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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

To think too few people understand the role of insulin with regards to weight loss?

366 replies

Redterror · 15/10/2022 09:24

So I am an advocate of low carb but I know plenty of people who have used slimming world, or weight watchers or any other diet to lose weight. I have seen though people being really negative regards low carb diets and I don't get it.

When you understand how your body deals with different nutrients it because clear that all diets need to lower insulin. How you do this is up to you but ultimately all weight loss diets do it.

When insulin is elevated then you can't burn much fat and instead rely on mostly burning sugar from your diet. If you want to burn mostly fat from your fat cells your insulin needs to be lowered.

People say eat less move more without understanding that for someone who is insulin resistant this is really hard. The body cells stop responding to insulin so stop taking up sugar from the blood. This effectively means the cells feel like they are 'starving' as they can't get enough sugar and this drives hunger signals. It also makes the person feel lethargic and lacking in energy, so exercise is harder.

You can reduce insulin levels by fasting, reducing carbs in the diet, reducing consumption of refined carbohydrates, cutting calories etc but the key is your insulin.

OP posts:
Againstmachine · 15/10/2022 10:51

*I agree - very preachy.

It can put people off*

I've found a lot of Keto people are like that, where low carb is almost a religion to them.

For most people it's calories in vs calories out.

MrsTuxedo · 15/10/2022 10:51

@Redterror you are ill informed if you base your beliefs on Fung who is on the Nutrition Quack list.
Insulin levels are not linked to weight gain or loss. You can have high insulin and lose weight.
Fung is active on Youtube, other university professors are active at Stanford, Duke, ... and say the opposite because they have done controlled trials and test after test, theory of insulin disproven.

Whynobreadpudding · 15/10/2022 10:53

Eating white bread that’s been frozen and then toasted reduces the carbs by about 30 %, and eating leftover pasta the next day at least 24 hours, reduces carbs, it changes the composition, but still tastes great.

PBSam · 15/10/2022 10:59

Whynobreadpudding · 15/10/2022 10:53

Eating white bread that’s been frozen and then toasted reduces the carbs by about 30 %, and eating leftover pasta the next day at least 24 hours, reduces carbs, it changes the composition, but still tastes great.

Wrong. It effects the GI but the total carb count isn't altered.

MrsPelligrinoPetrichor · 15/10/2022 11:00

PBSam · 15/10/2022 10:06

I was 18 stone, I'm now 11. I didn't cut out carbs I just put the fork down when I was full and stopped snacking through boredom.

I'm doing really well at the moment with eating sensibly but with no snacking at all and concentrating on nutritious meals. Once I ditched sugar I stayed fuller for longer so it was easy, sugar makes me hungry.

Monsterpage · 15/10/2022 11:04

Galaktoboureko · 15/10/2022 10:46

I have a theory (not scientific in any way) I think age and previous eating and dieting history plays a part.

It does. Muscle memory is a real thing. I remember a study where they matched up men by vital statistics but half had trained in weightlifting five years previous. The latter group gained muscle something like 30% quicker. You can also create permanent genetic changes to your body by lifting weights (and also by taking steroids).

Existing but shrunken fat cells also blow up again quicker than cells which need to be created from scratch. I think they said it was seven years that fat cells last (was a long time either way) so logically a formerly fat person will put on the weight quicker if they have existing fat cells vs somebody who never had them and whose body must create them.

A fat cell can go from microscopic to about the size of a full stop.

Wow how interesting! Gives me hope that if I keep this up over time those fat cells may die off or at least recreate in smaller numbers!

Mercurial123 · 15/10/2022 11:12

Againstmachine · 15/10/2022 10:51

*I agree - very preachy.

It can put people off*

I've found a lot of Keto people are like that, where low carb is almost a religion to them.

For most people it's calories in vs calories out.

Exactly so many here jump on the low carb band wagon

ReeseWitherfork · 15/10/2022 11:18

You sparked my curiosity OP. Found this online, makes for an interesting read (basically says a lot of it isn’t backed up by science, even if it can be effective):

biolayne.com/articles/research/its-not-calories-its-hormones-a-response-to-dr-jason-fung/

Redterror · 15/10/2022 11:19

AntlerRose · 15/10/2022 10:33

But why do i feel starving if i only eat donuts even though its the same calories?

Are you very overweight and possibly insulin resistant? If you are then your cells may be struggling to remove sugar from the blood. In this situation your cells will signal they need more energy triggering hunger.

OP posts:
MrsTuxedo · 15/10/2022 11:26

LOL as if the role of cells was to remove sugar from blood.

HumourReplacementTherapy · 15/10/2022 11:29

It's not your insulin you're trying to lower!
It's your blood glucose. You can't 'lower your insulin' as you have stated in your op.
Insulin is used to lower BG.
Insulin is a hormone.
You are spreading a lot of misinformation

Redterror · 15/10/2022 11:30

ReeseWitherfork · 15/10/2022 11:18

You sparked my curiosity OP. Found this online, makes for an interesting read (basically says a lot of it isn’t backed up by science, even if it can be effective):

biolayne.com/articles/research/its-not-calories-its-hormones-a-response-to-dr-jason-fung/

Are you debating diets? Or the role of insulin?

OP posts:
Simonjt · 15/10/2022 11:30

Whynobreadpudding · 15/10/2022 10:53

Eating white bread that’s been frozen and then toasted reduces the carbs by about 30 %, and eating leftover pasta the next day at least 24 hours, reduces carbs, it changes the composition, but still tastes great.

As a type 1 diabetic I can confirm that this is not true.

HumourReplacementTherapy · 15/10/2022 11:31

How many people on the thread now asking 'how can I lower my insulin?' 🤦🏻‍♀️

Redterror · 15/10/2022 11:33

MrsTuxedo · 15/10/2022 11:26

LOL as if the role of cells was to remove sugar from blood.

What do you think happens to the food you eat?

OP posts:
HumourReplacementTherapy · 15/10/2022 11:34

@Simonjt
Frightening isn't it?
I can confirm (also T1D) that bread fresh or frozen still needs the same amount of insulin.

LCopp89 · 15/10/2022 11:34

I did Slimming World and found it really good for steady weight loss that I kept off for years. Whilst I was doing it and after I stopped going to the groups, I also trained for half marathons, triathlons and all sorts, as I had so much energy which I didn't get from any other diets.

It didn't feel very restricted and I was (and still am) eating loads of carbs - big plates of pasta, rice, couscous, fruit etc. I did consciously make the choice of not touching bread and ate things like Weetabix/Ryvita instead, as you get one 'fiber' choice.

I think it works as although you are eating carbs, you really have to make most meals from scratch to stand a chance of keeping within your syns for the day - which means no added or artificial sugars or fats.

I think convenience food is the biggest contributor to how unhealthy society is right now, rather than simply blaming carbs or fats. The best diets incorporate all types of food, in moderation - and homemade/fresh is always best.

And for me, SW is one of the easiest diets to keep up forever - even if you're only following 80/90% of the time, you will keep the weight off.

MrsTuxedo · 15/10/2022 11:36

Are you really asking me to explain microcellular biology?

Confrontayshunme · 15/10/2022 11:38

NumptiesIncorporated · 15/10/2022 10:08

I was told by my doctor, who used to specialist in diabetes, that fat is a bigger issue than carbs when it comes to insulin resistance.

Too much fat in the system blocks the insulin from working properly. Carbs are only an issue because of the amount of fat stopping the insulin from doing it's job.

It's hard to know what to believe when there are so many people saying different things

I agree with this. I have been on a high carb low fat diet for a couple of years and I am never hungry and have easily kept off my initial weight loss with no issues and lots of energies. I only eat whole un processed starches so no issues either with my blood sugar.

NoDairyNoProblem · 15/10/2022 11:40

Simonjt · 15/10/2022 11:30

As a type 1 diabetic I can confirm that this is not true.

This kind of misinformation is both frightening and dangerous in equal measure.

KarenPirie72 · 15/10/2022 11:41

HumourReplacementTherapy · 15/10/2022 11:29

It's not your insulin you're trying to lower!
It's your blood glucose. You can't 'lower your insulin' as you have stated in your op.
Insulin is used to lower BG.
Insulin is a hormone.
You are spreading a lot of misinformation

This is what I was coming on to say! It's your blood glucose that spikes and your pancreas produces insulin to convert it into energy. OP doesn't understand the basics.

AllThatFancyPaintsAsFair · 15/10/2022 11:42

Wasnt this in the news a couple of days ago, i'm sure I read about the success of an NHS app aimed at diabetics in also reducing weight

Is that something similar?

KarenPirie72 · 15/10/2022 11:44

Redterror · 15/10/2022 11:33

What do you think happens to the food you eat?

Your cells don't remove glucose from your blood, insulin does, which is a hormone produced by the pancreas. Please stop posting OP, you're getting it so wrong.

lljkk · 15/10/2022 11:46

"all diets need to lower insulin. How you do this is up to you but ultimately all weight loss diets do it."

I am just wondering about the black-n-white nature of that claim. Is there ... literally no example ever where people lost weight on a diet but had no change in their insulin levels? This seems like an example where there was lots of weight loss by people who maintained higher blood glucose & insulin levels.

Redterror · 15/10/2022 11:49

KarenPirie72 · 15/10/2022 11:44

Your cells don't remove glucose from your blood, insulin does, which is a hormone produced by the pancreas. Please stop posting OP, you're getting it so wrong.

What do you think happens to it? Insulin is a hormone that facilitates the entry of sugar into body cells.

www.bbc.co.uk/bitesize/guides/zt49gdm/revision/2

OP posts: