The hypothalamus–pituitary–thyroid feedback control is a dynamic, adaptive system. In
situations of illness and deprivation of energy representing type 1 allostasis, the stress …

Introduction As men age, progressive testosterone deficiency syndrome becomes an
increasingly common problem. However, the decreased testosterone levels are not only the …

Abstract Background/Aims: Zinc is crucial for proper thyroid hormone metabolism; zinc
deficiency may result in decreased thyroid hormone levels and resting metabolic rate …

OBJECTIVE: The aim of this study was to determine how exercise affects thyroid hormones
and testosterone levels in sedentary men receiving oral zinc for 4 weeks. METHODS: The …

Objectives: To investigate whether the administration of the zinc-containing nutritional
supplement ZMA causes an increase of serum testosterone levels, which is an often claimed …

Zinc and selenium are essential minerals and have roles for more than 300 metabolic
reactions in the body. The purpose of this study was to investigate how exhaustive exercise …

Nutritional Supplements in Sport, Exercise and Health is the most up-to-date and
authoritative guide to dietary supplements, ergogenic aids and sports nutrition foods …

The aim of the present study was to elucidate whether the recovery from muscle injury is
impaired in marginal zinc deficiency. C57BL/6 male mice were fed a marginally zinc …

Observational research suggests that micronutrients may be protective for sarcopenia, a key
health issue during ageing, potentially via effects on hormone synthesis and metabolism …

Aim. The purpose of this study, it has been aimed to examine the effects of zinc
supplementation applied with weight trainings on the testosterone levels in sedentary …