Rotate injection sites to prevent irritation
But for researchers who are particularly sensitive to the initial post-injection window, matching site to timing can provide a meaningful quality-of-life improvement
If you see anything suspect, do not use it
8mg (weeks 13-16): The highest side effect peak for most researchers
This vitamin is involved in forming DNA and red blood cells, as well as necessary for brain function, heart health, energy production, and more ( Its found naturally in many animal products and sometimes added to fortified foods ( Vegans, vegetarians, older adults, and people with digestive issues that can interfere with nutrient absorption may be at a higher risk of vitamin B12 deficiency and need to supplement ( summary Vitamin B12 is a water-soluble vitamin involved in several aspects of health, including DNA synthesis, red blood cell formation, and brain function