What do Japanese people take for diabetes?

Updated: May 15, 2026TopvitamineDiscover the common treatments and remedies Japanese people use to manage diabetes. Learn about traditional and modern approaches to healthier living in Japan.

Introduction

Diabetes management looks different around the world, shaped by culture, cuisine, and access to healthcare. In Japan, people often blend traditional knowledge with modern science, using food, herbs, and well-studied supplements as complements to medical care. This article explores how Japanese diabetes remedies are understood and used today—what the options are, how they might work, and what credible evidence says about their role. Our goal is to help you make informed decisions about traditional Japanese medicinal herbs, Japanese folk remedies for diabetes, and contemporary supplements, with a clear appreciation for the limits of self-diagnosis and the value of personalized advice.

Understanding Diabetes and Its Symptoms

Diabetes refers to a group of conditions marked by chronically elevated blood glucose. The most common types are type 2 diabetes (T2D), characterized by insulin resistance and/or impaired insulin secretion; type 1 diabetes (autoimmune destruction of insulin-producing cells); and gestational diabetes (developing during pregnancy). In Japan—where average body mass index tends to be lower than in many Western countries—T2D still occurs frequently, with national surveys estimating that millions are living with or at high risk for diabetes. One biological factor is that many East Asian populations have relatively lower insulin secretory capacity, so blood sugar can rise even at modest weight gain or central adiposity.

Common signs and symptoms include increased thirst and urination, fatigue, blurred vision, frequent infections, slow-healing wounds, and unexplained weight loss (more typical of type 1). Over time, unmanaged hyperglycemia can affect the eyes, kidneys, nerves, and cardiovascular system. Early detection matters because lifestyle measures, medications, and targeted support (including nutrition strategies) can slow progression and reduce complications.

Why Recognizing Symptoms Is Not Enough

Although symptoms can be a cue to seek help, they overlap with many conditions. Fatigue, for example, may reflect sleep issues, thyroid problems, anemia, or stress—not just elevated glucose. Likewise, some people with diabetes have no obvious symptoms for years. Relying on symptoms alone risks late detection and missed opportunities for early intervention. The most reliable way to understand your blood sugar status is through testing—fasting glucose, oral glucose tolerance tests, and HbA1c—interpreted by a qualified clinician. When considering supplements or traditional approaches, accurate diagnosis provides a safer, more effective foundation.

The Significance of Cultural and Traditional Approaches in Japan

Japan’s health traditions include Kampo (Japanese herbal medicine), folk remedies, and deeply ingrained dietary patterns (washoku). Many people start with food-based strategies—portion control, fiber-rich ingredients, and mindful preparation—to smooth post-meal glucose swings. Herbal approaches, meanwhile, historically sought to restore balance and resilience, and today are often integrated with modern medical care for supportive roles.

Japanese folk remedies for diabetes sometimes involve ingredients like mulberry leaves, bitter melon (goya), and konjac (konnyaku), used for generations in certain regions. Another thread is fermentation (miso, natto) and vinegar-based pickles, reflecting a culinary philosophy that emphasizes variety, subtle seasoning, and satiety without excess calories. These practices don’t replace medical care, but they can shape daily routines that favor steadier glucose.

Dietary approaches include:

Emphasis on vegetables, seaweeds, mushrooms, tofu/soy, and fish.
Moderate portions of rice, often paired with fiber-rich sides to blunt glucose spikes.
Use of vinegar dressings and pickles, which may modestly reduce post-meal glycemia.
Green tea consumption, providing polyphenols that have been studied for metabolic effects.
In some households, barley-rice mixes (mugi-gohan) to add beta-glucan fiber.

In modern Japan, traditional Japanese medicinal herbs sometimes appear in registered Kampo formulas prescribed by physicians, or they are included in over-the-counter supplements focused on postprandial support. The goal is typically to complement core medical treatment and lifestyle changes—not to serve as a cure or a standalone therapy.

How Traditional Japanese Herbal Treatments Contribute to Blood Sugar Management

Several botanicals appear in traditional formulas or contemporary supplements in Japan. Scientific evidence varies by herb, but common mechanisms include slowing carbohydrate breakdown, improving glucose transport into cells, modulating insulin signaling, or supporting satiety.

Konjac (Konnyaku; glucomannan): A viscous soluble fiber that can increase satiety and slow gastric emptying, potentially smoothing post-meal glucose. Studies suggest that 2–4 g/day, taken with adequate water, may reduce postprandial spikes as part of a fiber-rich diet.
Mulberry leaf (Morus alba): Contains 1-deoxynojirimycin (DNJ), a natural alpha-glucosidase inhibitor that can modestly limit the breakdown of complex carbs and reduce rapid glucose absorption. Trials report small but meaningful reductions in post-meal glucose when taken with carbohydrate-rich meals.
Banaba leaf (Lagerstroemia speciosa): Rich in corosolic acid and ellagitannins. Laboratory and small clinical studies suggest potential support for glucose uptake (e.g., via GLUT4 translocation) and improved glycemic parameters in some individuals. Typical supplement extracts are standardized to 1–2% corosolic acid, with study doses often providing 4–12 mg/day of corosolic acid.
Gynostemma (Jiaogulan): Although of broader East Asian origin, it appears in some Japanese products. Early research suggests AMPK activation and potential insulin-sensitizing effects. Clinical data are still limited, with small trials indicating modest glycemic improvements alongside diet.
Kudzu root (Pueraria lobata): Traditionally used in East Asian medicine. Its isoflavones, including puerarin, have been explored for vascular function and antioxidant effects. Evidence for direct glucose lowering is preliminary; potential value may be more supportive (e.g., endothelial health) in a comprehensive plan.
Salacia (Salacia reticulata): Widely used in Japan for carbohydrate-heavy meals. Compounds like salacinol and kotalanol inhibit intestinal alpha-glucosidase, attenuating post-meal glucose excursions. Human studies show reductions in postprandial glucose when taken before carbohydrate intake.
Bitter melon (Momordica charantia; goya): Culinary and supplemental forms exist. Bioactives (charantin, polypeptide-p) are being studied for insulin-like and insulin-sensitizing properties. Results are mixed; some small trials suggest modest glycemic benefits, especially for postprandial control.

In all cases, individual responses vary. Herbs that slow carbohydrate absorption can cause gastrointestinal side effects (bloating, gas) and may interact additively with medications like acarbose. Herbs that may influence insulin action could, in theory, potentiate hypoglycemia when combined with diabetes drugs. This is why professional guidance is essential.

Modern Japanese Natural Diabetes Supplements

Japan’s supplement market includes products designed to support post-meal glucose control and overall metabolic health. These often pair traditional Japanese medicinal herbs with nutrients studied for glycemic or cardiometabolic endpoints. Unlike medications, supplements are not intended to treat or cure disease, but they may help people fine-tune dietary patterns and address nutritional gaps.

Common ingredients in Japanese natural diabetes supplements include:

Alpha-glucosidase inhibitors from botanicals (e.g., mulberry leaf DNJ, salacia): Target postprandial spikes by slowing carbohydrate digestion.
Soluble fibers (e.g., glucomannan from konjac, inulin): Promote satiety, delay gastric emptying, and blunt rapid glucose absorption.
Plant compounds affecting glucose uptake (e.g., corosolic acid from banaba): May support GLUT4 translocation and cellular glucose handling.
Polyphenols (e.g., green tea catechins/EGCG): Studied for modest effects on weight management, lipid profile, and glucose metabolism; results are variable.
Minerals and vitamins (e.g., magnesium, vitamin D): Not disease treatments, but correcting insufficiencies can support normal physiological processes relevant to glucose regulation.
Omega-3 fatty acids (DHA/EPA): Primarily for triglyceride and cardiovascular support; important for many with diabetes due to cardiometabolic risk.

Evidence ranges from mechanistic lab studies to small randomized trials and meta-analyses. In general, effects are modest and best seen when supplements are combined with dietary improvements, physical activity, sleep optimization, and standard medical care.

Popular Japanese Dietary Supplements and Their Role in Blood Sugar Control

Contemporary Japanese products often use herbal blends inspired by folk use—such as mulberry leaf plus salacia for postprandial support—alongside soluble fiber to increase satiety. Others incorporate green tea extracts or banaba. The intention is not to replace medications or diet but to complement them.

Japanese herbal formulas: Kampo-derived or folk-inspired blends (for example, including salacia and mulberry leaf) may be designed for use before carb-heavy meals. The primary benefit is typically the attenuation of rapid post-meal glucose rises, which can contribute to steadier energy and potentially better long-term glycemic patterns when combined with broader lifestyle habits.
Traditional Japanese medicinal herbs in modern formulations: Ingredients like konjac fiber and green tea catechins are common. A standard practical approach is to use fiber alongside meals that include rice or noodles, or to drink unsweetened green tea as a calorie-free beverage that aligns with cultural patterns.
Complementing conventional treatments: Supplements can be layered onto evidence-based medical treatment plans, but they require the same level of professional oversight—especially if blood sugar–lowering effects are expected. Monitoring is important to avoid hypoglycemia and to assess actual benefit via metrics like HbA1c and postprandial readings.

Who Should Consider Japanese Nutritional Supplements?

Not everyone needs supplements. For some, dietary changes and consistent physical activity are enough to maintain healthy glucose patterns. Others may benefit from targeted products. People who might consider Japanese natural diabetes supplements include:

Individuals with early signs of blood sugar imbalance (e.g., higher-than-optimal post-meal readings) confirmed by testing.
Those seeking a holistic approach that blends traditional practices with modern health science.
Patients on stable medication who, under clinician guidance, wish to explore additional supportive tools.
People with family history or other risk factors who want preventive support and prefer herbal-based options.

Situations Where Nutritional Supplements Make Sense

When lifestyle changes need reinforcement: Adding soluble fiber or alpha-glucosidase–inhibiting herbs before carbohydrate-rich meals may provide practical help while diet quality is improving.
As part of an integrative health plan: Supplements are most effective when thoughtfully integrated with personalized goals, lab monitoring, and professional guidance.
Preventive support for high-risk individuals: Those with prediabetes, central adiposity, or gestational diabetes history may discuss options with their clinician to complement lifestyle measures.
Recognizing limits: Supplements cannot compensate for an overall high-glycemic diet, insufficient sleep, chronic stress, or lack of activity. They are tools, not substitutes.

The Role of Personalized Health Profiles and Professional Guidance

In Japan as elsewhere, no supplement strategy works for everyone. Genetic background, gut microbiome, dietary patterns, medications, sleep, stress, and physical activity all influence glycemic responses. Moreover, some individuals experience glucose rises primarily due to reduced insulin secretion; others due to insulin resistance; many have a blend. Without understanding these nuances, supplement selection can be hit-or-miss.

Professional guidance helps in several ways:

Accurate diagnosis and baselines: Fasting glucose, HbA1c, and postprandial checks provide a clear starting point.
Safety and interactions: Herbs with glycemic effects can interact with medications. Doses and timing matter, especially around meals.
Tailored choices: If postprandial spikes are the main issue, alpha-glucosidase–focused botanicals may be prioritized. If appetite regulation is key, fiber might be emphasized. Cardiometabolic risk may call for omega-3 fatty acids.

Self-diagnosing based on symptoms alone can mislead. Monitoring real-world responses—ideally with clinician input—enables smarter, safer decisions.

Connecting the Dots: From Symptoms to Solutions

Moving from vague symptoms to effective solutions requires clarity about root causes. Frequent urination or fatigue might reflect glucose issues—but also many other conditions. Japanese diabetes remedies, whether traditional herbs like mulberry leaf and salacia or modern supplements with konjac fiber and green tea catechins, are most helpful when chosen to fit the individual’s pattern: post-meal spikes, fasting elevations, or cardiometabolic risks like high triglycerides.

Combining traditional knowledge with modern science offers a broader toolkit. For instance, using vinegar-based side dishes and green tea reflects cultural wisdom; adding a standardized mulberry leaf extract before rice-heavy meals applies pharmacognosy; optimizing magnesium intake connects nutrient physiology with insulin signaling. When these pieces align—and when progress is checked through testing—supplements can make practical sense as part of an integrated plan.

Japanese Dietary Approaches for Blood Sugar Control

Diet is the daily foundation of glycemic health. In Japan, several patterns help moderate postprandial glucose:

Meal structure: Many traditional meals emphasize vegetables, miso soup, and protein-rich sides before rice. Starting with fiber and protein can reduce the glycemic impact of starches later in the meal.
Barley and mixed grains: Adding barley (beta-glucans) to rice can modestly lower the glycemic response and improve satiety.
Seaweeds and mushrooms: Low-calorie, fiber-rich, and micronutrient-dense, they contribute volume without excessive carbohydrates.
Vinegar and pickles: Acetic acid has been shown to reduce postprandial glucose in some studies by slowing gastric emptying and improving muscle glucose uptake.
Green tea: Catechins and caffeine may modestly influence metabolism and fat oxidation; unsweetened tea also replaces sugary beverages.
Fermented soy (miso, natto): Offers protein and unique bioactives; natto provides vitamin K2, which supports bone health and may have cardiometabolic relevance.
Cooling and reheating starches: Leftover rice (e.g., onigiri prepared ahead) may contain slightly more resistant starch after chilling, which can modestly lower its glycemic impact.

These habits do not eliminate diabetes risk, but they nudge everyday meals toward steadier glucose. When paired with portion awareness and physical activity (such as post-meal walking), improvements can be meaningful.

Evidence-Based Supplements Often Considered in Japan

Below are commonly discussed ingredients in Japanese natural diabetes supplements. Research is evolving; results vary by dose, extract standardization, and individual biology.

Konjac (Glucomannan): 2–4 g/day, taken with plenty of water before meals, can promote satiety and blunt rapid glucose rises. May support weight management, indirectly benefiting glycemic control.
Mulberry leaf (DNJ): Doses vary by standardization; products often deliver milligram-level DNJ before carb-rich meals to reduce glucose surges. Can cause GI discomfort in some.
Salacia extracts: Typically taken prior to carbohydrate intake; human studies report reduced postprandial glucose and insulin excursions. Potential additive effects with alpha-glucosidase–inhibiting drugs.
Banaba (corosolic acid): Some trials show modest improvements in fasting glucose and post-meal glucose; effects are variable. Monitor for additive hypoglycemia if on glucose-lowering medication.
Bitter melon: Culinary use is common in Okinawa; supplemental extracts are studied with mixed findings. Generally better considered as an adjunct to diet.
Green tea catechins (EGCG): Modest metabolic effects; consider decaffeinated options if sensitive to caffeine, especially later in the day.
Magnesium: Low magnesium status is associated with insulin resistance and higher diabetes risk. In people with insufficient intake, restoring adequate magnesium may support normal glucose handling and blood pressure. Explore quality magnesium supplements with clinician guidance.
Vitamin D: Deficiency is common worldwide and has been linked in observational studies to adverse metabolic markers. Supplementation supports overall health; effects on glycemia are inconsistent, but ensuring adequate vitamin D levels is prudent for many people.
Omega-3 fatty acids (DHA/EPA): Not a glucose-lowering tool, but beneficial for triglycerides and cardiovascular health—key concerns in diabetes. Consider high-quality omega-3 (DHA/EPA) options as part of cardiometabolic support.

These supplements are not drugs and should not be used as standalone therapies. When they help, it’s usually as a complement to diet, exercise, sleep hygiene, stress management, and prescribed medications.

Practical Use: Timing, Dosage, and Safety

Because many traditional Japanese herbal treatments act primarily on postprandial glucose, timing relative to meals matters. For example, mulberry leaf, salacia, or konjac fiber are often taken shortly before eating carbohydrate-rich foods like rice or noodles. Typical study-informed ranges (always check product labels and consult a clinician):

Konjac/glucomannan: 1–2 g with 1–2 glasses of water, 15–30 minutes before meals; up to ~3–4 g/day total.
Mulberry leaf (DNJ): Product-dependent; often standardized to deliver DNJ in the low milligram range before meals.
Salacia: ~200–500 mg extract before carbohydrate-containing meals, product-dependent.
Banaba (corosolic acid): Doses vary; many studies provide a total of ~4–12 mg/day of corosolic acid.
Green tea catechins: ~300–600 mg/day EGCG from tea/extracts; note caffeine sensitivity.
Magnesium: Ranges differ by form; magnesium glycinate or citrate are common. Stay within recommended intakes unless supervised.
Vitamin D: Dose based on blood levels and clinician guidance; aim for sufficiency, not excess.
Omega-3 (DHA/EPA): Commonly 1–2 g/day combined EPA+DHA for triglyceride support; work with your clinician.

Safety notes:

Herbs affecting carbohydrate digestion may cause bloating, gas, or loose stools, especially when starting.
Potential additive effects with medications (e.g., acarbose for alpha-glucosidase inhibition). Monitor blood glucose closely.
Risk of hypoglycemia if combining multiple glucose-lowering interventions without adjusting medication.
Konjac fiber must be taken with ample water to prevent choking or esophageal obstruction.
Pregnancy, breastfeeding, liver/kidney conditions, and polypharmacy require extra caution and medical oversight.

Beyond Supplements: Lifestyle Foundations Seen in Japan

Even the most thoughtfully chosen supplement cannot outpace the daily impact of lifestyle. Several everyday habits align with healthier glucose patterns:

Movement after meals: A 10–20 minute walk can reduce postprandial glucose via enhanced muscle uptake.
Sleep and circadian rhythm: Consistent sleep supports insulin sensitivity; shift work and late-night eating can elevate glucose.
Stress management: Chronic stress hormones (e.g., cortisol) can worsen insulin resistance; practices like gentle stretching, meditation, or baths may help.
Protein and fiber with carbohydrates: Balancing macronutrients at each meal can slow glucose entry into the bloodstream.
Alcohol moderation: Sake or beer can affect glucose and triglycerides; moderation and food pairing help stabilize responses.

Individual Variability: Why Results Differ

Two people can eat the same bowl of rice and have different glucose curves. Reasons include genetics, gut microbiome, time of day, prior activity, sleep quality, stress, and what else is eaten with the meal. This variability explains why some individuals report noticeable benefits from DNJ or salacia, while others see little change. It also underscores the importance of testing—either periodic capillary glucose checks or continuous glucose monitoring (CGM) when available. Objective data prevents guesswork and helps align interventions with your biology.

Frequently Integrated Conventional Care in Japan

Medical care is central. Oral medications (such as metformin, DPP-4 inhibitors, SGLT2 inhibitors, or alpha-glucosidase inhibitors) and injectable therapies (GLP-1 receptor agonists, insulin) are used when indicated. Dietary counseling and activity recommendations are standard. Within this framework, traditional Japanese herbal treatments and supplements are sometimes added to address specific goals like managing postprandial peaks, appetite, or lipid profiles—always with attention to interactions and ongoing monitoring.

Case-Style Scenarios (Educational)

These examples illustrate how different priorities shape supplement choices. They are not medical advice.

Post-meal spikes dominate: An office worker sees sharp rises after lunch. A clinician suggests dietary sequencing (vegetables first), walking after meals, and trialing mulberry leaf or salacia before rice-based lunches. Response is monitored via fingerstick checks.
Appetite and weight are central: A person with prediabetes struggles with late-night snacking. Emphasis is placed on protein at dinner, earlier bedtime, and konjac fiber to increase satiety. Results are tracked with weight and fasting glucose.
Cardiometabolic risk: A middle-aged adult with diabetes and high triglycerides prioritizes cardiovascular health, adding dietary fish and considering omega-3 (DHA/EPA) with clinician input, alongside exploration of magnesium if intake is low and ensuring adequate vitamin D status.

Putting It All Together

Japanese diabetes remedies offer a spectrum of supportive tools—from time-tested dietary patterns and Kampo-inspired herbs to modern nutritional supplements. The strongest results come when these tools are linked to your actual physiology, verified by testing, and integrated with medical care. Rather than chasing a single “magic” product, think in terms of a system: meal composition, movement, sleep, stress, medications when needed, and targeted supplements that match your goals and response data.

Key Takeaways

Japanese approaches combine traditional diet, folk herbs, and modern supplements to complement medical care.
Symptoms alone are unreliable; testing (fasting glucose, HbA1c, postprandial checks) guides safe, effective choices.
Common traditional supports include mulberry leaf (DNJ), salacia, konjac fiber, banaba, and green tea catechins.
Many herbs work by slowing carbohydrate digestion or modestly supporting insulin action—effects are usually modest.
Individual responses vary; monitor with objective data to avoid guesswork.
Safety matters: watch for GI side effects and additive glucose-lowering with medications.
Magnesium, vitamin D, and omega-3s support broader metabolic and cardiovascular health when needed.
Dietary patterns—vegetables first, fiber with carbs, vinegar/green tea, mixed grains—help manage post-meal glucose.
Supplements are adjuncts, not replacements, for lifestyle and prescribed therapies.
Professional guidance ensures personalization, safety, and measurable progress.

Q&A: What Do Japanese People Take for Diabetes?

Q1: Are there uniquely Japanese herbs for blood sugar support?
A: Japan commonly uses mulberry leaf (DNJ), salacia, and konjac fiber, all of which align with local dietary culture and Kampo traditions. These herbs are intended to support post-meal glucose control rather than replace medications.

Q2: Do Japanese people rely on supplements instead of medicine?
A: No. In Japan, supplements are seen as adjuncts to medical care and healthy lifestyle habits. Physicians frequently recommend diet, activity, and medications when indicated; supplements may be added to address specific goals.

Q3: How does mulberry leaf help after eating rice?
A: Mulberry leaf contains DNJ, which inhibits enzymes that break down complex carbohydrates. When taken before carbohydrate-rich meals, it may reduce the rate of glucose absorption and blunt post-meal spikes.

Q4: Is konjac (glucomannan) just a weight-loss fiber?
A: Konjac is a viscous soluble fiber that promotes fullness and slows gastric emptying. While that can aid weight management, it also helps moderate postprandial glucose when used before meals, especially alongside balanced eating.

Q5: What about green tea? Does it lower blood sugar?
A: Green tea provides catechins (like EGCG) studied for metabolic effects, but glucose-lowering results are modest and inconsistent. It’s more reliable as a calorie-free beverage choice that supports an overall healthy pattern.

Q6: Are there safety concerns with Japanese herbal supplements?
A: Yes. Herbs that impact carbohydrate digestion can cause GI symptoms and may interact with glucose-lowering medications, risking hypoglycemia. Always review products with a healthcare professional, especially if on medications.

Q7: Do Japanese people mix barley with rice to manage blood sugar?
A: Many households add barley (beta-glucan) to rice to increase fiber and reduce the glycemic response. This is a practical, culturally familiar method to improve post-meal glucose patterns.

Q8: Can omega-3s help with diabetes?
A: Omega-3s (DHA/EPA) are not direct glucose-lowering agents but support cardiovascular health by reducing triglycerides—important for people with diabetes. They’re a complementary tool, not a primary glycemic intervention.

Q9: Is vitamin D relevant to blood sugar?
A: Low vitamin D status is associated with worse metabolic markers in some studies. Supplementation ensures sufficiency, which supports overall health, though direct glycemic benefits are inconsistent and person-specific.

Q10: How can I know if a supplement is working?
A: Track objective markers: fasting glucose, HbA1c, and postprandial readings (or CGM data). Evaluate changes over weeks to months, ideally with clinician guidance, and adjust your plan accordingly.

Q11: Are Kampo formulas prescribed for diabetes in Japan?
A: Some Kampo formulas are used to support related symptoms or metabolic patterns under medical supervision. They’re part of integrative care and should be used with professional oversight to manage interactions and expectations.

Q12: What’s the most important step before trying these remedies?
A: Get a clear diagnosis and baseline labs. Discuss supplement options with your healthcare provider to ensure safety, appropriate dosing, and effective integration with your broader plan.

Conclusion

Japanese diabetes remedies sit at the intersection of tradition and science. Dietary practices—vegetables first, mindful portions, fiber-rich sides, green tea, and vinegar—lay the foundation for steadier glucose. Traditional Japanese herbal treatments like mulberry leaf, salacia, and konjac fiber, alongside modern supplements such as green tea catechins or nutrients like magnesium and vitamin D, can provide targeted support when thoughtfully chosen. The key is personalization: understand your biology through testing, integrate changes with medical advice, and monitor outcomes. Supplements add value as part of a broader, evidence-informed strategy for long-term metabolic health.

Call to Action

Discuss traditional herbs and modern supplements with your clinician, especially if you take diabetes medications.
Consider objective tracking—post-meal checks or CGM—to tailor your approach beyond guesswork.
Explore high-quality options to support broader metabolic health, including magnesium, vitamin D, and DHA/EPA omega-3s as appropriate.
Stay informed as research evolves on traditional Japanese medicinal herbs and integrative approaches to blood sugar management.

Keywords

Japanese diabetes remedies, traditional Japanese herbal treatments, Japanese natural diabetes supplements, Japanese folk remedies for diabetes, Japanese dietary approaches for blood sugar control, traditional Japanese medicinal herbs, mulberry leaf DNJ, salacia reticulata, konjac glucomannan, banaba corosolic acid, bitter melon goya, green tea catechins EGCG, alpha-glucosidase inhibitors, postprandial glucose, insulin resistance, GLUT4, AMPK, HbA1c, magnesium and insulin sensitivity, vitamin D and metabolism, omega-3 triglycerides, Kampo medicine, washoku diet, vinegar and glycemia, barley beta-glucan, resistant starch, personalized nutrition, integrative diabetes support

What do Japanese people take for diabetes?

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