why b12 injections instead of pills B12 Shots: Benefits, Uses, Safety, Cost & How They Work Sublingual B12 vs. B12 Injections:

These studies show that people with higher levels of vitamin D have a lower risk of disease, although they do not definitively prove that lack of vitamin D causes disease or that vitamin D supplements would lower risk

Neither A study among elderly men engaged in strength training compared the effects of supplementing with whey protein, casein protein, or neither

B vitamins and folic acid

Hair quality changes are typically noticed around the end of the first cycle

Please note I'm not a medical expert - just my personal experience

Milliplex Map Kit (HSTCMAG-28SK, Human High Sensitivity T cell Magnetic Bead Panel, was purchased from Merck Millipore (USA)