The best way to get vitamin B12 is through your diet
Our bodies however are only able to absorb 2g of vitamin B12 per meal, therefore additional supplementation may be beneficial
The first signs of B12 deficiency include persistent fatigue, weakness, lightheadedness, pale skin, tingling or numbness in the hands and feet, difficulty concentrating, and mood changes like irritability or mild depression
Arising from causes such as traumatic brain injury and pituitary or hypothalamic tumors, it can negatively affect your strength, stamina, mood, sexual function, and much more.34 35 Increasing your growth hormone levels is the standard treatment