pqq + acetil l-carnitina + ácido r-lipoico NOW Foods Supplements, 40 mg with 200 mg Alpha Lipoic Acid, Extra Strength, 50 Veg Capsules : Health & Household Protocol For Life Balance -

Trusted by professional estheticians for 20+ years, SlimSpa's L-Carnitine Vials deliver pharmaceutical-grade L-Carnitine in sterile sealed 10ml vials formulated for professional delivery via electroporation, mesotherapy, microneedling, ultrasound, and body wrap protocols

2-3 weeks Time to notice effects Most patients report noticeable improvements in energy levels and workout capacity within 2-3 weeks of starting injectable L-Carnitine treatment

L Carnitine is also consumed through food products

10.1038/s41582-022-00763-1 Nat

if you are someone looking for just cutting your fat, this would probably not work since l carnitine requires insulins spikes to reach your muscle tissues

doi:10.1001/jama.291.1.47 Mirer AG, Peppard PE, Palta M, Benca RM, Rasmuson A, Young T