[82] Drug development history [edit] Genentech pioneered the use of recombinant human growth hormone for human therapy, which was approved by the FDA in 1985
Zugravu CA, Macri A, Belc N et al
Vitamin B12 deficiency is one of the most common nutrient deficiencies in the world, especially for vegetarians, vegans and people with health conditions such as Crohns Disease or Celiac Disease which makes it hard to absorb nutrients
This gap comes down to rent, staffing, and the "luxury" experience
High-dose oral B12 supplements are available over the counter for a few dollars per month, while injection visits typically involve copays, administration fees, and the time cost of repeated clinic appointments
Improved Skin, Hair, and Nails : B12 promotes cell growth and repair, benefiting the skin, hair, and nails