does l carnitine reduce fat Beneficial effects of l-carnitine supplementation for weight management in overweight and obese adults: An updated systematic review and dose-response meta-analysis of randomized controlled trials SIRENLABS L-Carnitine Elite Burn Liquid

But the mechanism isn't about spoilage in the traditional microbial sense

Yes, you still have to eat fewer calories than you burn to lose body fat, but that goes for any supplement

Speaking from my own personal experience, in which pain subsided after no more than two weeks of injections, I wouldn't imagine you'd need to repeat this cycle unless you re-injured yourself

1) Richie JP Jr, Leutzinger Y, Parthasarathy S, Malloy V, Orentreich N, Zimmerman JA

Furfural and hydroxy methyl furfural, inhibitors that are present in lignocellulosic hydrolysate act as thiol reactive electrophiles depleting GSH levels in Saccharomyces cerevisiae