Researchers reported data on the content of the two other major types of dietary vitamin K, menaquinones and dihydrophylloquinone, in more than 500 commonly consumed meats, dairy foods, fast foods, grains, cereals and baked goods.
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Vitamin and Supplements
New research shows calcium in food might do more to protect bones than supplemental calcium in pill form.
Calcium supplements appeared to be ineffective at reducing fractures because so many patients were noncompliant.
Supplementing the diet with calcium in healthy children has little benefit for bone health.
Omega 3 fatty acids in dietary fish oil are reported to have anti inflammatory and anti thrombogenic and anti arrhythmic effects in humans.
Too little vitamin C in the blood stream has been found to correlate with increased body fat and waist measurements.
The dietary supplement industry has exploded in the past decade to about 29,000 products, with about 1,000 new products introduced each year.
Findings do not rule out an important effect of omega 3 fats, but suggest that the evidence should be reviewed regularly.
Two common weight loss supplements promoted as ephedra free and safe for dieters caused increased heart rate among healthy people, and could have harmful health effects in some people.
Calcium and vitamin D supplements in healthy postmenopausal women provide a modest benefit in preserving bone mass and prevent hip fractures in certain groups.
More is not necessarily better when it comes to vitamin E.
One grapefruit provides a daily dose of vitamin C that a human organism needs.
But federally funded study finds that Calcium and Vitamin D don't reduce the likelihood of other fractures or colorectal cancer
Vitamin C is found in all fruits and vegetables and is in high concentrations in green peppers, oranges and other citrus fruits and juices, tomatoes, papaya and watermelon.
Amino acid dietary supplement L arginine, when used after a heart attack, doesn't improve certain cardiac functions and may be associated with an increased risk of death.
A two gram fish oil supplement given daily to elderly persons prevented a decline in heart rate variability.
Intake of magnesium through diet and supplements is positively associated with bone density throughout the whole body.
Adequate vitamin D status appears more important than high calcium intake for maintaining calcium metabolism.
The omega 3 fatty acids found in fish oils are essential for normal brain development. Fish oil has been shown to make substantial differences to dyspraxic children.
Although calcium supplements might prevent development of polyps that sometimes lead to colon cancer, there is not enough evidence that the mineral can prevent colorectal cancer itself.
Frail older people confined to institutions appear to experience a reduction in hip and other non vertebral fractures if given vitamin D with calcium supplements.
New research indicates that a dietary supplement could be used as an effective treatment for Canavan disease, which currently has no cure or standard of care.