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2 With the development of birth control pills in the 1950s, the FDA approved use of the pill with its synthetic hormone-mimicking chemicals to suppress heavy menstrual bleeding

It is classified as a Category 2 bulk drug substance by the FDA, which restricts its availability through compounding pharmacies

Comparison of sublingual and intramuscular administration of vitamin B12 for the treatment of vitamin B12 deficiency in children

B12 Injections For Pernicious Anaemia B12 injections are especially helpful for patients with pernicious anemia, an autoimmune condition that prevents the stomach from absorbing B12