Issue No. 005 · Fries

The Side Dish Trap

3 swaps that change your blood sugar without changing your meal.

I ordered the combo. Three days straight, the burger, the bun, and the drink stayed the same. The only thing I changed was the side. And that one swap rewrote my blood sugar for the next two hours.

Fries, coleslaw, and salad all went through the test. Each one pushed a different number on my glucose monitor. One of them wears a vegetable disguise. And one has a loophole that nobody ever mentions at the counter.

French fries carry a glycemic index of 75. That puts them in the same spike territory as white bread.

CGM data from over 1,300 Signos users shows an average blood sugar rise of about 45 points after fries eaten alone. More than 70 percent of those readings crossed the 30-point spike line.

A side salad with oil and vinegar sits around a GI of 15. The fiber in the greens and the fat in the dressing slow digestion to a crawl. In other words, swapping the fries for salad may cut the spike by almost 90 percent. You do not need a supplement or a special order. All you need is a different plate.

Individual glucose responses may vary. Numbers reflect published averages from CGM studies and glycemic index databases.

I assumed coleslaw was the safe pick. It is cabbage and carrots, after all.

But most chain restaurant coleslaw hides about 10 grams of added sugar per serving in the dressing. That is close to half the daily recommended limit sitting in a little cup on your tray. A plain side salad with vinaigrette carries almost no added sugar at all.

This is the swap most people miss because coleslaw looks like a vegetable dish. And it is a vegetable dish... with a candy coating on every strand.

This one is for the people who want the fries. I hear you.

A 2015 study from Weill Cornell Medical College found that eating vegetables before carbohydrates may reduce the glucose spike by 29 to 37 percent. Fiber acts like a net inside your gut. It slows down how fast the starch from the fries can reach your bloodstream.

So eat a few bites of salad first. Give your stomach five minutes of fiber before the starch hits. Your fries will taste exactly the same. But the number on your monitor... may drop by 29 percent. There is nothing to quit here. You just change what comes first.

I ate the same meal three times. My burger never changed. The side was the only variable. That tiny choice changed the picture on my monitor... for two full hours afterward.

Nobody at the counter mentioned this. My doctor never brought it up once.

★ Welcome to the revolution

Jackie