Nutritional supplements are popular among athletes participating in a wide variety of sports. Creatine is one of the most commonly used dietary supplements, as it has been shown to be beneficial in improving performance during repeated bouts of high-intensity anaerobic activity. This review examines the specific effects of creatine supplementation on swimming performance, and considers the effe...

Daily vitamin D supplementation is recommended for breastfed infants, but alternative methods include enriching breast milk with vitamin D through maternal supplementation or intermittent high-dose vitamin D. We determined maternal preferences for vitamin D supplementation in 140 mothers with exclusively breastfed infants, and 44 who used both breast and formula milk. Only 101 (55%) supplemente...

BACKGROUND AND OBJECTIVE Insufficient iron levels for optimal fetal and infant development is a concern during pregnancy and infancy. The goal of this study was to assess the effects of iron supplementation in pregnancy and/or infancy on motor development at 9 months. METHODS The study was a randomized controlled trial (RCT) of infancy iron supplementation linked to an RCT of pregnancy iron s...

background: iron deficiency anemia is one of the major causes of morbidity and mortality worldwide. evidences from epidemiological and clinical studies suggest a possible correlation between antioxidant levels and the anemic disease risk. the present work is to investigate antioxidant levels and lipid peroxidation in anemic patients. methods: a number of 30 patients (15 males and 15 females) we...

background: eurycoma longifolia jack (elj) has been shown to elevate serum testosterone and increased muscle strength in humans. this study investigated the effects of physta® a standardized water extract of elj (400 mg/day for 6 weeks) on testosterone: epitestosterone (t:e) ratio, liver and renal functions in male recreational athletes. methods: a total of 13 healthy male recreational athletes...

this study was conducted to investigate the effects of different levels of zinc sulfate and chromium picolinate on performance, body temperature, carcass characteristics, tibia ash and serum biochemical parameters of japanese quails under heat stress condition. the birds (n = 540; 7-d-old) were randomly assigned to 9 treatment groups consisting of 3 replicates of 20 birds each in a 3 × 3 factor...