A deficiency can occur for several reasons, such as pernicious anemia (a condition where the body cannot absorb vitamin B12 from the diet), certain medical conditions (e.g., Crohn's disease, celiac disease), surgical removal of part of the stomach or intestine, or strict vegetarian/vegan diets if not adequately supplemented
Beginning at 300mcg allows assessment of response without overshooting the necessary dose
The combination produced significantly better outcomes than either treatment alone in animal osteoarthritis models, with improved cartilage preservation and shorter functional recovery times
I love the boost of energy from the shots after a long week, tough workouts, vitamin deficiencies
It enhances intestinal absorption of calcium and phosphorus Maintains bone density and prevents osteomalacia Supports muscle contraction and coordination Supports immune system function Influences mood via brain vitamin D receptors Low vitamin D levels are associated with osteoporosis, muscle weakness, frequent infections, impaired wound healing, and increased risk of mood disorders
That difference comes from a single amino acid substitution