This amino acid is synthesized in the liver and kidneys from the amino acids lysine and methionine and is stored in muscles, the heart, the brain, and other tissues
These mostly hydrophilic modifications have yielded cyclodextrin derivates highly suitable for parenteral administration [Cyclodextrins used as excipients, 2017, EMA/CHMP/333892/2013, Committee for Human Medicinal Products (CHMP)]
Unlike protein powders or NSAIDs, these compounds promote tissue remodeling, angiogenesis, and muscle regeneration making them unique tools for athletes and hard-training individuals
Subsequent injections, if youve not reacted, are highly unlikely to suddenly cause an allergy, but maintain caution
doi: 10.1016/bs.pbr.2020.01.002 39 LesageS.BriceA
(2023) 89:e0097923