Solgar Vit B12 What is vitamin B-12 good for? Beyond energy support, Solgar Vitamin B12 100µg Tablets may support general wellbeing and vitality, such as providing Immune Support, Mind balance and the formation of red blood cells. 100 Tablets Halal. Vegan. Kosher. Vegetarian. Gluten Free. An easy to take form of B12. Supports a healthy nervous system. For a Heart Health & a balanced mind. Known to support healthy red blood cell formation. Is vitamin B-12 good for everyone? Yes! Vitamin B12, or Cobalamin, is the only vitamin containing cobalt, a trace mineral that is necessary for the formation of red blood cells. It also plays a number of different roles in the Body such as reducing tiredness and assisting in the release of Energy from foods.