The treating clinician determines injection pattern, depth, interval, treated area, and whether the product fits the patients anatomy, history, goals, and risk profile
PMC6271067 Hsieh, M.J., et al
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The manufacturer's in vivo study of 45 volunteers found 1% and 2.5% reduced the appearance of wrinkles by 7% and 12% respectively, after using it twice daily for 84 days
Another study also reported insignificant differences in free carnitine, total carnitine, and total acylcarnitine concentrations between the chronic fatigue syndrome patients and the healthy controls [30]
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