Generally, the risk of B12 toxicity or overdose is only low, but keep in mind that vitamin B12 shots may probably give other side effects
It usually lasts weekly for 4-8 weeks
Cyanocobalamin (vitamin B12) - participates in the synthesis of nucleotides, is an important factor in the normal growth, hematopoiesis and development of epithelial cells is necessary for the metabolism of folic acid and the synthesis of myelin
They can also help expectant mothers build up their supply of Vitamin B9 (Folate) to reduce the risk of neural tube defects like spina bifida
This matters for hair because follicles sit anchored in that collagenrich dermal matrix when the surrounding collagen network breaks down, the support around follicles weakens, and the scalp tissue becomes more disorganized, changes that are linked to follicle decline and thinning over time
For example, if you are being treated for type 2 diabetes with medications such as metformin, your ability to absorb vitamin B12 from the digestive tract may be reduced