Others who may be more susceptible to vitamin B12 deficiency are patients diagnosed with Crohns disease or celiac disease, and those who have undergone intestinal procedures such as weight loss surgery
When the body lacks this vital vitamin, several symptoms can occur: Common Symptoms: Fatigue and weakness Tingling or numbness in hands and feet Memory issues Mood swings or depression Loss of appetite Common Causes: Vegetarian or vegan diet (B12 is mostly found in animal-based foods) Poor gut absorption Long-term use of certain medications (e.g., metformin, antacids) Aging What Happens If Left Untreated
Eyeball both vials for cracks, discoloration, or anything floating, and check expiry dates before you commit
For researchers who want to explore beyond weight management, the world of peptides includes muscle growth applications , gut health protocols , anti-aging research , and athletic performance optimization
Nature 479 , 232236 (2011)