can b12 and d3 injection be taken together Vitamin Vitamin D: Is it Safe to Take Both? Do You Need a Prescription

Improved Nerve Health: Tingling and numbness may gradually lessen, although this can take months

The FDA has not approved these shots as weight loss treatments, and results depend heavily on diet, activity level, and overall health

"but I do find it weird that my B12 is nonexistent and yet my RBC, MCV, and MCH are normal." Low B12 can lead to enlarged red blood cells (macrocytosis)

The baseline remains 12 weeks across the activation, remodeling, and maintenance phases

The earlier 12-week Phase 2a trial had shown encouraging results (2.6 kg vs 0.8 kg for placebo), but the larger, longer, better-powered trial reversed that finding

Its a popular choice because the muscle is substantial, and the area typically has fewer nerve endings, which can mean less discomfort during the injection