Hey brother
You mean somthing like this-- (links without http and www because I don't havejet 20 post,I can't to post links)
ceva.com.au/Products/Products-list/L-Carnitine-Injection
Personally I think that L-Carnitine does't work.
I live in Europa,in my country gays don't believe in this stuff,and I have few studies about L-Carnitine but with polish language
I found somethink like this
ncbi.nlm.nih.gov/pubmed/10861338
Of course injection forms can work a little better,but I don't believe this
Himself I used oral forms at various doses and one what can I say about weight loss -that was weight of money that I spent on it