A Cochrane review comparing oral and intramuscular B12 found comparable effects on blood levels, and the same principle of good absorption applies to the subcutaneous route
Some plant lipotropes that have the potential to increase fat metabolism to aid weight loss include (7): Choline Betaine Myoinositol Methionine Carnitine Magnesium Folate Niacin Pantothenate An animal study published in the Critical Reviews in Food Science and Nutrition journal suggests that certain fatty acids, fibers, flavonoids i Naturally occurring compounds in fruits and vegetables that help lower the risk of cardiovascular diseases, cancer, and cognitive conditions
(Dali-Youcef and Andrs, 2009) Other people at risk include those who have had intestinal surgeries, or have chronic conditions which affect the gut , such as Crohns disease or celiac disease (Dahele and Ghosh, 2001)
Serious B12 deficiency may cause anemia and nerve damage
Why Men Over 30 Are More Likely to Be Low As men age, several factors increase the risk of B12 deficiency