b12 injection side effects fatigue Vitamin Deficiency: Symptoms, Causes & Treatment Feeling worse after B12 Injection:

1700637-55-3 Appearance Solid Molecular Weight 413.53 Formula C 22 H 27 N 3 O 3 S Color Light yellow to brown SMILES O=C1N(C)C2=C(C=C(C3=CN=CS3)C=C2)C(N[C@H]4CC[C@H](OCCOC)CC4)=C1 Shipping Room temperature in continental US

Not for daily use

Food-cobalamin (vitamin B 12 ) malabsorption, first described by Carmel in 1995,30 is the most common cause of vitamin B 12 deficiency in the elderly and accounts for about 40% to 70% of cases.26 29 31 It is characterised by the inability to release vitamin B 12 from food or from its binding protein and thus, preventing vitamin B 12 from being taken up by intrinsic factor for absorption

The other problem is, patients often cant get B12 shots anywhere else