This can in turn lead to the development of conditions like Anemia (lack of Iron absorption) and and Osteoporosis (
lack of Calcium absorption).
Not exact matches
Just as
lack of Vitamin D and poor
calcium absorption can cause malformation
of the bones
of the legs (as in the case
of Rickets), it can cause the jawbone to form poorly, resulting in spacing problems for the teeth and braces for the child.
Still, we can not rule out an effect
of vitamin D on
calcium and phosphorus
absorption even in these experiments, since the mice that
lacked a VDR still consumed some vitamin D.
Vitamin B12 deficiency is caused by a wide range
of factors including low gastric acidity (common in older people,) use
of acid blockers or excessive laxative use,
lack of intrinsic factor, poor
absorption from the intestines,
lack of Calcium, heavy metal toxicity, or excessive Vitamin B12 degradation.
It can also be because
of chronic intestinal or kidney disease, (
lack of activated vitamin D (ref) that prevents proper
calcium absorption (= Secondary hyperparathyroidism) or because the ratio
of calcium to phosphorus in your pet's diet is not optimal (it should be about 1:1 to 2:1).