Archive for the ‘Calcium’ Category

Calcium

Sunday, October 2nd, 2011

Calcium accounts for only 1 to 2% of adult human body weight and more the 99% of total body calcium is found in teeth and bones. The remaining 1% is used in our electrically active tissues such as nerve and muscle. There it plays a signaling role. As we age we see a progressive decrease in the amount of calcium in our bones. So it is necessary to consume a readily-absorbed form of calcium.

Not all calcium is alike. Dicalcium malate is an especially rich source of elemental calcium since it is comprised of two calcium molecules attached to each malic acid molecule. Calcium bis-glycinate consists of calcium chelated to the amino acid glycine, which allows it to be easily absorbed and utilized by the body.

When you buy calcium supplements make sure that one or both of these forms of calcium are in the list of ingredients. Otherwise you may just be wasting your money. Unfortunately most TV ads don’t say which form is in their brand they’re selling. They only say they’re the best. They may be but be sure you know what you’re getting.

Info from Life Extension, August 2011

Try Nutrients Before Drugs

Wednesday, May 11th, 2011

A review published in a recent issue of the journal Nutrients concludes that calcium and vitamin D supplements should be tried before resorting to bone building drugs to help maintain normal bone density.

For their review, Karen Plawecki and Karen Chapman-Novakofski of the University of Illinois at Urbana-Champaign selected 62 human studies conducted over the past decade that evaluated the impact on bone health of calcium and vitamin D from food, calcium and vitamin D from supplements, other bone health-related nutrients (including protein, sodium, soy and vitamin K), and portfolio diets, such as the Dietary Approaches to Stop Hypertension (DASH) and Mediterranean diets, which provide a number of nutrients. The researchers confirmed a benefit for supplements, food-based interventions and educational strategies on bone health. The findings suggest nutrition therapies as first-line treatments for postmenopausal women and others at risk of osteoporosis, particularly in light of the side effects associated with pharmaceutical agents used to treat the condition.

“For many people, prescription bone-building medicines should be a last resort,” stated Dr Chapman-Novakofski, who is a professor of nutrition at the University of Illinois. “Bisphosphonates, for instance, disrupt normal bone remodeling by shutting down the osteoclasts—the cells that break down old bone to make new bone. When that happens, new bone is built on top of old bone. Yes, your bone density is higher, but the bone’s not always structurally sound . . . Although the test reports that you’re fine or doing better, you may still be at risk for a fracture.”

“I suspect that many doctors reach for their prescription pads because they believe it’s unlikely that people will change their diets,” she remarked.

Concerning the effect of nutrients other than calcium and vitamin D were examined in this review, Dr Plawecki observed that “Following a low-sodium diet does seem to have a positive effect on bone density.”

“Some people have the habit of adding a generous sprinkle of salt to most foods before eating, but there’s more involved here than learning not to do that,” she noted. “You have to choose different foods.”

Dr Plawecki, who is the director of the University of Illinois’ dietetics program, recommends adopting a portfolio diet that provides numerous beneficial nutrients, including high amounts of magnesium and potassium in addition to calcium. Additionally, Drs Plawecki and Chapman-Novakofski stress that increased physical activity is needed to help maintain bone and muscle strength, as well as balance and flexibility.

From the Journal Life Extension www.lef.org

Calcium & Magnesium

Thursday, November 4th, 2010

Although calcium is the most abundant mineral in the body magnesium is one of the body’s most important mineral.

Calcium is needed for more than just bones and teeth as we have heard for years. It is also important for muscle contraction, blood vessel contraction and expansion, the secretion of hormones and enzymes, and sending messages through the nervous system. Recent studies of calcium also suggests increased intake may help maintain optimal weight.

Many forms of calcium are not absorbed very well. One of the better forms is calcium citrate. Also taking vitamin D3 and magnesium helps in the absorption of calcium.

Magnesium of one of the body’s most important minerals because it is a co-factor in hundreds of enzymatic processes within the cells themselves. It helps maintain normal muscle and nerve function, keeps heart rhythm steady and promotes a healthy cardiovascular function. It also helps metabolize minerals needed for repair and rebuilding.

Life Extension, Annual Directory 2010-2011

Vitamin D plus calcium may protect from fracture

Saturday, January 16th, 2010

As vitamin D gets more into the spotlight for everyday citizens we see another great result.

Almost 70,000 people participated in a study in the US and Europe and found that taking vitamin D with calcium reduced fractures.

So not only is vitamin D necessary to supplement for those of us living in northern climates it reduces the chance of breaking a leg.

Minerals-Calcium

Sunday, January 11th, 2009

In addition to the vitamins our body needs are the minerals. However minerals are in our body in small amounts. They only comprise about 4 percent of our body weight. Yet these inorganic substances found in the earth’s crust as well as many foods are esential. They are necessary in bone formation as well as digestion and normal functioning of the heart.

The body contains more than 60 different minerals, but only 22 are thought to be essential. Then seven of these–including clacium, chloride,magnesium, phosphorus, potassium, sodium and sulfur–are usually called macrominerals. The other 15 minerals are called trace minerals, or microminerals, because the amount the body needs is extremely small.

Today we’ll look at calcium.

Calcium is essential for many bodily functions. This includes the transmission of nerve impulses, the regulation of muscle contraction and relaxation, blood clotting, and various metabolic activities. Calcium is most known by the average person for making strong bones. So with taking calcium for preventing osteoporosis vitamin D is included to help in the absorption of calcium.

There are numerous forms of calcium supplements: calcium carbonate (the most common and inexpensive), calcium citrate (the best absorbed but relatively expensive), calcium phosphate, calcium lactate, and calcium gluconate. Since calcium carbonate and calcium phosphate are hard to absorb the other calcium products are preferable.

Although it’s the most abundant mineral in the body, most adults get only half of what they need each day. The majority of the body’s calcium is stored in the bones and teeth. The small amount in the bloodstream helps move nutrients across the cell membranes. If there is not enough calcium in the bloodstream it will steal calcium from the bones.

Newer studies have increased the daily intake for men and women up to age 50 at 1,000 mg and 1,200 for people over 50.

If you get too much, say 2,500 daily from food and supplements, it may hinder the absorption of zinc, iron and magnesium.

For more information on calcium you can check: Guide to Drugs and Supplements, Reader’s Digest, 2007