While supplementing with large doses of B12 will reduce MMA levels more than will smaller doses, there are no clear benefits (more info in Appendix A
Specifically, it has been shown that sialic acid, the principal source of membrane negative charge, is lost from membranes of high-density red cells and the total surface negative charge is reduced
Some weight regain is common, especially if old eating habits reemerge
Not all methods of birth control become effective immediately, please discuss your chosen method with a healthcare professional or consult the patient information leaflet to ensure you are effectively covered
2022 (atherosclerosis RCT): A clinical trial in 157 individuals aged 5875 with metabolic syndrome who received 1 g L-carnitine or placebo twice daily for 6 months found that total cholesterol and LDL cholesterol levels were higher in participants taking L-carnitine
Why not cite a source a bit more authoritative and less salacious like the UKs MHRA