why are im injections used for b12 How to self-inject intramuscular vitamin - Overview Best Vitamin B12 Injection Sites:

Too high folate or cobalamin levels in prenatal life can lead to changes in DNA methylation, which, when natural repair mechanisms are impaired, can be chronic and irreversible, especially under vitamin C and D deficiencies

Some people simply dont absorb B12 well through their gut, so the injection route works better for them

It cannot provide any improvement in muscle laxity

Everything is included, needles, alcohol swabs etc Great product I felt energized after two dosages I asked for a slightly smaller needle , like a 28 gauge, or tb size, but I got no answer about getting those instead clear instructions, works great Love it

Pyo et al