Can You Actually Reverse Type 2 Diabetes? What the Latest Science Says

By Fadi — Unicity Senior Director Distributor & Metabolic Coach · Published 2026-06-22 · Updated 2026-06-24 · 8 min read

Quick answer: The science on type 2 diabetes reversal is clear: yes, it's possible for many people. Here's what reversal means, how it's achieved, and how long it takes.

For decades, patients with type 2 diabetes were told: "This is a progressive disease. You'll be on medication for life, and eventually you'll need insulin." That message is now being challenged — not by fringe medicine, but by landmark research from some of the world's most respected institutions.

The consensus has shifted. Type 2 diabetes remission is real, achievable, and increasingly well-documented. Here's what the science actually says.

What Does "Reversing" Type 2 Diabetes Actually Mean?

The medical community prefers the term remission over "reversal." Remission is defined as an HbA1c below 6.5% (48 mmol/mol) for at least 3 months, without the use of diabetes medication. This is the same threshold used to diagnose diabetes in the first place.

Partial remission: HbA1c between 5.7% and 6.5% without medication.
Complete remission: HbA1c below 5.7% without medication (i.e., normal range) for at least 1 year.
Prolonged remission: Complete remission maintained for 5+ years.

Importantly, remission does not mean the underlying tendency toward insulin resistance is gone — it means the disease is under sufficient metabolic control that it no longer meets the clinical definition of diabetes. Maintaining remission typically requires sustained lifestyle practices.

The Evidence: Three Landmark Studies

The DiRECT Trial (2018, UK) — The most significant study to date. 298 people with type 2 diabetes followed a very low-calorie diet (825–853 calories/day for 3–5 months) under medical supervision. After one year, 46% of participants achieved diabetes remission. After two years, 36% remained in remission. Weight loss was the primary driver — participants who lost 15kg or more had a remission rate of 86%.

Virta Health Studies (2019–2022, USA) — Virta Health enrolled 349 people with type 2 diabetes in a continuous-care ketogenic diet program. After one year, 60% of participants achieved an HbA1c below 6.5%. More remarkably, 94% reduced or eliminated their insulin use. After two years, 53.5% remained in remission and participants had sustained an average weight loss of 12%.

The BMJ Fasting Case Series (2018) — Three men with type 2 diabetes adopted supervised intermittent fasting (24-hour fasts 3x/week). Within 7–11 months, all three had achieved remission and discontinued all diabetes medications including insulin.

Why Does Weight Loss Cause Remission?

The key mechanism — identified by Professor Roy Taylor at Newcastle University through his "Twin Cycle Hypothesis" — is fat removal from the liver and pancreas.

In type 2 diabetes, excess fat accumulates in the liver (causing hepatic insulin resistance — the liver over-produces glucose) and in the pancreas (impairing the beta cells that produce insulin). When sufficient weight is lost — Taylor's research suggests about 1 gram of fat removed from the pancreas is sufficient — beta cell function partially restores and hepatic insulin resistance improves.

This is why people who achieve remission through weight loss often see their blood sugar normalise within days of beginning the intervention, long before significant weight loss has occurred. The initial improvement comes from liver fat reduction; the deeper, sustained improvement comes from pancreatic fat reduction.

Who Is Most Likely to Achieve Remission?

Research consistently shows these factors predict better remission outcomes:

• Earlier diagnosis — people within 6 years of diagnosis have the highest remission rates. The longer beta cells have been under stress, the harder recovery becomes.
• Greater initial weight loss — losing 10–15% of body weight is the strongest predictor of remission
• Lower HbA1c at baseline — the less severe the diabetes, the more reversible it tends to be
• Not insulin-dependent — those still producing meaningful insulin from their pancreas have better odds than those who have lost most beta cell function

The Role of Intermittent Fasting and the Feel Great System

While very low-calorie diets produce the fastest results in clinical settings, they are extremely difficult to maintain long-term without medical supervision. Intermittent fasting — particularly the 16:8 protocol — offers a more sustainable path to the same metabolic destination.

The Feel Great System supports this process by addressing the two critical points of metabolic control:

During the fasting window, Unimate (a concentrated yerba maté drink) suppresses appetite and enhances fat oxidation, helping the body burn existing fat stores — including the visceral and organ fat implicated in diabetes.

During the eating window, Unicity Balance before meals slows glucose absorption, directly reducing post-meal insulin spikes. This gives the pancreas relief from constant high-demand insulin secretion, allowing gradual recovery of beta cell function.

Neither product is a diabetes treatment. But as part of a comprehensive metabolic lifestyle strategy — alongside a low-glycaemic diet and regular movement — they provide meaningful, evidence-supported metabolic support.

What Remission Does Not Mean

It is critical to understand that remission does not mean you are "cured" in a permanent, unconditional sense. People in remission who return to the dietary and lifestyle patterns that caused their diabetes typically see it return — often within 1–2 years. Remission requires maintenance.

Additionally, some long-term complications of diabetes (such as neuropathy or retinopathy that has already developed) may not reverse even if blood sugar normalises. The earlier remission is achieved, the more complications can be prevented.

Important: Do not discontinue diabetes medications without your doctor's guidance, even if your blood sugar improves. Take our metabolic quiz to explore how lifestyle tools can support your journey.

Scientific Synergy of Viscous Fiber and Fasting

The metabolic benefits of combining viscous soluble fiber (like the Biosphere Fiber matrix in Unicity Balance) with intermittent fasting are documented in clinical research. Soluble fiber slows gastric emptying and carbohydrate digestion, which stretches the satiety signal GLP-1 and keeps post-meal glucose spikes low. When you transition into the fasting window, your baseline insulin levels are already lower, allowing your body to transition into fat-burning mode (ketosis) much faster. This synergetic relationship is why combining Unimate yerba mate in the morning with Balance before lunch and dinner yields superior weight management and metabolic health outcomes compared to calorie restriction alone.

The Complex Science of Insulin Signaling and Resistance

Insulin is a hormone produced by beta cells in the pancreas, vital for regulating carbohydrates and fat metabolism. When glucose enters the blood, insulin binds to receptors on cellular membranes, initiating a cascade of intracellular signals that recruit glucose transporter proteins (GLUT4) to the cell surface. This allows glucose to enter cells, lowering blood sugar. However, chronic overconsumption of carbohydrates causes constant, high insulin release. Over time, receptors become desensitized to insulin, a condition known as insulin resistance. The pancreas compensates by producing even more insulin to force glucose into cells. This state of hyperinsulinemia prevents lipolysis (fat breakdown) and encourages lipogenesis (fat storage), particularly visceral fat accumulation around organs, leading to cardiovascular risk, metabolic syndrome, and fatigue.

The Physical Action of Soluble Fiber and Gastric Gel Barriers

Soluble fiber matrices, such as the Biosphere fiber system, operate on physical and chemical principles in the gut. Upon hydration in the stomach, the fiber particles swell and form a thick, viscous gel. This gel slows down gastric emptying, delaying the transit of food into the duodenum. In the small intestine, the viscous gel acts as a physical barrier, trapping sugars and starch molecules. This slows down their exposure to digestive enzymes (like amylase) and delays their absorption across the intestinal microvilli. Consequently, glucose enters the bloodstream gradually over several hours, rather than in a sudden spike. This flat glucose curve prevents the subsequent crash in blood sugar, eliminating reactive hypoglycemia, reducing insulin demand, and helping maintain stable, long-lasting energy.

The Metabolic Pathway of Autophagy and Ketosis

During a 16-hour fast, the body transitions from an anabolic state (storing energy) to a catabolic state (mobilizing energy). As liver glycogen stores are depleted, insulin levels drop, and glucagon levels rise. This shift activates hormone-sensitive lipase, which breaks down triglycerides in adipose tissue into free fatty acids. These fatty acids are transported to the liver, where they undergo beta-oxidation to produce ketone bodies (acetoacetate and beta-hydroxybutyrate). Ketones cross the blood-brain barrier, providing an alternative fuel source that is more energy-efficient than glucose and produces fewer reactive oxygen species. Fasting also triggers autophagy, where cells degrade damaged mitochondria, misfolded proteins, and viral components. This cellular recycling promotes longevity, reduces inflammation, and restores metabolic health.

Chlorogenic Acids and Theobromine in Concentrated Yerba Mate

Concentrated Yerba Mate extracts, such as Unimate, contain a high concentration of bioactive phytochemicals that support metabolism and mental clarity. Chlorogenic acids are polyphenol antioxidants that inhibit glucose-6-phosphatase, an enzyme involved in hepatic glucose production, thereby helping regulate blood sugar levels. Theobromine, a methylxanthine also found in cacao, acts as a mild central nervous system stimulant and smooth muscle relaxant. Unlike caffeine, which can cause vasoconstriction and jittery energy crashes, theobromine promotes vasodilation and a sustained, calm focus. Additionally, saponins in Yerba Mate have anti-inflammatory and cholesterol-lowering properties, supporting heart health and suppressing appetite during fasting windows.

Strategies for Achieving Metabolic Resilience and Flexibility

Metabolic flexibility is the body's capacity to adapt fuel oxidation to fuel availability, easily switching between burning carbohydrates and fats. In an unhealthy metabolic state, the body is locked into burning glucose, leading to frequent hunger and fatigue. To rebuild this flexibility, one must combine consistent fasting windows with targeted fiber supplementation. Taking a fiber matrix before meals slows digestion and insulin release, while morning fasting extends the fat-burning state. Regular physical activity, adequate sleep, and reducing refined sugar intake complement this protocol. Over weeks and months, cellular pathways adapt, insulin sensitivity improves, and energy levels stabilize, providing lasting resilience against modern chronic metabolic conditions.

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