If suitable, your injection may be administered during the same appointment on the day
Some studies have shown that, if people with Down syndrome take the inactive oral forms of vitamin B12 and folate, their bodies may have difficulty converting from the inactive to the active form and the inactive form may not be as effective
A heavy contamination load can overwhelm the preservative capacity
What if your body cannot produce enough of this vitamin
Bioorg Med Chem Lett

each 10% reduction in homocysteine is associated with 1.45-2.55 reduction in pulse pressure mmHg in patients undergoing hemodialysis (14)(27)(31) Increased urinary excretion of homocysteine in its sulfonated form (36) Omega-3 fatty acids 200-6,000 mg (~98-2,000 mg EPA/490-1,000 mg DHA) per day, for 1-12 months in patients with hyperhomocysteinemia or elevated homocysteine within normal ranges (8)(11)(13)(17)(18)(19)(25)(30)(42)(43) Reduced homocysteine by 1.18-1.58 mol/L on average using wide dose ranges, as shown in meta-analyses (8)(18) Reduced homocysteine by ~2.5-4.0 mol/L in patients with type II diabetes, patients on hemodialysis, or healthy adults using mid-range doses of 2,000-3,600 mg per day for 1-3 months and up to one year (11)(17)(25)(30)(42)(43) Reduced homocysteine by ~1.6 mol/L over 12 months in patients younger than 65 years, previously suffering from myocardial infarction (13) Adjunct therapy with folic acid, vitamin B6, and vitamin B12 improved efficacy (8)(17) Adjunct aerobic exercise and cognitive stimulation may be required for benefit in some populations, including older adults with mild cognitive impairment (19)
