Blood tests may be arranged to check testosterone levels (repeated in the morning), glucose, lipids, thyroid function, and sometimes LH/FSH and prolactin
The two studies have not yet been published in a peer-reviewed scientific journal
10.1038/s41467-019-09234-6 99 ZhuX.HeZ.WuJ.YuanJ.WenW.HuY.et al (2012)
A deficiency can also result from not getting enough B12 in what you eat due to various food restrictions
pH Sensitive Copper(II) ion dissociates from the GHK complex below pH 5
benzoates and propionates), MSG) Poor diet: high sugar and refined carbohydrates, low protein, low essential fatty acid, low fruit and vegetables Dietary stimulants Maternal stress, drug, alcohol and cigarette use Premature birth or oxygen deprivation at birth Heavy metal toxicity (especially exposure to lead in early life) Chemical exposure (especially organophosphate pesticides) Hypoglycaemia Family dysfunction, neglect and abuse Overstimulation from electronic screens Treating Attention Deficit Hyperactivity Disorde r The conventional medical treatment for ADHD is often pharmaceutical drugs such as methylphenidate (Ritalin), the amphetamine Adderall or the antidepressants bupropion and venlafaxine
