Recommended dosages vary by manufacturer and what you’re using the konjac for. There’s no approved, standardized dose of konjac. Take konjac with plenty of water, preferably before a meal.

It’s best to only buy konjac supplements from reputable manufacturers. Under the Dietary Supplement Health and Education Act of 1994 (DSHEA), a firm is responsible for determining that the dietary supplements it manufactures or distributes are safe and that any claims made about them are supported by adequate evidence to show that they’re not false or misleading. The Food and Drug Administration (FDA) regulates dietary supplements under a different set of regulations than those covering “conventional” foods and drug products. Konjac supplements are available online or in most natural health stores. You can use konjac as a noodle in stir fry dishes as well as in powder form in baked goods and sauces. It’s thought to reduce allergic response and improve wound healing. Konjac and skin healthĪccording to a 2013 study, konjac can reduce acne and improve the health of your skin. Researchers concluded that glucomannan could be an adjuvant (additional) therapy for people with diabetes and high cholesterol.Ī later study found that konjac lowered LDL cholesterol and recommended its use to reduce the risk of cardiovascular disease. Konjac also reduced body weight and fasting blood sugar. Konjac and cholesterolĪ 2008 systematic review found that konjac may help lower total cholesterol, LDL (or “bad”) cholesterol, and triglycerides.

Konjac also expands in the stomach to help keep you full.Īccording to a 2005 study, adding a glucomannan fiber supplement to a balanced, 1,200-calorie diet caused more weight loss than a 1,200-calorie diet plus a placebo.Īdding an additional fiber supplement (guar gum or alginate) didn’t have an impact. Eating it regularly helps keep you fuller longer, so you’re less likely to overeat or snack between meals. It also increased bowel movement function by 30 percent. The study showed that adding glucomannan to a low fiber diet increased the amounts of probiotic bacteria in feces. Here’s what the research says: Konjac and constipationĪ 2008 study found that glucomannan may help prevent constipation. A diet high in fiber may also help regulate bowel movements, prevent hemorrhoids, and help prevent diverticular disease. Soluble fiber helps lower cholesterol and blood glucose levels. The high fiber content of konjac has many health benefits.

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