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A Closer Look at the Glycemic Index

Twenty years ago, most Americans had never heard of the glycemic index. Today, it's a familiar concept.

The glycemic index is a measure of how quickly the blood glucose level rises after carbohydrate- containing foods are consumed.

We know that most vegetables and whole grain foods are considered low to moderate glycemic, while most sugary and starchy foods are considered high glycemic. And we know that the carbs in high-glycemic foods are more likely to be converted to body fat and that, over time, eating too many high-glycemic foods increases the risk of becoming overweight and insulin resistant.

The Individuality Factor

It turns out, however, that we might not know as much about the glycemic index as we think we do. Nutrition scientists are now finding that the effect of foods on blood glucose levels may have more to do with individual biochemistry than with the foods themselves. For example, the glycemic index of white bread is 70. But in a recent study involving 14 subjects, the individual glycemic index scores of white bread ranged from 44 to 132. Sure, the average score was 70, but that score was irrelevant to most of the study participants' bodies!

What's more, the Tufts University Researchers who conducted this study also found a high degree of variation in the blood glucose response to specific foods within individuals depending on when they ate them–as much as 42 percent variation. That means a low-fat muffin could be a low GI food for you in the morning and a high GI food in the evening!

Stay the Course

What does this new information mean for our eating choices? While it is certainly surprising, it only reinforces something we already knew about human nutrition: each person is unique and responds to food differently than others do. The latest glycemic index science also does not change the fact that sugar and processed grains, and all glycemic foods, should be minimized in our diet.

Our Story

Our Story

EnergyFirst, a leading company in the all-natural protein and supplement industry, was founded in 1997. We, at EnergyFirst, believe that everyone can benefit from drinking a protein shake whether the goal is optimal nutrition in a meal replacement, an easy and healthy breakfast alternative, a weight loss aid, or a protein supplement for athletes. We also believe that your protein shake should be 100% natural and delicious. Nutritionist, educator, athlete, and EnergyFirst's CEO, Gerry Morton is committed to providing customers with all natural, science-based, effective products for optimal nutrition, weight loss, and a healthy lifestyle.

100% Satisfaction Guarantee

If for any reason you are dissatisfied with your purchase, simply return the unused portion for a full refund." Learn More

Gerry Morton,
President & CEO