is b12 tablets as good as injections Do You Need a Prescription for Injections? What Are B12 Injections? And

Visible body composition changes typically emerge around week 3-4, with significant fat loss and waist circumference reduction becoming apparent by weeks 5-8

Oral B12 has only about 1 to 2 percent absorption, while injections are absorbed at 55 to 97 percent

B12 injections can be particularly beneficial for those who: Follow a vegan or vegetarian diet Have digestive conditions like Crohns disease or celiac disease Experience chronic fatigue or anaemia Are over the age of 50 Are pregnant or planning to conceive How Often Should You Get a B12 Shot

British Journal of Clinical Pharmacology, 56 (6), 635638

This can also affect vitamin B12 absorption