Correcting a genuine deficiency may help you feel more energetic, and any weight benefit typically comes indirectly from feeling well enough to be more active, not from the injection itself
L-carnitine is also suitable for sensitive skin, as no reports of redness, irritation, or itching have been recorded after topical application of a product containing this ingredient
doi:10.1054/ghir.1999.9998 Greenwood-Van Meerveld B, Tyler K, Mohammadi E, Pietra C
Yes, it helps reduce pigmentation and fade UV spots.
Conclusion Taken together, ample evidence from animal and human studies in hypertension shows a clear association with increased vascular oxidative stress, attributable to the activation of several ROS sources including Nox, xanthine oxidase, mitochondrial respiratory chain and uncoupled eNOS
And then the practical question