Amorphophallus konjac is a plant from which the dietary fiber and sugar supplement glucomannan is made. According to WebMD, possible side effects of solid glucomannan tablets include intestinal blockages and blocked thro... More »

Konjac root fiber contains a high-fiber content, which may cause blockages of the intestine or throat when taken in solid tablets. In people with diabetes, it may also impact blood sugar control, says WebMD. In addition,... More » Food Food Facts Herbs & Spices

Consuming large amounts of dietary or supplemental fiber sources at one time can cause intestinal distress, such as gas and bloating, and it can interfere with the absorption of important dietary nutrients required by th... More » Health Medications & Vitamins Side Effects

Some side effects of using forskolin, the chemical derived from the Coleus forskohlii plant, include low blood pressure and increased risk of bleeding for users with bleeding disorders, according to WebMD. The herbal sup... More » Health Medications & Vitamins Vitamins & Supplements

Taking natural dietary supplements and consuming plant foods that include coffee, cloves, cinnamon and broccoli, may help in treating diabetes naturally, according to WebMD. However, studies are still in progress to dete... More »

Konjac root is likely safe for healthy adults. Konjac root may interfere with blood sugar control, so diabetics who are taking konjac root should exercise caution, according to WebMD. Individuals who aren't used to high-... More » Health Medications & Vitamins Side Effects

Side effects of Juice Plus include gastrointestinal problems, rash and decreased liver function, according to the Memorial Sloan Kettering Cancer Center. Juice Plus may also interfere with cancer treatment. More »