Amounts cannot be directly converted between routes because absorption and evidence limits differ
Woolf, C
Our Functional Medicine Experts understand that what's optimal for you might differ from a generalized "normal." We utilize a unique reference range to assess your optimization, aiming for your best possible health
The 4 stages of B12 deficiency include (31): Stage 1: decreased levels of vitamin B12 in your blood Stage 2: low levels of vitamin B12 in your cells along with metabolic abnormalities Stage 3: neurological and psychological symptoms like anxiety, confusion, problems with balance, and others Stage 4: macrocytic anemia very large red blood cells (32) B12 deficiency can cause a variety of symptoms, including fatigue, headaches, depression, pale or yellow skin, mental impairment, and pain and inflammation in the mouth and tongue
No high-quality clinical trial has demonstrated that B12 injections produce meaningful weight loss independent of dietary and exercise changes
This preference for hydroxocobalamin in many countries is due to its long retention in the body