The supplement TRX2, containing L-Carnitine, zinc, niacin, biotin, branched amino acids, and selenium, improved androgenetic alopecia.

“another study looks at the effectiveness food supplement and a hair lotion on the progression of androgenetic alopecia know that they did not use a steak lotion they used a supplement called trx2 which contained L-Carnitine zinc niacin biotin branched amino acids and selenium so again we're seeing many of the same nutrients and this was made into a lotion people could put on their hair or a supplement they would take and in both cases it did improve the progression of androgenetic alopecia and in some cases led to hair regrowth”