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  #1   ^
Old Sun, Aug-11-19, 01:45
Demi's Avatar
Demi Demi is offline
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Default Reduced carbohydrate improves type 2 diabetics' ability to regulate blood sugar

From Science Daily
August 10, 2019

Reduced carbohydrate intake improves type 2 diabetics' ability to regulate blood sugar

Patients with type 2 diabetes improve their ability to regulate blood sugar levels if they eat food with a reduced carbohydrate content and an increased share of protein and fat. This is shown by a recent study conducted at Bispebjerg Hospital in collaboration with, among other partners, Aarhus University and the Department of Nutrition, Exercise and Sports at the University of Copenhagen. The findings are contrary to the conventional dietary recommendations for type 2 diabetics.

Nutritional therapy is important to treat the type 2 diabetes optimally, but the recommendations are unclear. According to the Danish Health Authority, up to 85% of newly diagnosed patients with type 2 diabetes are overweight, and they are typically advised to follow a diet focused on weight loss: containing less calories than they burn, low fat content and a high content of carbohydrates with a low 'glycaemic index' (which indicates how quickly a food affects blood sugar levels).

Reduced carbohydrate content -- increase in protein and fat

A central aspect in the treatment of type 2 diabetes is the patient's ability to regulate their blood sugar levels, and new research now indicates that a diet with a reduced carbohydrate content and an increased share of protein and fat improves the patient's ability to regulate his or her blood sugar levels compared with the conventional dietary recommendations. In addition, it reduces liver fat content and also has a beneficial effect on fat metabolism in type 2 diabetics.

"The purpose of our study was to investigate the effects of the diet without 'interference' from a weight loss. For that reason, the patients were asked to maintain their weight. Our study confirms the assumption that a diet with a reduced carbohydrate content can improve patients' ability to regulate their blood sugar levels -- without the patients concurrently losing weight," explains Senior Consultant, DMSc Thure Krarup, MD, from the Department of Endocrinology at Bispebjerg Hospital. He continues: "Our findings are important, because we've removed weight loss from the equation. Previous studies have provided contradictory conclusions, and weight loss has complicated interpretations in a number of these studies."

New dietary recommendations for type 2 diabetics in future

Based on the growing body of evidence, we might rethink the dietary recommendations for patients with type 2 diabetes, stresses Thure Krarup:

"The study shows that by reducing the share of carbohydrates in the diet and increasing the share of protein and fat, you can both treat high blood sugar and reduce liver fat content. Further intensive research is needed in order to optimise our dietary recommendations for patients with type 2 diabetes," says Thure Krarup, stressing that the findings should be confirmed in large-scale, long-term controlled trials.

Summary: What did the study show?
[list]A diet with a reduced carbohydrate content, high protein content and moderately increased fat content improves glycaemic control (the ability to regulate blood sugar) by reducing blood sugar after meals and 'long-term blood sugar' (measured by 'HbA1c', which is a blood test used to measure the average blood sugar level over approximately the past two months).
[*]A diet with a reduced carbohydrate content, a high protein content and a moderately increased fat content reduces liver fat content.
[*]A diet with a reduced carbohydrate content may be beneficial to patients with type 2 diabetes -- even if it does not lead to weight loss.[/ist]

About the study

The study forms part of CutDM, which -- supported by a grant of DKK 4 million from Arla Food for Health -- examines whether a diet with reduced carbohydrate content and increased protein and fat content improves type 2 patients' blood sugar regulation.

28 patients with type 2 diabetes participated in the study over a total period of 12 weeks. For six weeks, the patients were given a conventional diabetes diet with a high carbohydrate content, and, for the other six weeks, they were given a diet with a reduced carbohydrate content, high protein content and moderately increased fat content. The patients were given the diet types in random order.

Journal Reference:
Mads J. Skytte, Amirsalar Samkani, Amy D. Petersen, Mads N. Thomsen, Arne Astrup, Elizaveta Chabanova, Jan Frystyk, Jens J. Holst, Henrik S. Thomsen, Sten Madsbad, Thomas M. Larsen, Steen B. Haugaard, Thure Krarup. A carbohydrate-reduced high-protein diet improves HbA1c and liver fat content in weight stable participants with type 2 diabetes: a randomised controlled trial. Diabetologia, 2019; DOI: 10.1007/s00125-019-4956-4
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  #2   ^
Old Sun, Aug-11-19, 05:38
Calianna's Avatar
Calianna Calianna is offline
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Plan: Atkins-ish (hypoglycemia)
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This astounds me that they had to do new research to make this momentous discovery.

Do they even know anything at all about the history of diabetes treatment? That until the development of injectible insulin, the ONLY way to treat it was by reducing dietary carbohydrates? Sounds like they're completely ignoring that detail, and the fact that when it was the only way to treat it, that's what was done.

Besides, even if they now acknowledge that losing weight isn't absolutely necesary, if all the patient does is to cut carbs while increasing protein and fats, chances are still pretty good they'll lose some weight along the way.

Of course that depends on just how much they're cutting carbs in their "reduced carbohydrate" diet though. If it's cut from hundreds of carbs/day to "only 120 carbs/day", that's not going to help all that much. Cut way down, most likely to less than 50/day, they'll see some real progress.
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  #3   ^
Old Sun, Aug-11-19, 06:18
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bevangel bevangel is offline
Posts: 2,288
Plan: modified adkins (sort of)
Stats: 265/176/167 Female 68.5 inches
Progress: 91%
Location: Austin, TX

This astounds me that they had to do new research to make this momentous discovery.

Yeah... except that high quality controlled EXPERIMENTS (such as this cross-over experiment) are vital if we're ever going to settle the diet wars.

Unfortunately, the low-carb nay-sayers out there will pooh-pooh this study because it was sponsored by Arla Food For Health which is associated with the dairy industry. (Arla's web site says "Arla Food for Health sponsors science-based research on identification, isolation and characterization of health associated milk components, including validation, quality and up-scaling of such as well as the mechanisms behind the health benefits of dairy products and ingredients in-vitro, in-vivo and in clinical studies." After all, you can't believe anything those people who want to keep raising COWS and using their products - instead of becoming good little vegans - have to say!

By the way, DKK 4 million is about $600,000 in U.S. dollars. If the researchers spent the entire grant on this one experiment, that works out to spending about $1800 per subject per week to put those 28 subjects on the two cross-over diets, monitor them for 12 weeks, and write up the results. Ya gotta wonder where all the money went.
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  #4   ^
Old Sun, Aug-11-19, 08:22
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Ms Arielle Ms Arielle is online now
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Plan: atkins
Stats: 255/234/200 Female 5'8"
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Here in the US, along time friend was recentlty diagnosed withT2D and her diet change included limiting carbs to 45 per day. Unfortunately "they" didnt teach her how to evaluate all food for carb counts. When we talked she was still eating far more than the 45, but far less than she used to. BG still out of control, but with a little education she could beat this.

Last edited by Ms Arielle : Sun, Aug-11-19 at 08:35.
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  #5   ^
Old Mon, Aug-12-19, 09:31
teaser's Avatar
teaser teaser is offline
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Plan: mostly milkfat
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The CRHP/CD diets contained carbohydrate 30/50 energy per cent (E%), protein 30/17E% and fat 40/33E%,

So... a 2000 calorie diet would have given 150 grams of carbohydrate. Pretty much Zone ratios, more than Atkins. Except that when I followed the Zone to the book it put me under 1500 calories a day, pretty severe calorie restriction if you consider that I lose weight at 2000 calories a day on my current keto diet (which is one reason that I make sure to eat well above that).

A moderate intervention, giving moderate benefits. Only a six week intervention--would they continue to improve, or are the improvements all tapped out?

Since the article on science daily wasn't specific about just how low carbs should be cut, maybe people will misread this and go all the way to Atkins. One could hope.
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