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Track, manage, and reverse insulin resistance

Manage Diabetes

Track blood sugar, insulin resistance, and lifestyle markers with tools aligned to the ADA Standards of Care.

What type 2 diabetes really is, and what it isn't

Type 2 diabetes is a condition of progressive beta-cell failure on a background of insulin resistance. It is not "too much sugar" in the simplistic sense, and it is not a moral failing. The disease begins years, often decades, before blood glucose rises above diagnostic thresholds. By the time A1C crosses 6.5%, pancreatic beta-cell function has typically declined by 50% or more. This is why early detection of insulin resistance (via HOMA-IR, triglyceride/HDL ratio, or fasting insulin) matters so much: it identifies the disease in its silent, reversible phase.

The three pillars of type 2 management

The ADA Standards of Care organize diabetes care around three pillars: lifestyle, medication, and monitoring. Lifestyle is the foundation, 5-10% weight loss in newly diagnosed patients can produce remission in over 50% of cases (the DiRECT trial). When lifestyle alone is insufficient, metformin remains first-line for most patients, with GLP-1 receptor agonists and SGLT2 inhibitors added for cardiovascular or kidney protection. Monitoring via A1C (every 3-6 months), continuous glucose monitoring (for type 1 and insulin-treated type 2), and home glucose testing guides medication adjustments.

Reversal vs management

"Reversal" of type 2 diabetes, defined as A1C below 6.5% without medication, is achievable for a meaningful subset of patients. The DiRECT trial showed that intensive weight loss (10-15 kg) within 5 years of diagnosis put 46% of participants into remission at 1 year, and 36% at 2 years. Remission is more likely with shorter disease duration, lower starting A1C, and greater weight loss. It is not achievable for everyone, long-standing type 2 with significant beta-cell loss is much harder to reverse, but it should be the goal of every newly diagnosed patient.

What this page offers

Below you'll find a curated selection of calculators for diabetes prevention and management: A1C, HOMA-IR, FINDRISC, blood pressure, cholesterol ratios, glycemic load, keto, intermittent fasting, Mediterranean diet score, fiber, protein, sugar, BMI, waist-to-hip ratio, cardiovascular risk, and caffeine. Use them to understand where you are now, set targets, and track progress over time. Pair them with regular clinical care, the calculators support, but do not replace, your healthcare team.

Recommended tools for managing diabetes

A curated selection of calculators for this goal.

Health Risk

A1C Calculator

Convert A1C to eAG; track diabetes diagnosis and management target.

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Health Risk

HOMA-IR (Insulin Resistance)

Detect insulin resistance years before glucose rises.

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Health Risk

Diabetes Risk (FINDRISC)

10-year type 2 risk score in 8 quick questions.

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Health Risk

Blood Pressure Calculator

Hypertension accompanies diabetes, control both.

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Health Risk

Cholesterol Ratio Calculator

Diabetic dyslipidemia: high TG, low HDL. Track ratios.

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Diet Patterns

Glycemic Load Calculator

Predict post-meal glucose spikes from GI × carbs.

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Diet Patterns

Keto Calculator

Very-low-carb pattern that can put type 2 into remission.

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Diet Patterns

Intermittent Fasting Calculator

Time-restricted eating improves HOMA-IR 20-40%.

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Diet Patterns

Mediterranean Diet Score

ADA-endorsed eating pattern for type 2 prevention.

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Macros & Diet

Fiber Calculator

25-35 g/day fiber blunts post-meal glucose spikes.

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Macros & Diet

Protein Calculator

Preserve lean mass, diabetes accelerates muscle loss.

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Macros & Diet

Sugar Calculator

Keep added sugar under 25-36 g/day per AHA.

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Body Comp

BMI Calculator

Track weight loss; 5-10% loss often reverses prediabetes.

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Body Comp

Waist-to-Hip Ratio

Visceral fat is the strongest anthropometric diabetes predictor.

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Health Risk

Cardiovascular Risk

Diabetes roughly doubles ASCVD risk, know your number.

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Health Risk

Caffeine Calculator

Caffeine can transiently raise glucose, track if sensitive.

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ADA Standards of Care 2025, key targets

MarkerTargetFrequency
A1C<7.0% (individualized 6.5-8.0)Every 3-6 months
Fasting glucose80-130 mg/dLDaily (if testing)
Postprandial glucose (2h)<180 mg/dLAs needed
Blood pressure<130/80 mmHgEvery visit
LDL cholesterol<70 mg/dL (with ASCVD); <100 otherwiseAnnually
Triglycerides<150 mg/dLAnnually
eGFR≥60 mL/min/1.73m²Annually (more if low)
Urine albumin/creatinine<30 mg/gAnnually
BMI18.5-24.9 (or personalized)Each visit
Waist circumference<40 in (M), <35 in (F)Each visit
Activity150 min/week + 2 strengthOngoing
Sleep7-9 hours nightlyOngoing

Frequently asked questions

In many cases, yes, particularly when caught early. The DiRECT trial showed 46% of newly diagnosed patients achieved remission after intensive weight loss (10-15 kg). Remission is more likely with shorter disease duration and greater weight loss.
The ADA recommends below 7.0% for most non-pregnant adults. Older adults or those with comorbidities may target 7.5-8.0% to avoid hypoglycemia. Prediabetes should target below 5.7%.
Yes, under medical supervision. Very-low-carb diets can lower A1C and reduce medication needs. Work with your clinician, particularly if you take insulin or sulfonylureas, as doses will likely need to drop to prevent hypoglycemia.
For type 2 not on insulin, daily testing is often not necessary. A1C every 3-6 months is the main metric. For those on insulin or with poorly controlled glucose, home testing (or continuous glucose monitoring) is essential.
There is no single best diet. ADA-endorsed patterns include Mediterranean, DASH, low-carb, and vegetarian. The best diet is one you can sustain. Common features: high in vegetables, fiber, and legumes; moderate in protein; low in added sugar and refined grains; minimal ultra-processed food.