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Rabu, 09 November 2011

Does Taking A Multivitamin Help You Lose Weight?


Research studies have shown that a multivitamin could indeed help your waistline as well as your heart. Remember, a bottle of vitaminscannot replace or fill in the gaps of junk-food diet. Everyone has days when pizza is more tempting than a salad. Besides, some vital nutrients, such as vitamin D-3 are tough to get enough of from foods alone. That’s why doctors still recommend a multivitamin—insurance against an imbalance diet.

So why take a multivitamin, here are some reasons:

If you’re a female and need to lose a little weight, listen to this: a recent study of overweight women lost an average of 8 lbs after taking a standard multi-vitamin for six months. The reason: because a multi can help your body slim down by filling tiny nutritional gaps that slow your metabolism.  The metabolism of takers increased by 6%, in turn, their bodies burned more calories per day.  Another study done indicated that dieters who took the multivitamin felt fuller between meals and 60% fewer hunger pangs in between.

After tracking 34,000 women for over a decade, researchers found that taking a daily multivitamin for 5 years makes you 41% less likely to have a heart attack—that is if you don’t have signs of heart disease to begin with. It can protect the heart in many ways such as: vitamin C, niacin, vitamin B2, and vitamin B5 can help decreasing the heart-threatening plaque. Magnesium can help keep your arteries flexible and fight body wide inflammation.

Getting the right multivitamin is important. Here are some facts to keep in mind:

1. Plenty of evidence has shown that we flush most of the excess from high-dose supplements out of our system. In fact high doses of certain vitamins can be toxic and being stored in your body might lead to an increase of risk for some health problems.

2. A good multivitamin should meet the DRI, daily recommended intake. Scan the label to see if it has close to 100% of the Daily Value for everything.
—If you are a menopausal woman, talk to you OB/GYN

3. Women need 1,000 to 2,000 mg of calcium per day but should be able to get half of that from food. However, men may want to limit that intake to 500 mg due to some links to prostate cancer. A smart choice for womenwould be 600 mg calcium supplements with 200 mg of magnesium (the magnesium helps keeping the calcium from constipating you).

4. Most people need at least 1,000 IU of vitamin D3 per day. Vitamin D3 helps make the form when the sun hits your skin. If you’re multivitamin has less than that, make up the difference with a vitamin D3 supplement.

Article by Jessy Hamawi, Club Fitness Nutritionist and Personal Trainer

Senin, 24 Oktober 2011

Men vs Women During Weight Loss


You may have heard and realized that it's more difficult for women to lose fat than men. Immediately most people think it must be estrogen or some hormonal issues. But perhaps the biggest factor is NOT hormones, but the simple fact that women are usually smaller and lighter than men.

When you have a smaller body, you have lower calorie needs. When you have lower calorie needs, your relative deficit (20%, 30% etc) gives you a smaller absolute deficit and therefore you lose fat more slowly than someone who is larger and can create a large deficit more easily.

For example, a male’s total caloric needs is 3300 calories a day (5' 8" and moderately to very active), then a 20% deficit is 660 calories, which brings the total to 2640 calories a day. On paper, that will give about 1.3 lbs of wt loss per week. If he bumped his calorie burn up or decreased his intake by another 340 a day, that's enough to gives him a 2 lbs per week wt loss.

For smaller women, the math equation is very different.
If your total daily energy expenditure is only 1970 calories, even at a VERY high exerciselevel, then a 20% deficit for you is only 394 calories which would put you at 1576 calories a day for (on paper) only 8/10th of a lb of fat loss/wk.
If you pursued your plan to take a more aggressive calorie deficit of 30%, that puts you at a 591 calorie deficit which would now drop you down to only 1382 calories/day.

That's starting to get fairly low in calories. However, you would still have a fairly small calorie deficit. 

What this all means is that women who are petite or have a small body size are going to lose fat more slowly than larger women and much more slowly than men, so you cannot compare yourself to them.

It's great to be inspired by our success stories,but if you're looking for someone to model yourself after, choose one of our success stories of someone your body size and wt, rather than the folks who started 100 lbs overweight and were therefore easily dropping 3 lbs a week.

One pound a week of fat loss is much more in line with a realistic goal for someone of a smaller body size. Overweight people can lose it faster. The best thing you can do is to be extremely consistent with your nutrition over time.

Suggestion #1: Weigh and measure all your food any time you feel you are stuck at a plateau, just to be sure. When your calorieexpenditure is on the low side, you don't have much margin for error.

Suggestion #2:  Take your body comp measurementswith a grain of salt, especially if you are using a good scale and remember that body comp testing is seldom perfect. Pay attention to your circumference measurements, how your clothes fit and how you look in the mirror and in photos as well.

Suggestion #3: You may want to take 2 or 3 of your long cardio sessions on the treadmill and switch them to intense intervals or ANY other type of activity that has potential to burn more than 362 calories for an hour's investment of time, or perhaps that equivalent calorie burn in less time. No need to add more days of cardio or more time - get the most out of the time you are already spending.

Suggestion #4: If you do intervals, don't make the workout too brief (ignore the advertisements for those "4 minute miracle" workouts, etc.), or you may burn fewer calories than you were before! In fact, you might even try the method where you do HIIT for 15-20 min, then continue for another 30-40 at slow to medium intensity. Increasing total calories burned should be your focus.

Understand the calorie math I explained above and be patient, watching for slow and steady progress, and paying special attention to the trend over time on your progress chart.

Keep after it - the persistence will pay, I promise!
--Jessy