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Do They Work?

When it comes to shedding pounds, the evidence is not clear. There’s little data to support the use of herbal supplements as carb blockers, Dungan says.

As for side effects, you could get gas, bloating, stomach cramping, and diarrhea, she says.

Eat More Fiber

There’s another option if you’re looking to manage blood sugar levels and lose some weight: Add fiber to your diet.

“If you want to supplement your diet, you should do it naturally,” Dungan says.

Start by replacing simple carbohydrates with complex carbohydrates, she says. Look for foods low on the glycemic index (GI), which tend to have fiber to help you feel fuller longer.

Low GI foods that are high in fiber include whole grains, leafy vegetables, most fruits, and legumes.

Men should get 30-38 grams of fiber daily, and women should aim for 25 grams. But most people get only about 16 grams a day.

Talk to your doctor about any supplements you’re considering, and also how much fiber you should get to help manage your diabetes.

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