Studies related to Serum T4 and Zinc

Effect Of Fatiguing Bicycle Exercise On Thyroid Hormone And Testosterone Levels In Sedentary Males Supplemented With Oral Zinc

Effect Increase
Trial Design Double blind
Trial Length 2-4 Weeks
Number of Subjects 10
Gender Both Genders
Age Range 18-29
Body Types Average
Notes for this study:
Supplementation of 3mg/kg zinc sulphate daily to sedentary persons who are subject to cycling is able to prevent the reductions seen in circulating androgens and thyroid hormones that occurred with placebo treatment.

The Effect Of Exhaustion Exercise On Thyroid Hormones And Testosterone Levels Of Elite Athletes Receiving Oral Zinc

Effect Increase
Trial Design Double blind
Trial Length 2-4 Weeks
Number of Subjects 10
Gender Male
Age Range 13-17, 18-29
Body Types Trained, Average
Notes for this study:
4 weeks supplementation of 3mg/kg zinc sulfate to elite wrestlers was able to preserve circulating testosterone and thyroid hormone concentrations, which declined in placebo due to the exhaustive workload.