Clinical Research


Zinc

The effect of exhaustion exercise on thyroid hormones and testosterone levels of elite athletes receiving oral zinc.
https://www.ncbi.nlm.nih.gov/pubmed/16648789


Impact of oral zinc therapy on the level of sex hormones in male patients on hemodialysis.
https://www.ncbi.nlm.nih.gov/pubmed/20446777


Effect of fatiguing bicycle exercise on thyroid hormone and testosterone levels in sedentary males supplemented with oral zinc.
https://www.ncbi.nlm.nih.gov/pubmed/17984944


Effect of zinc administration on plasma testosterone, dihydrotestosterone, and sperm count.
https://www.ncbi.nlm.nih.gov/pubmed/7271365

Magnesium

Effects of magnesium supplementation on testosterone levels of athletes and sedentary subjects at rest and after exhaustion
https://www.ncbi.nlm.nih.gov/pubmed/20352370


Effect of magnesium supplementation on strength training in humans.
https://www.ncbi.nlm.nih.gov/pubmed/1619184

Boron

The effect of boron supplementation on the distribution of boron in selected tissues and on testosterone synthesis in rats
http://www.sciencedirect.com/science/article/pii/0955286396001027


Comparative effects of daily and weekly boron supplementation on plasma steroid hormones and proinflammatory cytokines.
https://www.ncbi.nlm.nih.gov/pubmed/21129941


The effect of boron supplementation on its urinary excretion and selected cardiovascular risk factors in healthy male subjects.
https://www.ncbi.nlm.nih.gov/pubmed/9197924


Effect of dietary boron on mineral, estrogen, and testosterone metabolism in postmenopausal women.
https://www.ncbi.nlm.nih.gov/pubmed/3678698

Ashwagandha

Withania somnifera Improves Semen Quality in Stress-Related Male Fertility.
https://www.ncbi.nlm.nih.gov/pubmed/19789214


A prospective, randomized double-blind, placebo-controlled study of safety and efficacy of a high-concentration full-spectrum extract of ashwagandha root in reducing stress and anxiety in adults.
https://www.ncbi.nlm.nih.gov/pubmed/23439798


A Standardized Withania Somnifera Extract Significantly Reduces Stress-Related Parameters in Chronically Stressed Humans: A Double-Blind, Randomized, Placebo-Controlled Study
http://www.enaonline.org/files/artikel/205/JANA%20Vol.11_May%2031%202008.pdf


Withania somnifera improves semen quality by regulating reproductive hormone levels and oxidative stress in seminal plasma of infertile males.
https://www.ncbi.nlm.nih.gov/pubmed/19501822


Examining the effect of Withania somnifera supplementation on muscle strength and recovery: a randomized controlled trial.
https://www.ncbi.nlm.nih.gov/pubmed/26609282

Efficacy of Withania somnifera on seminal plasma metabolites of infertile males: a proton NMR study at 800 MHz.
https://www.ncbi.nlm.nih.gov/pubmed/23796876


Adaptogenic activity of Withania somnifera: an experimental study using a rat model of chronic stress
http://www.sciencedirect.com/science/article/pii/S0091305703001102


A prospective, randomized double-blind, placebo-controlled study of safety and efficacy of a high-concentration full-spectrum extract of ashwagandha root in reducing stress and anxiety in adults.
https://www.ncbi.nlm.nih.gov/pubmed/23439798

 

Vitamin D3

One study showed that when healthy men supplemented with 3,332ius of vitamin d per day for a year their testosterone levels were 25% higher than that of the participants taking a placebo.

https://www.ncbi.nlm.nih.gov/pubmed/21154195

Tongat Ali

This study on 76 men who suffered from low testosterone found that after just 1 month the men saw a 46% increase in testosterone and 90% of all participants were able to get their testosterone levels back into a normal healthy range.

https://www.ncbi.nlm.nih.gov/pubmed/21671978

 

Fenugreek

Men who trained regularly and consumed 500 mg of Fenugreek per day noticed a slight testosterone increase, increased strength and a reduction in body fat.

https://www.ncbi.nlm.nih.gov/pubmed/21116018

 

L-Citrulline and Arginine

https://www.ncbi.nlm.nih.gov/pubmed/21067832

 

https://www.ncbi.nlm.nih.gov/pubmed/25445598/

 

https://www.ncbi.nlm.nih.gov/pubmed/17662090/

 

https://www.ncbi.nlm.nih.gov/pubmed/12145119

 

https://www.ncbi.nlm.nih.gov/pmc/ar

https://www.ncbi.nlm.nih.gov/pubmed/21195829

https://www.ncbi.nlm.nih.gov/pubmed/26023227articles/PMC4818739/

 

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