Vitamin K is showing up in more calcium supplements
October 2008
Vitamin K is showing up in more calcium supplements.
Preliminary studies suggest that low vitamin K levels are related to fracture risk. It's thought to help promote bone formation and reduce calcium excretion.
Combo products usually contain around 40 mcg/tab of vitamin K... about the amount in one cup of red leaf lettuce. Some products require several tabs per day to get enough calcium.
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