A 2008 study found that glucomannan may help prevent constipation. The study showed that adding glucomannan to a low fiber diet increased the amounts of probiotic bacteria in feces.
It also increased bowel movement function by 30 percent.
Fiber is filling. Eating it regularly helps keep you fuller longer, so you're less likely to overeat or snack between meals. Konjac also expands in the stomach to help keep you full.
According to a 2005 studyTrusted Source, 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.
Adding an additional fiber supplement (guar gum or alginate) didn't have an impact.
A 2008 systematic review found that konjac may help lower total cholesterol, LDL (or "bad") cholesterol, and triglycerides. Konjac also reduced body weight and fasting blood sugar.
Researchers concluded that glucomannan could be an adjuvant (additional) therapy for people with diabetes and high cholesterol.
A later study found that konjac lowered LDL cholesterol and recommended its use to reduce the risk of cardiovascular disease
Test Items | Specification | Test Result |
Appearance | Light yellow fine powder | Complies |
Odor | Characteristic | Complies |
protein | ≥75% | Complies |
Particle size | 80 mesh | Complies |
Extract solvents | Water and Ethanol | Complies |
Loss and drying | ≤5.00% | 3.17% |
Acid-insoluble ash | ≤5.00% | 3.41% |
Solvent residual | <3000ppm | Complies |
Heavy metals | <10ppm | Complies |
Arsenic( As) | <2ppm | Complies |
Lead (Pb) | <2ppm | Complies |
Cadmium( Cd) | <1ppm | Complies |
Mercury( Hg) | <1ppm | Complies |
Escherichia coli | Negative | Negative |
Salmonella | Negative | Negative |
Conclusion | Qualified With Enterprise Standard |