Konjac tea, a traditional yet popular beverage, originates from China and has been anecdotally believed to bring several health konjac tea benefits, such as weight control, detoxification, and beauty enhancement, since ancient times. This tea is made from the dry powder of the Amorphophallus konjac plant, also known as konjac, elephant yam, the umbrella arum, voodoo lily, snake palm, and elephant-foot yam, which is distributed in Southeast Asia, East Asia, South Asia, and tropical Africa. The corm, rather than the root, of the konjac plant has been traditionally used as a food staple by the locals for thousands of years, given its low energy, fat, and protein content. Furthermore, an alimentary plant tuber in Japan, the main part eaten is the corm, which is both the largest portion of the konjac plant and the enzyme content of the flowerless plant. Although a very fibrous addition to the diet, health hazards could have been posed by the consumption of excessive doses of konjac. Currently, there is increased interest in this tea, and such kinds of products have been sold not only in Eastern Asia but also in Western markets. In addition to the food application, some bioactive compounds in konjac tea benefits may be related to some health or medicinal functions. Most notably, the konjac corm is a good source of dietary fiber, about 36–60% by weight, which mainly consists of water-soluble non-cellulosic polysaccharides and is prepared as flour, which may contain ashless cellulose of 4%.
Konjac is commonly consumed in foods as a source of fiber. The primary fiber component of konjac, glucomannan, is considered energy-free, and studies have shown it to be effective as an appetite suppressant when incorporated into foods. Konjac also features as a highly viscous source of dietary fiber that resists digestion and can therefore impact gut fermentation and overall digestive health. Given the popularity of kombucha, consumption of non-tea ‘teas’ may also appeal to individuals who view themselves as early adopters and trendsetters within the wellness and holistic health food arenas.
Konjac is used in Asia for health and wellness in much the same way as fiber is recommended in the U.S. and Europe: for overall gastrointestinal wellness. One glass of konjac tea accounts for nearly 16% of the daily recommended value for fiber in the U.S., with nearly 30% of the carbohydrate calories coming from fiber-containing konjac. Since glucomannan fiber, such as found in konjac tea, is linked to appetite suppression, drinking konjac tea roughly 30 minutes before eating may be beneficial for management of satiety and body weight. Konjac tea is also high in antioxidants, offering a potential additional health benefit of reducing oxidation damage that comes with digestion and overall metabolism. Preliminary research on konjac has shown promising blood lipid and blood sugar regulation results, indicating that konjac tea might prove to be helpful as food therapy for lowering cholesterol and managing blood sugar and overall insulin resistance, supporting a healthy eating plan. However, this research sample was severely metabolically disordered.
Adults who need to consume up to 8g of glucomannan a day to prove a health konjac tea benefits can analyze the adult’s maximum daily food intake per 20g by drinking 0.5–1L of ordinary 0.5% konjac tea for relief. Pure processing, drying, and grinding directly produce konjac powder, which can be made with 200 ml of water, juice, etc. The way you can enjoy konjac tea can improve water intake. Konjac is known for its good water solubility, and the volume of the intrinsic viscosity of konjac increases, leading to a feeling of fullness. Drinking konjac tea is the only way to consume it; it is also the easiest way to relieve discomfort. It is strongly advised to drink plenty of water 1-2 hours before consuming konjac tea, and it is best not to drink konjac tea with other foods during meals. Konjac can increase the volume of the ileum and hinder the entrance of the stomach into the small intestine. We need to limit our daily intake to avoid soaking too much water into the normal activity of the gastrointestinal tract, which can cause discomfort. It is recommended to drink 200-500 ml (1 cup) of 0.5% konjac tea at a time (1g of konjac powder). In general, it is suggested to drink between 4-6 glasses of weight-reducing foods such as carbohydrates or fats if there is no sum in the day. Pregnant women and breastfeeding women must use it under the guidance of a doctor. Everyone must use it under the guidance of a doctor if they are ill.
The safety of consuming konjac tea in moderation has been shown, but it may cause some digestive problems if taken in large quantities. Because of its uncharged feature, most of the konjac fiber would arrive at the distal small bowel without fermentation and induce diarrhea on account of the osmotic laxation. In Japan, a country with well-established markets for konjac products, there are data on the frequency of use of konjac in the national diet and on the incidence of adverse consequences. In a survey of cases of konjac intoxication, the weight of consumed konjac was reported in several cases. Although the quantity varied widely among individuals, that from 200 to 700 g was the most commonly cited quantity. The onset of symptoms after ingestion varied greatly from person to person, ranging from 2 to 30 hours, with most symptoms occurring in the range of 8 to 17 hours after ingestion. Because the patient was generally in good health prior to ingestion, the onset of symptoms is believed to be of interest.
Similarly, if you are considering taking glucomannan supplements instead of eating konjac itself, it is worth noting that these products have been marketed as a remedy for weight loss and can pose a risk of asphyxiation provided they do not dissolve in a sufficient quantity of water if they are not swallowed in a hurry. Besides actual complications, an allergic response to konjac that may range from mild to severe can also occur. We also support the fact that excessive dependence on konjac tea for weight loss as the optimal dietary strategy is misleading. As mentioned, konjac fiber contributes to improving the sensation of fullness and encourages a reduction in energy consumption. However, weight management is based on a variety of variables, including age, gender, BMI, and everyday energy expenditure. Dietary supplements containing konjac glucomannan as an appetite depressant may have potential weight-loss konjac tea benefits. The appeal of this strategy is practical as it promotes an effortless method as an alternative to maintaining nutritional awareness or following a balanced diet.
Konjac tea, derived from the konjac root, has gained popularity for its potential health konjac tea benefits, including weight management, digestive support, and overall wellness. Rich in glucomannan, a natural, soluble fiber, konjac tea can help increase feelings of fullness, which may be beneficial for those looking to manage their appetite. For anyone looking to try this unique beverage, it’s essential to compare options and shop wisely, as konjac tea cost can vary depending on quality and brand. When you’re ready to explore, it’s easy to find reputable sources where you can konjac tea buy, whether online or in specialty health food stores.
For many, konjac tea is an appealing addition to a health-focused lifestyle, and because of its increasing demand, there are numerous places to konjac tea buy. The price of konjac tea can depend on factors like organic certification, brand reputation, and added ingredients, such as flavors or natural extracts that enhance taste. Generally, konjac tea cost ranges from moderate to premium, so shopping around can be beneficial. Additionally, some online retailers offer subscription services or bulk-purchase discounts, which can lower the overall konjac tea cost making it more affordable for daily use.
In this article, we clarified that Konjac tea has therapeutic potential for reducing obesity, hypertension, and diabetes. We recommend that people without contraindications or disease-induced malnutrition should drink 200–400 mL of Konjac tea (the concentration does not exceed 2.5%) per day, seeped once a day, and avoid excessive intake within 3 months. In addition, we further highlighted the potential risks and adverse reactions as well as the precautions for long-term and excessive consumption of Konjac tea, which further identified this underutilized natural health product from the perspective of health safety. However, the specific mechanism by which Konjac tea exerts its long-term health-related functions and affects the human body needs to be further studied. More emphasis should be placed on the long-term effects of Konjac tea in food on the human body, and further health-related research is needed to help people choose foods beneficial to human health.
This review suggests that future studies can be further promoted along the following research directions:
(1) Further study the potential health konjac tea benefits by exploring the mechanism based on the substances in it;
(2) More extensive follow-up studies on solid Konjac products or different forms of Konjac tea in subjects of different ages and health should be conducted, and foodborne markers need to be tracked;
(3) Relatively large clinical studies should be conducted on the effects of solid and liquid Konjac tea on human health;
(4) More studies should be conducted to examine the physiological functions of Konjac administered in clinically appropriate recommended dosages and duration, and the long-term health konjac tea benefits and risks of consuming these products, especially Konjac tea, require further study.
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