It is not restricted, and many brands are available on the Internet. The use of injected oil to enhance muscle appearance is common among bodybuilders, despite the fact that synthol can cause pulmonary embolisms, nerve damage, infections, sclerosing lipogranuloma, stroke, and the formation of oil-filled granulomas, cysts or ulcers in the muscle.
There are no limitations on its use, and numerous brands can be found online. Bodybuilders often utilize injected oil to improve muscle appearance, although synthol poses significant health risks, such as pulmonary embolisms and nerve damage.