It helps maintain a healthy nervous system and is also involved in the production of red blood cells
These factors collectively suggest that the conclusions, while robust, should be interpreted with caution in clinical decision-making
If you have malabsorption syndrome (such as short bowel syndrome, certain bariatric surgery patients, chronic pancreatitis, or celiac disease that severely impairs nutrient uptake), you might need these injections indefinitely to prevent recurrent deficiencies
Vitamin B12 supplementation is available in several forms, including oral tablets, sublingual (dissolved under the tongue) preparations, nasal sprays, and intramuscular injections (commonly known as B12 shots)
Don't overtrain: Training volume should be slightly reduced during a cut
If a patients expectation is that a weekly injection will produce weight loss without dietary change, the ethical move is to reset the expectation or decline the treatment not to sell the package