When the body experiences intense emotional or physical stress like weight loss it halts non-essential functions like hair growth to preserve nutrients, according to Bard
LeBel CP, Ali SF, McKee M, Bondy SC (1990) Organometal-induced increases in oxygen reactive species: the potential of 2,7-dichlorofluorescin diacetate as an index of neurotoxic damage
These require larger injection volumes to achieve the same dose, which some patients prefer (easier to measure precisely with an insulin syringe) and others dislike (more fluid volume under the skin)
In a In contrast, High levels of carnosine have also been linked to reduced fatigue and improved performance during exercise
Levocarnitine comes as tablets, capsules, chewable tablets, or an oral liquid