Too much or too little of certain hormones, especially cortisol and thyroid hormones, can change the excitability of your nerves (and therefore, your muscles)
Low blood sugar also can occur if you delay or miss a meal or snack, exercise more than usual, drink alcohol, or cannot eat because of nausea or vomiting
Cyanocobalamin, by contrast, requires enzymatic conversion in the liver and tissues to become active
Compounds ship lyophilized with factual storage guidance 20 C long-term, 28 C short-term recorded for the researcher on the certificate
The injections work by correcting deficiency, not by super-charging normal physiology