Over-the-counter multivitamins are available in drop form for infants. Beginning in the first two months of life, a minimum of 200 IU of vitamin D per day promotes optimal baby development, Greer tells WebMD. This should continue throughout childhood and adolescence.
A kidney stone, also known as a renal calculus or nephrolith, is a solid piece of material which is formed in the kidneys from minerals in urine.Kidney stones typically leave the body in the urine stream, and a small stone may pass without causing symptoms.rinary stones are typically classified by their location in the kidney (nephrolithiasis), ureter (ureterolithiasis), or bladder (cystolithiasis), or by their chemical composition (calcium-containing, struvite, uric acid, or other compounds).
Kidney stones are a formation of hardened minerals in the kidneys or urinary system. In most cases, kidney stones are formed because of a decrease in urine volume or increase in the minerals that form the stones in the urine. About 1 in every 20 people will have a kidney stone in their lifetime.Three times more men will have kidney stones than women and they are more common in Caucasians.n most cases, kidney stones are formed because of a decrease in urine volume or increase in the minerals that form the stones in the urine. About 1 in every 20 people will have a kidney stone in their lifetime. Three times more men will have kidney stones than women and they are more common in Caucasians.