b12 injections for parvo NeoPar® Vaccine Dogs, Single Dose Cyanocobalamin (Vitamin B12) Injection is sold as an FDA approved generic drug Compounded Hydroxocobalamin (Vitamin B12) Injection
Description
Dose ranges come from allometric scaling (using a math formula to translate a mouse mg/kg dose into a human dose) and from research community use

Neo-B12 Injection is used to treat pernicious anaemia, which is a condition where there are insufficient red blood cells carrying haemoglobin, which remain as immature precursor cells

If your B12 levels are in the intermediate range, your doctor may order other tests that are more sensitive predictors of deficiency than your serum level of the vitamin

[...] Edema will begin to appear in the morning as the person assumes erect posture, and progressively increases during the day, wrote the papers authors

This is consistent with the methyl folate trap hypothesis (54), which predicts that, in vitamin B-12 deficiency, the inhibition of DNA synthesis and cell proliferation is removed upon administration of high doses of folic acid because of increased availability of nonmethylated folate
