Protocols commonly use 200500 mcg subcutaneously, once or twice daily, in 46 week cycles, but there is no FDA-approved product or official dosing
You can order 12 small 10ml ampules (a year-long supply for our B12 vials), for $35
If you are eligible, you may be able to get free Rybelsus, Ozempic, or Trulicity
In fact, in one study, published in the journal Medicine & Science in Sport & Exercise, L-carnitine was shown to significantly increase testosterone (androgen) receptor concentration after only 21 days of supplementation in resistance-trained men
Chronic joint/tendon issues: 68 weeks may be appropriate
Usually, 1000 mcg (1 mg) is given, but it might be adjusted for each person