Increased collagen levels, whether through supplements, a balanced diet, or skincare treatments, can help you preserve your skin's structural integrity and enjoy a beautiful, firm complexion for years to come
Some of the serious side effects of Vitamin B12 include serous allergic reaction, narrowing or blocking of blood vessels, thrombocytosis (a disorder where your body produces too many platelets), low potassium levels in body, pulmonary edema (a condition where there is excess fluid in the lungs) and congestive heart failure
There are probably a few reasons causing this post-injection pain
One honest note worth making: persistent, unexplained fatigue is sometimes a sign of something a nutrient drip cannot fix on its own, from thyroid issues to anemia to a sleep problem that needs attention