Complaints & connections · borters.ch

Type-2 diabetes / insulin resistance

DE FR EN

The key insulin still fits, but the lock is stiff — the earlier you act, the more can be regained.

Also known as: type 2 diabetes · prediabetes

Open in the tool — with search and all the links →

This compilation is for information and replaces neither medical diagnosis nor treatment. If you have symptoms, see a doctor.

Insulin is the key that lets sugar out of the blood and into the cells. In type 2 the key still fits but the lock sticks: the cells respond less well, the pancreas compensates for years with more insulin, and only when it can no longer keep up does blood sugar rise measurably. The road therefore starts long before the diagnosis — raised insulin comes before raised sugar. That is exactly why looking early pays, and why the early stage is not a harmless in-between but the point with the greatest leverage. Two numbers shape the conversation: fasting glucose as a snapshot and HbA1c as a look back over about three months. A single raised value is not yet a diagnosis. What works is unspectacular and well established: weight, movement and the kind of carbohydrate. A walk after eating measurably lowers the peak that follows; muscles take up sugar even without insulin, which makes strength training more useful than its reputation suggests. With substantial weight loss in the first years after diagnosis, blood sugar can return to the normal range. What matters throughout is what runs on quietly: eyes, kidneys, nerves and feet belong checked regularly, because they only hurt once something has already happened.

Levers & pathways

associatedWhen the stomach becomes too slow

A sugar raised over years also damages the nerves that steer the stomach. Fullness, nausea, swinging sugar values after eating and vomiting of old food belong to this picture — it can be treated and is often not named.

studiedCut sugar & fast carbs

Less sugar, white flour and sugary drinks lowers spikes and, over time, HbA1c most directly.

studiedPost-meal walk

Even 10–15 min of walking after a meal markedly lowers the spike — muscle pulls glucose from the blood.

studiedLose weight

Less (especially visceral) fat strongly improves insulin sensitivity — often the single most effective lever.

studiedBuild muscle, not just endurance

Muscles take up sugar even without insulin and are the body’s largest store. Strength work twice a week has a measurable effect on HbA1c.

associatedThe order on the plate

Eating vegetables and protein before the starch blunts the peak that follows. A small move that costs nothing and forbids nothing.

studiedTake the early stage seriously

At the prediabetes stage the leverage is greatest and reversal most likely. Later every step costs more.

studiedEyes, kidneys, feet in the calendar

These three only speak up once something has happened. One fixed appointment a year beats any good intention.

associatedSleep belongs to blood sugar

Short nights worsen insulin action within a few days. Looking only at food misses this part.

infoCheck the kidneys too

The commonest cause of chronic kidney disease. Once a year the urine protein belongs measured, not only the creatinine.

studiedWhat the medicine does — and what it does not

Metformin slows the liver’s sugar output and makes cells more responsive to insulin. SGLT2 inhibitors send sugar out in the urine, GLP-1 agents slow stomach emptying and damp appetite. All lower blood sugar; insulin resistance itself shifts mainly through muscle work and weight.

studiedNumbers and timeframes

On average it has been there four to seven years before it is found — which is why some people already have eye or nerve changes at diagnosis. HbA1c reflects the last eight to twelve weeks; a change therefore shows in the value after three months at the earliest.

Possible complaints

studiedNothing at all for years

The early stage and early type 2 do not hurt. The diagnosis is therefore often made in passing during another check — and that is why asking pays.

studiedGreat thirst and frequent urination

Only with clearly raised sugar: the body clears it through the kidneys and takes water with it. Getting up at night belongs to it.

studiedWounds that heal badly

Especially on the feet. Together with reduced feeling in the toes this is a sign not to wait on — feet belong in the regular check.

studiedTingling or numbness in the feet

Starts symmetrically at the toes and creeps upward, often worse at night. A sign that sugar has been raised for a while.

associatedDark, velvety skin in the folds

On the neck, in the armpits, in the groin. It looks like dirt, does not wash off, and is one of the few visible signs of insulin resistance.

studiedWeight carried at the middle

Fat around the organs acts on sugar metabolism more strongly than fat under the skin. Waist measurement therefore often says more than the scales.

studiedFull after a few bites

After long-standing diabetes the stomach can slow because the nerves steering it suffer. Food lingers — and blood sugar rises later than expected.

Blood values

studiedHbA1c

Long-term blood sugar over ~3 months.

studiedFasting glucose

Raised with impaired regulation.

associatedHOMA-IR (insulin)

Estimates insulin resistance early.

associatedTriglycerides

High + low HDL: metabolic pattern.

Nutrients

associatedMagnesium

Low levels link to insulin resistance.

studiedFibre

Blunt the post-meal sugar spike.

associatedVitamin D

Deficiency common — causal effect uncertain.

Supplements

associatedMagnesium

Consider if low/insulin-resistant.

infoVitamin D3 (+K2)

Clearly worthwhile and well studied when deficient; fewer data for the wider uses. Fat-soluble — check blood levels at high doses.

Hormones

studiedInsulin

Central axis of sugar metabolism.

Food

studiedLow glycaemic load, high-fibre

Check foods’ sugar/fibre content.

Alternative approaches — what people use

studiedMovement & exercise

Muscle work takes sugar out of the blood without insulin — the most direct lever there is.

studiedIntermittent fasting

Studied as one of several forms of calorie reduction; what matters is what is kept up.

traditionalTurmeric (curcumin)

Much taken for insulin resistance; the studies are small.

studiedMagnesium

A deficiency is more common in diabetes; it is measured and then corrected.

Wild herbs — what is traditionally used

no studiesDandelion

A bitter plant, traditionally drunk before eating. In humans no effect on blood sugar is shown — what works is the fibre in the food itself.

infoBilberry

The dried berries are an old remedy for diarrhoea, the leaves were once used against sugar. The leaves are advised against today — over longer periods they count as harmful to the liver.

Essential oils — use and limits

infoTrue lavender

No oil lowers blood sugar. What counts here is a different point: with nerve damage the feet lack pain sensation — foot baths therefore belong checked with a thermometer, not with the hand.

TCM — how it is seen there

traditionalThe five flavours (Wu Wei)

Sweet in TCM is not sugar but a direction of effect — rice and pumpkin count as sweet. That is the point where the old classification and today’s nutrition science are furthest apart.

traditionalTCM nutrition

Warm, cooked, regular — the recommendations partly overlap with what holds anyway. The classification itself does not act on blood sugar; the amount of carbohydrate does.

Frequencies — what is on file

traditionalType 2 diabetes

Listed values: 285 · 432 · 528 Hz