a high whey protein-, leucine-, and vitamin D-enriched supplement on muscle mass preservation during intentional weight loss in obese older …

OBJECTIVES: To compare the dietary intakes of Dutch nutrition and dietetics students with the Dutch RDA and the Dutch National Food Consumption Survey (DNFCS), and to assess whether dietary intake changes during education.DESIGN: Cross-sectional and longitudinal research (2004-2010).SETTING: Data collection …

In this report, benefits (preventing neural tube defects and folate deficiency), risks (masking vitamin B(12) deficiency), and uncertain effects (risk of colon cancer) of folic acid supplementation and fortification have been weighted. On the basis of the available evidence, the Health Council of the …

Tomato (Lycopersicon esculentum) is one of the important vegetables in Rwandese diet, since it is rich in health valued food components such as carotenoids (Lycopene), ascorbic acid (Vitamin C), vitamin E, folate and dietary fibers. The post harvest loss in tomatoes has been estimated to be about 20-30% …