This is why some people look at peptide therapy
Dose : 200-400 mcg per day on its own, or 83 mcg per day if combined with myo-inositol Expected Benefits : Less anxiety, better T4 to T3 conversion, lower thyroid antibodies, more energy, less hair loss, fewer palpitations When to Expect to See Benefits : Usually 3 to 5 days for symptoms to start improving, and 3 full months to see a reduction in thyroid antibodies How Long to Take : 3 months to 2 years Special Considerations : Selenium is best utilized when it is formulated with methionine, a sulfur-containing amino acid
Exercise and Muscle Function A 2024 study compared aged sedentary mice, exercised mice, inhibitor-treated mice and mice receiving both interventions
References Hunt A, Harrington D, Robinson S (2014) Vitamin B12 deficiency
I have seen several patients who take vitamin B12 as a supplement who have developed insomnia